Test Bank Docx The Cardiovascular System nan Chapter 25 - Medical Assisting Procedures 6e | Test Bank by Kathryn Booth by Kathryn Booth. DOCX document preview.

Test Bank Docx The Cardiovascular System nan Chapter 25

Chapter 25

The Cardiovascular System

 


Multiple Choice Questions
 

1.

The purpose of the four valves of the heart is to ____.  
 

A. 

control the rate of blood flow

B. 

ensure one-way blood flow

C. 

keep the blood in the correct chamber

D. 

maintain blood pressure

E. 

generate rhythmic contractions

 

2.

Body cells surrounding capillaries usually have a ____.  
 

A. 

high oxygen concentration

B. 

low oxygen concentration

C. 

low carbon dioxide concentration

D. 

high nutrient concentration

E. 

low concentration of waste products

 

3.

Water is forced through capillary walls by ____.  
 

A. 

different concentrations of substances

B. 

low pressure of the blood

C. 

filtration

D. 

osmosis

E. 

diffusion

 

4.

In the clinical setting, blood pressure refers to _______.  
 

A. 

lymphatic pressure

B. 

arterial pressure

C. 

osmotic pressure

D. 

venous pressure

E. 

intracardiac pressure

 

5.

Blood pressure is greatest in the arteries ____.  
 

A. 

when the heart is between contraction and relaxation

B. 

when the atria contract

C. 

when the Purkinje fibers are stimulated

D. 

when the SA node fires

E. 

when the ventricles contract

 

6.

What causes a myocardial infarction?  
 

A. 

Damaged heart valves

B. 

Weakened heart muscle

C. 

Obstruction of blood flow to the heart muscle

D. 

A serious dysrhythmia

E. 

A defective SA node

 

7.

The ____ lies on top of the visceral pericardium.  
 

A. 

fibrous pericardium

B. 

parietal pericardium

C. 

myocardium

D. 

endocardium

E. 

epicardium

 

8.

Which of following is a membrane that covers the heart?  
 

A. 

Pericardium

B. 

Myocardium

C. 

Epicardium

D. 

Endocardium

E. 

Pericardial cavity

 

9.

The outermost layer of the heart wall, which contains fat that helps cushion the heart, is known as the _________.  
 

A. 

myocardium

B. 

visceral pericardium

C. 

parietal pericardium

D. 

endocardium

E. 

epicardium

 

10.

Which of the following is the thickest layer of the heart, which is made up of muscle?  
 

A. 

Epicardium

B. 

Myocardium

C. 

Endocardium

D. 

Pericardium

E. 

Pericardial cavity

 

11.

Which layer of the heart is the outermost layer, which contains fat to cushion the heart?  
 

A. 

Epicardium

B. 

Myocardium

C. 

Endocardium

D. 

Pericardium

E. 

Pericardial cavity

 

12.

Which of the following is the innermost layer of the heart, which is thin and smooth?  
 

A. 

Epicardium

B. 

Myocardium

C. 

Endocardium

D. 

Pericardium

E. 

Pericardial cavity

 

13.

Which of these layers of the heart wall contains Purkinje fibers?  
 

A. 

Epicardium

B. 

Myocardium

C. 

Endocardium

D. 

Pericardium

E. 

Pericardial cavity

 

14.

Which valve is between the left atrium and left ventricle?  
 

A. 

Tricuspid

B. 

Bicuspid

C. 

Pulmonary semilunar

D. 

Aortic semilunar

E. 

Right atrioventricular

 

15.

What is the name of the valve that is also known as the mitral valve?  
 

A. 

Tricuspid

B. 

Bicuspid

C. 

Pulmonary semilunar

D. 

Aortic semilunar

E. 

Right atrioventricular

 

16.

The ____ valve is between the right ventricle and the pulmonary trunk.  
 

A. 

tricuspid

B. 

bicuspid

C. 

pulmonary semilunar

D. 

aortic semilunar

E. 

right atrioventricular

 

17.

The ____ valve prevents blood from flowing back into the left ventricle.  
 

A. 

tricuspid

B. 

bicuspid

C. 

pulmonary semilunar

D. 

aortic semilunar

E. 

left atrioventricular

 

18.

Which of the following valves prevents blood from flowing back into the right ventricle?  
 

A. 

Tricuspid

B. 

Bicuspid

C. 

Pulmonary semilunar

D. 

Aortic semilunar

E. 

Left atrioventricular

 

19.

Which component of the cardiac conduction system is located between the ventricles and splits into left and right branches?  
 

A. 

SA node

B. 

AV node

C. 

Bundle of His

D. 

Purkinje fibers

E. 

Bundle branches

 

20.

Which part of the cardiac conduction system is located in the wall of the right atrium?  
 

A. 

SA node

B. 

AV node

C. 

Bundle of His

D. 

Purkinje fibers

E. 

Bundle branches

 

21.

Which part of the cardiac conduction system is known as the pacemaker of the heart?  
 

A. 

SA node

B. 

AV node

C. 

Bundle of His

D. 

Purkinje fibers

E. 

Bundle branches

 

22.

Which part of the cardiac conduction system is located in the walls of the ventricles and cause the ventricles to contract?  
 

A. 

SA node

B. 

AV node

C. 

Bundle of His

D. 

Purkinje fibers

E. 

Bundle branches

 

23.

Which part of the cardiac conduction system receives the impulse from the SA node?  
 

A. 

SA node

B. 

AV node

C. 

Bundle of His

D. 

Purkinje fibers

E. 

Bundle branches

 

24.

The bundle of His splits into left and right bundle branches that carry an electrical impulse to the ____.  
 

A. 

SA node

B. 

AV node

C. 

AV bundle

D. 

Purkinje fibers

E. 

mitral valve

 

25.

Which of the following causes dysrhythmia when elevated?  
 

A. 

Exercise

B. 

Body temperature

C. 

Potassium ions

D. 

Calcium ions

E. 

Phosphate ions

 

26.

Which of the following can cause longer-than-normal heart contractions?  
 

A. 

Strenuous exercise

B. 

Elevated body temperature

C. 

High concentration of potassium ions

D. 

High concentration of calcium ions

E. 

Elevated heart rate

 

27.

Which of the following does not cause an increase in the heart rate?  
 

A. 

Strenuous exercise

B. 

Elevated body temperature

C. 

Parasympathetic nerve stimulation

D. 

Sympathetic nerve stimulation

E. 

Low concentration of potassium ions

 

28.

Which of the following decreases the heart rate?  
 

A. 

Strenuous exercise

B. 

Elevated body temperature

C. 

Parasympathetic nerve stimulation

D. 

Sympathetic nerve stimulation

E. 

Low concentration of potassium ions

 

29.

The cardiac control center responds to ____.  
 

A. 

changes in blood pressure

B. 

increase in potassium ion concentration

C. 

strenuous exercise

D. 

increase in calcium ion concentration

E. 

Increase in body temperature

 

30.

The ____ have walls that are one cell thick.  
 

A. 

arterioles

B. 

arteries

C. 

veins

D. 

venules

E. 

capillaries

 

31.

Venules and arterioles are connected by ____.  
 

A. 

arterioles

B. 

arteries

C. 

veins

D. 

venules

E. 

capillaries

 

32.

Which of the following are the strongest blood vessels that function to carry blood away from the heart?  
 

A. 

Arterioles

B. 

Arteries

C. 

Veins

D. 

Venules

E. 

Capillaries

 

33.

The ____ are small vessels that carry oxygenated blood.  
 

A. 

arterioles

B. 

arteries

C. 

veins

D. 

venules

E. 

capillaries

 

34.

The ____ are small vessels that carry deoxygenated blood.  
 

A. 

arterioles

B. 

arteries

C. 

veins

D. 

venules

E. 

capillaries

 

35.

Which of the following results in an increased blood pressure?  
 

A. 

Increased cardiac output

B. 

Loss of blood

C. 

Vasodilation

D. 

Dehydration

E. 

Shock

 

36.

Which of the following does not decrease the blood pressure?  
 

A. 

Loss of blood

B. 

Vasoconstriction

C. 

Vasodilation

D. 

Dehydration

E. 

Decreased cardiac output

 

37.

Which of the following veins drains the intestines?  
 

A. 

Mesenteric

B. 

Renal

C. 

Brachial

D. 

Iliac

E. 

Intercostal

 

38.

Which artery supplies blood to the thigh?  
 

A. 

Left carotid

B. 

Right subclavian

C. 

Celiac

D. 

Phrenic

E. 

Femoral

 

39.

The blood supply for the teeth comes from the ____ artery.  
 

A. 

mesenteric

B. 

axillary

C. 

lumbar

D. 

lingual

E. 

maxillary

 

40.

Which arteries supply blood to the rib area?  
 

A. 

Intercostals

B. 

External iliacs

C. 

Axillaries

D. 

Popliteals

E. 

Occipitals

 

41.

The ____ arteries supply blood to the forearm and hand.  
 

A. 

brachial and popliteal

B. 

ulnar and radial

C. 

common iliac and external iliac

D. 

femoral and tibial

E. 

maxillary and lingual

 

42.

The ____ vein is the major vein in the legs.  
 

A. 

azygos

B. 

intercostal

C. 

saphenous

D. 

jugular

E. 

brachiocephalic

 

43.

Gluteal areas are served by the ____ veins.  
 

A. 

azygos

B. 

intercostal

C. 

saphenous

D. 

iliac

E. 

popliteal

 

44.

The ____ vein takes blood to the liver from the intestines.  
 

A. 

saphenous

B. 

iliac

C. 

mesenteric

D. 

axillary

E. 

gastric

 

45.

Blood leaves the armpits through the ____ veins.  
 

A. 

saphenous

B. 

iliac

C. 

mesenteric

D. 

axillary

E. 

brachial

 

46.

The ____ vein removes blood from the thorax and abdomen.  
 

A. 

azygos

B. 

intercostal

C. 

saphenous

D. 

iliac

E. 

axillary

 

47.

Which of the following causes of chest pain is heart-related?  
 

A. 

Pleurisy

B. 

Heartburn

C. 

Angina

D. 

Inflammation of the pancreas

E. 

Costochondritis

 

48.

Which of the following causes chest pain only when someone pushes on the chest?  
 

A. 

Heartburn

B. 

Costochondritis

C. 

Pulmonary embolism

D. 

Sore muscles

E. 

Pleurisy

 

49.

Mr. Jackson is being seen in the urgent care center where you work because of severe chest pain. He says the pain is sharp and severe and gets worse when he coughs or breathes in. He is afraid he is having a heart attack. Based on these symptoms, you might suspect that he has  
 

A. 

heartburn.

B. 

costochondritis.

C. 

a pulmonary embolism.

D. 

sore muscles.

E. 

myocardial infarction.

 

50.

Chest pain caused by ____ generally occurs only during body movements.  
 

A. 

heartburn

B. 

costochondritis

C. 

pulmonary embolism

D. 

sore muscles

E. 

panic attacks

 

51.

If chest pain follows a meal and increases when the patient bends over, it is generally due to ____.  
 

A. 

heartburn

B. 

costochondritis

C. 

pulmonary embolism

D. 

sore muscles

E. 

pleurisy

 

52.

Karyn has been having episodes of tachycardia (rapid heartbeat) associated with her congestive heart failure. Karyn does not want to add “yet another” medication to those she is already taking. Which of the following options might help Karyn control her rapid heartbeat without medication?  
 

A. 

Maze procedure

B. 

Vagal maneuvers

C. 

Increased exercise

D. 

Increased caffeine intake

E. 

Electrical shock

 

53.

Mr. Johnson is an overweight patient with a history of myocardial infarction four years ago. He is in the office today complaining that he just doesn’t feel well. He is experiencing nausea, shortness of breath, and a little dizziness. His feet and ankles seem swollen and his neck veins are prominent. For which of the following conditions might the practitioner test given the patient’s symptoms?  
 

A. 

Endocarditis

B. 

Hypertension

C. 

Mitral valve prolapse

D. 

Congestive heart failure

E. 

Acute myocardial infarction

 

54.

Mrs. Landon has been diagnosed with coronary artery disease. Her cholesterol level is high, and the physician advised her to get more exercise and follow a low-fat diet. At her follow-up appointment, however, the physician tests her cholesterol level and it is still unacceptably high. Which of the following medications might you expect the physician to prescribe to help lower her cholesterol?  
 

A. 

RhoGAM

B. 

Lasix

C. 

Lipitor

D. 

Aspirin

E. 

Ibuprofen

 

 


Fill in the Blank Questions
 

55.

The ________ valve (letter A) prevents blood from flowing back into the right ventricle. It is called a semilunar valve because its cusps are shaped like a half moon.  
 
________________________________________

 

56.

The ________ veins (letter B) empty oxygenated blood into the left atrium.  
 
________________________________________

 

57.

Blood that is low in oxygen and rich in carbon dioxide enters the ________ (letter C) of the heart.  
 
________________________________________

 

58.

When the ________ (letter D) contracts, blood is pushed through the aortic semilunar valve into the aorta.  
 
________________________________________

 

59.

The ________ valve (letter E) has two cusps and is located between the left atrium and the left ventricle.  
 
________________________________________

 

60.

Blood enters the ________ (letter F) from the left ventricle to be distributed throughout the body.  
 
________________________________________

 

61.

When the ________ (letter G) contracts, blood is pushed through the pulmonary semilunar valve into the pulmonary artery trunk.  
 
________________________________________

 

62.

The ________ (letter H) separates the ventricles.  
 
________________________________________

 

63.

When the right ventricle contracts, deoxygenated blood is pushed through the pulmonary semilunar valve into a larger artery called the ________ (letter I).  
 
________________________________________

 

64.

The pulmonary trunk branches into the left and right ________ (letter J), which carry deoxygenated blood to the lungs.  
 
________________________________________

 

65.

Veins of the body pick up oxygen-poor blood and empty it into the superior and inferior ________ (letter K).  
 
________________________________________

 

66.

The ________ valve (letter L) has three cusps, is situated between the right atrium and the right ventricle, and prevents blood from flowing back into the right atrium when the right ventricle contracts.  
 
________________________________________

 

67.

The ________ valve (letter M) is situated between the left ventricle and the aorta and prevents blood from flowing back into the left ventricle.  
 
________________________________________

 

68.

The pulmonary veins empty the oxygenated blood into the _______ (letter N).  
 
________________________________________

 

69.

A bulge or weak area in the wall of the aorta is called an aortic ________.  
 
________________________________________

 

70.

A hardening of the fatty plaque deposits within the arteries is ________.  
 
________________________________________

 

71.

The blood pressure is regulated partly by ________, which measure blood pressure and are located in the aorta and carotid arteries.  
 
________________________________________

 

72.

Inflammation of the inner lining of the heart is called ________.  
 
________________________________________

 

73.

If an embolus blocks a cerebral artery, the result may be a(n) ________, or stroke.  
 
________________________________________

 

74.

The cusps of the AV valve are anchored to cardiac muscle by cord-like structures called ________ _________.  
 
________________________________________

 

75.

When the ventricles relax, blood pressure in arteries is at its lowest. This pressure is called the ________ pressure.  
 
________________________________________

 

76.

Fluid retention can cause swelling, or ________, in the legs or feet.  
 
________________________________________

 

77.

A consistent resting blood pressure measured at 140/90 mm Hg or higher is diagnosed as ________.  
 
________________________________________

 

78.

The atria are separated from each other by a walled membrane known as the ________.  
 
________________________________________

 

79.

The ventricles of the heart are separated by the ________ septum.  
 
________________________________________

 

80.

The ________ circuit is the route that blood takes from the heart to the lungs and back to the heart again.  
 
________________________________________

 

81.

After the impulse flows through the ________, the ventricles contract and the SA node starts the flow of a new impulse.  
 
________________________________________

 

82.

The _________ circuit is the route blood takes from the heart through the body and back to the heart.  
 
________________________________________

 

83.

The pressure in the arteries caused by ventricular contraction is called the ________ pressure.  
 
________________________________________

 

84.

Twisted, dilated veins that are usually seen in the legs are called ________ veins.  
 
________________________________________

 

85.

The tightening or constriction of the muscular wall of an artery that increases blood pressure is called ________.  
 
________________________________________

 

86.

The widening of the wall of an artery that decreases blood pressure is called ________.  
 
________________________________________

 

87.

On the diagram of the ECG, the letter ________, or P wave, indicates that an electrical impulse was sent through the atria.  
 
________________________________________

 

88.

The letters BCD designate the ________ complex, which indicates that an electrical impulse was sent through the ventricles.  
 
________________________________________

 

89.

The T wave, which indicates relaxation of the ventricles, is designated by the letter ________.  
 
________________________________________

 

Document Information

Document Type:
DOCX
Chapter Number:
25
Created Date:
Aug 21, 2025
Chapter Name:
Chapter 25 The Cardiovascular System
Author:
Kathryn Booth

Connected Book

Medical Assisting Procedures 6e | Test Bank by Kathryn Booth

By Kathryn Booth

Test Bank General
View Product →

$24.99

100% satisfaction guarantee

Buy Full Test Bank

Benefits

Immediately available after payment
Answers are available after payment
ZIP file includes all related files
Files are in Word format (DOCX)
Check the description to see the contents of each ZIP file
We do not share your information with any third party