Cell Interaction | Ch6 – Complete Test Bank – 15th Ed - Human Physiology 15e | Test Bank with Answer Key by Stuart Fox by Stuart Fox, Krista Rompolski. DOCX document preview.
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Human Physiology, 15e (Fox)
Chapter 6 Interactions Between Cells and the Extracellular Environment
1) Eighty percent of the extracellular fluid is termed as interstitial fluid.
Section: 06.01
Topic: Intracellular organization; Introduction to body fluids and fluid compartments
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
2) Interstitial fluid is made from blood plasma and returns to blood plasma.
Section: 06.01
Topic: Intracellular organization; Introduction to body fluids and fluid compartments; Composition of blood plasma
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
3) How much of the total body water content is in the intracellular compartment?
A) 50%
B) 67%
C) 33%
D) 80%
Section: 06.01
Topic: Intracellular organization; Introduction to body fluids and fluid compartments
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
4) The majority of water within the body is found in the ________.
A) intracellular compartment
B) extracellular compartment
C) blood plasma
D) interstitial fluid
Section: 06.01
Topic: Intracellular organization; Introduction to body fluids and fluid compartments
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
5) How much of the extracellular fluid comes from blood plasma?
A) 33%
B) 92%
C) 20%
D) 50%
Section: 06.01
Topic: Introduction to body fluids and fluid compartments; Composition of blood plasma
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
6) What cofactor do matrix metalloproteinases need to be functional?
A) Calcium
B) Copper
C) Chromium
D) Zinc
Section: 06.01
Topic: Microscopic anatomy, location, and function of connective tissue
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
7) The class of glycoproteins which bind to components in the extracellular matrix, thereby acting as adhesion molecules between cells and the matrix are called ________.
A) glycocalyces
B) aquaporins
C) desmosomes
D) integrins
Section: 06.01
Topic: Membrane structure and function
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
8) Matrix metalloproteinases ________.
A) produce the basal lamina
B) synthesize collagen in the extracellular matrix
C) may be active in invasive cancer cells
D) synthesize proteoglycans in the extracellular matrix
Section: 06.01
Topic: Clinical applications of homeostatic mechanisms of the cell; Microscopic anatomy, location, and function of connective tissue
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: Q02.01 Describe the fluid compartments (including the subdivisions of the extracellular fluid) and state the relative volumes of each.
9) Proteins that extend from the cytoskeleton within the cell, through the plasma membrane, and into the extracellular matrix are ________.
A) lysosomal proteins
B) transport proteins
C) receptor proteins
D) integrin proteins
Section: 06.01
Topic: Membrane structure and function
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.
10) Which of the following is NOT a function of integrins?
A) Glue components of the matrix
B) Communicate between the intracellular and extracellular compartments
C) Allow diffusion to occur through the plasma membrane
D) Establish cell polarity
Section: 06.01
Topic: Membrane structure and function
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.
11) What structures affect cell motility, adhesion, and proliferation?
A) Basal lamina
B) Integrins
C) Collagen IV
D) Proteoglycans
Section: 06.01
Topic: Membrane structure and function
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.
12) Osmosis and simple diffusion do NOT require the actions of carrier proteins.
Section: 06.01
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
13) Active transport proceeds when energy is expended.
Section: 06.01
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01c Discuss the energy requirements and, if applicable, the sources of energy for each process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
14) A membrane that allows only certain molecules to pass through it is called ________.
A) selectively permeable
B) permeable
C) porous
D) countertransport
Section: 06.01
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
15) Which of the following types of transport does not require membrane proteins?
A) Facilitated diffusion
B) Bulk
C) Simple diffusion
D) Active
Section: 06.01
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
16) Passive transport of water is known as ________.
A) filtration
B) osmosis
C) facilitated diffusion
D) a water pump
Section: 06.01
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
17) Active transport ________.
A) utilizes energy
B) cannot transport molecules against a concentration gradient
C) cannot be saturated
D) requires cofactors
Section: 06.01
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01c Discuss the energy requirements and, if applicable, the sources of energy for each process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
18) Simple diffusion is the net diffusion of a solvent.
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
19) Diffusion ________ the entropy of a solution.
A) decreases
B) increases
C) does not change
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
20) Why are cells in body organs generally within 100 μm of a blood capillary?
A) To decrease mean diffusion time
B) To increase mean diffusion time
C) So that larger particles can diffuse more easily
D) A larger distance maximizes entropy
Section: 06.02
Topic: Mechanisms for movement across cell membranes; Capillary exchange
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
21) A solution consists of a ________ which dissolves the ________.
A) solvent, solute
B) solvent, solid
C) solute, solvent
D) liquid, solid
Section: 06.02
Topic: Inorganic compounds and solutions
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
22) Dialysis uses the process of ________.
A) facilitated diffusion
B) primary active transport
C) simple diffusion
D) secondary active transport
Section: 06.02
Topic: Mechanisms for movement across cell membranes; Functional process of urine formation, including filtration, reabsorption, and secretion
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
23) Gas exchange between the cells and extracellular fluid utilizes active transport.
Section: 06.02
Topic: Mechanisms for movement across cell membranes; Mechanisms of gas exchange in the lungs and tissues
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.; K14.07a Explain the role of diffusion in capillary exchange of gases, nutrients and wastes.
24) Hydrophobic molecules usually enter a cell via ________.
A) osmosis
B) active transport
C) diffusion
D) protein channels
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
25) Individuals suffering from cystic fibrosis have defective ________ ion channels.
A) sodium
B) potassium
C) calcium
D) chloride
Section: 06.02
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C15.02 Predict the types of problems that would occur if the cells could not maintain homeostasis due to abnormalities in organelle function, transport processes, protein synthesis, or the cell cycle.
26) Channels present in the membranes of some cells that allow rapid movement of water are called ________.
A) water tubes
B) aqueducts
C) aquaporins
D) streams
Section: 06.02
Topic: Mechanisms for movement across cell membranes; Membrane structure and function
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
27) Which of the following is able to passively penetrate the plasma membrane (without a transport protein)?
A) O2
B) Small charged particles
C) Large polar molecules
D) All of the choices are correct.
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
28) Ion channels that can be opened by physiological stimuli are said to be ________.
A) polar
B) aquaporins
C) hypertonic
D) gated
Section: 06.02
Topic: Mechanisms for movement across cell membranes; Membrane structure and function
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
29) How do small molecules like Na+ of K+ pass through the plasma membrane?
A) Gated channels
B) Ion channels
C) Carrier proteins
D) Simple diffusion
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
30) The rate of diffusion increases as the concentration gradient increases.
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
31) Diffusion is more rapid in cells with microvilli compared to cells lacking microvilli.
Section: 06.02
Topic: Mechanisms for movement across cell membranes; Membrane structure and function
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
32) The rate of diffusion is influenced by ________.
A) the concentration gradient
B) membrane permeability
C) membrane surface area
D) All of the choices are correct.
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
33) Solutes that cannot freely pass through a membrane are said to be ________.
A) hypertonic
B) osmotically inactive
C) osmotically active
D) selectively permeable
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
34) Which of the following cells do NOT normally have many aquaporins in their plasma membranes?
A) Kidneys
B) Lungs
C) Salivary glands
D) Skin
Section: 06.02
Topic: Membrane structure and function; Microscopic anatomy of the skin
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
35) Because the kidneys are so important for water balance, the plasma membranes of kidney cells have many permanent aquaporins.
Section: 06.02
Topic: Mechanisms for movement across cell membranes; Membrane structure and function
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.; C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
36) The osmotic pressure exerted by a cell would decrease if the cell synthesized more proteins.
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
37) Edema will result if a person has an abnormally low concentration of plasma proteins.
Section: 06.02
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes; Composition of blood plasma
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
38) The osmotic pressure of a solution is directly related to its ________ concentration.
A) water
B) solute
C) solvent
D) matrix
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
39) Osmotic pressure is a measure of the force needed to ________.
A) open aquaporins
B) cause osmosis
C) stop osmosis
D) stop edema
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
40) A one molar solution would contain 6.02 × 1023 molecules of solute.
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
41) A 0.5M glucose (molecular weight = 180 g) contains ________ grams of glucose per liter.
A) 90
B) 180
C) 6.02 × 1023
D) 360
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes; Organic compounds
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
42) A six molar sucrose (molecular weight = 342 g) solution would contain ________.
A) 57 g sucrose per liter
B) 342 g sucrose per liter
C) 1026 g sucrose per liter
D) 2052 g sucrose per liter
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
43) How many grams of sucrose (molecular weight = 342 g) would need to be added to 1 L of water to produce a 2.5 Osm solution?
A) 342
B) 500
C) 855
D) 2.5
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
44) One mole of solute per liter depresses the freezing point of water by −1.86°C.
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
45) Plasma freezes at ________.
A) −1.86°C
B) −1.00°C
C) −0.56°C
D) 0.00°C
Section: 06.02
Topic: Inorganic compounds and solutions; Composition of blood plasma
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
46) Freezing-point depression is a measure of osmolality.
Section: 06.02
Topic: Inorganic compounds and solutions
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
47) A solution with an osmolality four times greater than plasma would freeze at ________.
A) −0.56°C
B) −1.12°C
C) −1.68°C
D) −2.24°C
Section: 06.02
Topic: Inorganic compounds and solutions
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.01 Explain the role of electrolytes and non-electrolytes in the determination of osmotic pressure.
48) A 10% dextrose solution is isotonic to plasma.
Section: 06.02
Topic: Inorganic compounds and solutions; Composition of blood plasma
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.02 Describe the effects of hypertonic, isotonic, and hypotonic conditions on cells.
49) A cell placed in a 9% saline solution (molecular weight = 58.5 g) would ________.
A) lyse
B) crenate
C) not change
D) swell
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.02 Describe the effects of hypertonic, isotonic, and hypotonic conditions on cells.
50) The amount of water in a cell placed in a 0.8 Osm solution would ________.
A) decrease
B) increase
C) remain constant
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.02 Describe the effects of hypertonic, isotonic, and hypotonic conditions on cells.
51) Cells placed in hypotonic solutions will ________.
A) decrease in volume
B) increase intracellular solute concentration
C) increase in volume
D) lose water to the solution
Section: 06.02
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.02 Describe the effects of hypertonic, isotonic, and hypotonic conditions on cells.
52) What type of intravenous fluid would be given to reduce edema?
A) Hypertonic
B) Isotonic
C) Hypotonic
Section: 06.02
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.02 Describe the effects of hypertonic, isotonic, and hypotonic conditions on cells.
53) Cerebral edema would be treated with a(n) ________ intravenous solution of mannitol.
A) hypertonic
B) hypotonic
C) isotonic
Section: 06.02
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.02 Describe the effects of hypertonic, isotonic, and hypotonic conditions on cells.
54) A solution freezing at −1.98°C is ________.
A) hypotonic to plasma
B) isotonic to plasma
C) hypertonic to plasma
D) not related to plasma
Section: 06.02
Topic: Inorganic compounds and solutions; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.02 Describe the effects of hypertonic, isotonic, and hypotonic conditions on cells.
55) Osmoreceptors are involved in the regulation of blood volume.
Section: 06.02
Topic: Regulation of water balance
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q07.01 Provide specific examples to demonstrate how the cardiovascular, endocrine, and urinary systems respond to maintain homeostasis of fluid volume in the body.
56) Antidiuretic hormone is released by the posterior pituitary in response to increased plasma osmolality.
Section: 06.02
Topic: Regulation of water balance; Examples of homeostatic mechanisms; Hormonal regulation
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q07.01 Provide specific examples to demonstrate how the cardiovascular, endocrine, and urinary systems respond to maintain homeostasis of fluid volume in the body.
57) A 0.1 Osm plasma sample would ________.
A) stimulate the action of osmoreceptors
B) be hypertonic to the cells
C) stimulate an increase in blood volume
D) inhibit the release of antidiuretic hormone
Section: 06.02
Topic: Regulation of water balance; Examples of homeostatic mechanisms; Hormonal regulation
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: Q07.01 Provide specific examples to demonstrate how the cardiovascular, endocrine, and urinary systems respond to maintain homeostasis of fluid volume in the body.
58) Which of the following is NOT true of a person who is dehydrated?
A) Plasma osmolality increases.
B) Hypothalamus stimulates release of ADH.
C) ADH causes the kidneys to excrete water.
D) Increased osmolality causes thirst.
Section: 06.02
Topic: Regulation of water balance; Hormonal regulation
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: Q07.01 Provide specific examples to demonstrate how the cardiovascular, endocrine, and urinary systems respond to maintain homeostasis of fluid volume in the body.
59) Glycosuria would occur if the ________ of the renal glucose transport protein is exceeded.
A) transport minimum
B) transport maximum
C) saturation level
D) transport maximum or saturation level
Section: 06.03
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes; Regulation of urine volume and composition
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: Q07.01 Provide specific examples to demonstrate how the cardiovascular, endocrine, and urinary systems respond to maintain homeostasis of fluid volume in the body.
60) Protein carrier-mediated transport of molecules display ________.
A) specificity
B) competition
C) saturation
D) All of the choices are correct.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.
61) The transport maximum is related to the property known as ________.
A) competition
B) saturation
C) specificity
D) inhibition
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
62) Glucose enters the cell by the process of facilitated diffusion.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
63) Facilitated diffusion is unable to transport molecules against a concentration gradient.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
64) The glucose carrier of skeletal muscle is designated as ________.
A) GLUT2
B) GLUT3
C) GLUT4
D) GLUT5
Section: 06.03
Topic: Mechanisms for movement across cell membranes; Microscopic anatomy of skeletal muscle
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
65) Facilitated diffusion of a molecule into a cell would be more rapid if the ________.
A) concentration of the molecule in the cell increased
B) concentration of water in the cell decreased
C) concentration of the molecule outside the cell increased
D) cell was isotonic
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
66) Glucose transported via the GLUT carrier is characterized as ________.
A) active transport
B) passive transport
C) co-transport
D) receptor-mediated endocytosis
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01c Discuss the energy requirements and, if applicable, the sources of energy for each process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
67) Where are GLUT carriers located in an unstimulated muscle fiber?
A) In the plasma membrane facing the external environment
B) In the plasma membrane facing the internal environment
C) Within cytoplasmic vesicles
D) There are no GLUT carriers present.
Section: 06.03
Topic: Mechanisms for movement across cell membranes; Skeletal muscle metabolism
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
68) Active transport proteins are often regulated by the availability of ATP.
Section: 06.03
Topic: Cellular respiration; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01c Discuss the energy requirements and, if applicable, the sources of energy for each process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
69) Which of the following is NOT a primary active transport pump?
A) GLUT4
B) Calcium pump
C) Sodium/potassium pump
D) Proton pump
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
70) Active transport carriers are also called ________.
A) vesicles
B) channels
C) pumps
D) receptors
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
71) Since the calcium pump is also an ATPase enzyme, it must utilize ATP to move calcium into the cell.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: H04.06a Differentiate between passive and active ion channels.
72) The ATPase enzyme ________.
A) adds a Pi to ADP
B) powers endocytosis
C) couples Na+ to glucose
D) hydrolyzes ATP into ADP and Pi
Section: 06.03
Topic: Energy transfer using ATP; Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C05.01 Describe the generalized reversible reaction for release of energy from ATP and explain the role of ATP in the cell.; C08.01c Discuss the energy requirements and, if applicable, the sources of energy for each process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
73) The Na+/K+ pump transports ________ into the cell and ________ out of the cell per cycle.
A) 3Na+; 2K+
B) 2Na+; 3K+
C) 3K+; 2Na+
D) 2K+; 3Na+
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: H04.08 Describe the role of the sodium-potassium exchange pump in maintaining the resting membrane potential and making continued action potentials possible.
74) Choose the correct description of the Na+/K+ pump.
A) It is an example of primary active transport.
B) It generates a positive membrane potential.
C) It actively transports 2 potassium ions out of the cell.
D) It actively transports 3 sodium ions into the cell.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: H04.08 Describe the role of the sodium-potassium exchange pump in maintaining the resting membrane potential and making continued action potentials possible.
75) Which of the following is a function of the steep Na+/K+ gradient across the cell membrane?
A) Provides energy for coupled transport
B) Creates electrochemical gradient
C) Maintains osmotic pressure
D) All of the choices are correct.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: H04.08 Describe the role of the sodium-potassium exchange pump in maintaining the resting membrane potential and making continued action potentials possible.; H04.05 Define electrochemical gradient.
76) In secondary active transport, if the other substance is moved in the same direction as Na+, it is called ________.
A) cotransport
B) symport
C) antiport
D) Cotransport and symport are both correct.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
77) Poisoning that disables the Na+/K+ pump would cause the volume of the cell to ________.
A) increase
B) decrease
C) remain the same
Section: 06.03
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: H04.08 Describe the role of the sodium-potassium exchange pump in maintaining the resting membrane potential and making continued action potentials possible.; H16.01 Predict factors or situations affecting the nervous system that could disrupt homeostasis.
78) In the Na+/K+ pump, three sodium ions from inside the cell must enter the carrier first.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: H04.08 Describe the role of the sodium-potassium exchange pump in maintaining the resting membrane potential and making continued action potentials possible.
79) The transport of molecules out of the urinary filtrate and into the blood is called ________.
A) absorption
B) reabsorption
C) countertransport
D) symport
Section: 06.03
Topic: Mechanisms for movement across cell membranes; Regulation of urine volume and composition
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01d Give examples of each membrane transport process in the human body -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
80) The transport of amino acids across epithelial membranes requires the ________.
A) Na+/K+ pump
B) Ca2+ pump
C) Na+/H+ pump
D) facilitated diffusion
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
81) Secondary active transport ________.
A) utilizes energy directly
B) often utilizes symport proteins
C) always uses the influx of sodium ions
D) is only important in the kidney
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
82) Poisoning that disables the Na+/K+ pump would ________.
A) generate a more negative membrane potential
B) increase cellular permeability to Na+
C) inhibit secondary active transport
D) increase cellular permeability to K+
Section: 06.03
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: H16.01 Predict factors or situations affecting the nervous system that could disrupt homeostasis.
83) What type of junctional complex will prohibit paracellular transport?
A) Tight junctions
B) Adherens junctions
C) Desmosomes
D) Gap junctions
Section: 06.03
Topic: Mechanisms for movement across cell membranes; Membrane structure and function
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.
84) Transport of materials through an epithelial cell is called ________.
A) paracellular transport
B) transcellular transport
C) bulk transport
D) exocytosis
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
85) Which of the following is true of oral rehydration therapy?
A) It is used to treat severe diarrhea.
B) The presence of glucose aids the intestinal absorption of Na+ and water.
C) It saves more than a million small children per year.
D) All of the choices are correct.
Section: 06.03
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: Q04.05 Explain how dehydration and overhydration develop and how fluids shift between the three major body compartments during each.
86) Inhibition of receptor-mediated endocytosis could ________.
A) induce hypercholesterolemia
B) induce diabetes mellitus
C) prevent diabetes mellitus
D) prevent hypercholesterolemia
Section: 06.03
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01d Give examples of each membrane transport process in the human body -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.; C15.02 Predict the types of problems that would occur if the cells could not maintain homeostasis due to abnormalities in organelle function, transport processes, protein synthesis, or the cell cycle.
87) Movement of large molecules into a cell is called ________.
A) endocytosis
B) exocytosis
C) bulk transport
D) Both endocytosis and bulk transport are correct.
Section: 06.03
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C08.01a State the type of material moving in each of the membrane transport process -- simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration.
88) If the Na+/K+ pump did not function, the ________ of the cell would become more ________.
A) interior; negative
B) interior; positive
C) exterior; positive
D) None the choices are correct.
Section: 06.04
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 4. Analyze
Accessibility: Keyboard Navigation
HAPS Outcome: H04.08 Describe the role of the sodium-potassium exchange pump in maintaining the resting membrane potential and making continued action potentials possible.
89) The primary intracellular cation is ________.
A) Ca2+
B) K+
C) Mg2+
D) Na+
Section: 06.04
Topic: Intracellular organization; Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: H04.03 Contrast the relative concentrations of sodium, potassium and chloride ions inside and outside of a cell.; Q03.02 Compare and contrast the relative concentrations of major electrolytes in intracellular and extracellular fluids.
90) The sodium equilibrium potential using an extracellular Na+ concentration of 145 mEq/L and an intracellular concentration of 14 mEq/L would be approximately ________.
A) −90 mV
B) +62 mV
C) −62 mV
D) +90 mV
Section: 06.04
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: H04.03 Contrast the relative concentrations of sodium, potassium and chloride ions inside and outside of a cell.
91) The resting membrane potential is closest to the equilibrium potential for ________.
A) sodium ions
B) chloride ions
C) calcium ions
D) potassium ions
Section: 06.04
Topic: Mechanisms for movement across cell membranes
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: H04.03 Contrast the relative concentrations of sodium, potassium and chloride ions inside and outside of a cell.; H04.06b Explain how passive ion channels cause development of the resting membrane potential in neurons.
92) If the intracellular concentration of Ca2+ was 10 mEq/L and the extracellular concentration was 150 mEq/L, the Ca2+ equilibrium potential would be ________.
A) −35.9 mV
B) −71.8 mV
C) +35.9 mV
D) +71.8 mV
Section: 06.04
Topic: Intracellular organization; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: H04.03 Contrast the relative concentrations of sodium, potassium and chloride ions inside and outside of a cell.
93) Hyperkalemia would ________ the resting membrane potential of the cell.
A) increase
B) decrease
C) have no effect on
D) reverse
Section: 06.04
Topic: Clinical applications of homeostatic mechanisms of the cell; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: H04.03 Contrast the relative concentrations of sodium, potassium and chloride ions inside and outside of a cell.
94) Most cells have a resting membrane potential between ________.
A) +60 mV and −90 mV
B) −60 mV and −90 mV
C) −65 mV and −85 mV
D) +65 mV and +90 mV
Section: 06.04
Topic: Mechanisms for movement across cell membranes; Membrane structure and function
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: H04.06b Explain how passive ion channels cause development of the resting membrane potential in neurons.
95) The Na+/K+ pump ________.
A) establishes equal concentrations of sodium and potassium ions across the membrane
B) contributes to the negative intracellular charge
C) is an example of secondary active transport
D) exchanges three potassium for every 2 sodium molecules. As it stands, that answer is also correct.
Section: 06.04
Topic: Intracellular organization; Mechanisms for movement across cell membranes
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: H04.08 Describe the role of the sodium-potassium exchange pump in maintaining the resting membrane potential and making continued action potentials possible.
96) Which of the following is NOT a general category of cell signaling molecules?
A) Endocrine signaling
B) Enzymatic signaling
C) Paracrine signaling
D) Synaptic signaling
Section: 06.05
Topic: Types of homeostatic mechanisms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.; J01.02 Compare and contrast how the nervous and endocrine systems control body function, with emphasis on the mechanisms by which the controlling signals are transferred through the body and the time course of the response(s) and action(s).
97) Regardless of solubility, a cell signaling molecule could not affect a target cell without ________.
A) being attached to another cell
B) a second messenger in the plasma membrane
C) specific receptor proteins within the cell or in the plasma membrane
D) All of the choices are correct.
Section: 06.05
Topic: Types of homeostatic mechanisms
Bloom's: 1. Remember; 4. Analyze
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.
98) What structures are used for direct cell to cell signaling?
A) Desmosomes
B) Tight junctions
C) Exocytosis vesicles
D) Gap junctions
Section: 06.05
Topic: Membrane structure and function; Types of homeostatic mechanisms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.
99) To exert effects on its target cell, ________ would require a second messenger.
A) epinephrine
B) acetylcholine
C) nitric oxide
D) epinephrine and acetylcholine
Section: 06.05
Topic: Types of homeostatic mechanisms
Bloom's: 1. Remember; 3. Apply
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.; J01.02 Compare and contrast how the nervous and endocrine systems control body function, with emphasis on the mechanisms by which the controlling signals are transferred through the body and the time course of the response(s) and action(s).
100) What determines how a regulatory molecule influences its target cell?
A) Polarity and solubility
B) Solubility and size
C) Size and polarity
D) Polarity, solubility, and size
Section: 06.05
Topic: Types of homeostatic mechanisms
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.; J01.02 Compare and contrast how the nervous and endocrine systems control body function, with emphasis on the mechanisms by which the controlling signals are transferred through the body and the time course of the response(s) and action(s).
101) Which of the following is NOT true of cyclic AMP?
A) It is found on the outside of a plasma membrane.
B) It is a second messenger for polar regulatory molecules.
C) It is made from ATP.
D) It activates enzymes inside a cell to produce the desired effect.
Section: 06.05
Topic: Types of homeostatic mechanisms
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.; J01.02 Compare and contrast how the nervous and endocrine systems control body function, with emphasis on the mechanisms by which the controlling signals are transferred through the body and the time course of the response(s) and action(s).
102) What molecules pass information from the polar regulatory molecule receptor to activate the enzymes that produce cAMP?
A) Paracrines
B) G-proteins
C) GTP
D) None of the choices are correct.
Section: 06.05
Topic: Types of homeostatic mechanisms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.
103) Which of the following is NOT a G-protein?
A) Alpha
B) Beta
C) Delta
D) Gamma
Section: 06.05
Topic: Intracellular organization; Types of homeostatic mechanisms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.
104) Where is the G-protein complex when a regulatory molecule is not bound to its receptor?
A) The alpha subunit is attached to the inner surface of the receptor.
B) The three subunits are together but not attached to the inner surface of the receptor.
C) The three subunits are together AND attached to the inner surface of the receptor.
D) The beta and gamma subunits are attached to the inner surface of the receptor.
Section: 06.05
Topic: Intracellular organization; Types of homeostatic mechanisms
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.
105) Where is the receptor for a nonpolar, lipid-soluble regulatory molecule?
A) Embedded in the outer surface of the plasma membrane
B) Embedded in the inner surface of the plasma membrane
C) In the cytoplasm or nucleus of the cell
D) All of the choices are correct.
Section: 06.05
Topic: Membrane structure and function; Types of homeostatic mechanisms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.
106) Ions like Ca2+ can be second messengers for cell signaling.
Section: 06.05
Topic: Intracellular organization; Types of homeostatic mechanisms
Bloom's: 1. Remember; 2. Understand
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.
107) What type of cell signaling occurs through the extracellular matrix to nearby target cells?
A) Endocrine signaling
B) Synaptic signaling
C) Gap junctions
D) Paracrine signaling
Section: 06.05
Topic: Types of homeostatic mechanisms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.; J01.02 Compare and contrast how the nervous and endocrine systems control body function, with emphasis on the mechanisms by which the controlling signals are transferred through the body and the time course of the response(s) and action(s).
108) What type of cell signaling uses neurotransmitters to innervate its target organ?
A) Synaptic signaling
B) Paracrine signaling
C) Endocrine signaling
D) Gap junctions
Section: 06.05
Topic: Mechanisms for movement across cell membranes; Types of homeostatic mechanisms
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
HAPS Outcome: C14.01 Provide specific examples to demonstrate how individual cells respond to their environment (e.g., in terms of organelle function, transport processes, protein synthesis, or regulation of cell cycle) in order to maintain homeostasis in the body.; J01.02 Compare and contrast how the nervous and endocrine systems control body function, with emphasis on the mechanisms by which the controlling signals are transferred through the body and the time course of the response(s) and action(s).; H05.05 Discuss the relationship between a neurotransmitter and its receptor.
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Human Physiology 15e | Test Bank with Answer Key by Stuart Fox
By Stuart Fox, Krista Rompolski