Ch16 Respiratory System Full Test Bank

1.

The organs of the upper respiratory tract are located outside the thorax. 
 
True    False

2.

The glottis is the opening between the vocal cords. 
 
True    False

3.

The left lung is larger than the right lung. 
 
True    False

4.

The left lung has only two lobes, while the right lung has three. 
 
True    False

5.

The potential space between the pleural membranes is called the pleural cavity. 
 
True    False

6.

The pectoralis minor and the sternocleidomastoid muscles are useful in aiding forced expiration. 
 
True    False

7.

The maximum amount of air a person can exhale after taking the deepest breath possible is a measurement of that person's vital capacity. 
 
True    False

8.

Serous fluid in the pleural cavity tends to hold the visceral and parietal pleural membranes together. 
 
True    False

9.

A breathing pattern that eliminates too much CO₂ is called hyperventilation. 
 
True    False

10.

Carbon monoxide bonds to hemoglobin more strongly than does oxygen. 
 
True    False

11.

Microorganisms removed from incoming air by sticky airway mucus are most likely to be destroyed by 
 

12.

The vocal cords are located within the  
 

13.

The walls of the alveoli are composed of 
 

14.

The walls of the nasal cavity are composed of 
 

15.

Microorganisms trapped in the mucus of the nasal cavity eventually end up in the  
 

16.

Most of the inspired air eventually ends up in the  
 

17.

Laryngitis is a potentially dangerous condition because it may cause 
 

18.

The condition of newborns called respiratory distress syndrome is caused by 
 

19.

Cancer that originates in the lungs is most likely to develop from  
 

20.

The procedure used to directly examine the trachea and bronchial tree is called  
 

21.

The muscular action that causes air to move into the lungs during inspiration is provided by  
 

22.

The force responsible for normal resting expiration is supplied by  
 

23.

The amount of air that enters or leaves the lungs during a respiratory cycle is the  
 

24.

Which of the following muscles would be most helpful for forceful expiration?

25.

The additional volume of air that can be inhaled at the end of a resting inspiration is called the 
 

26.

The additional volume of air that can be expelled from the lungs at the end of a resting expiration is called the 
 

27.

The volume of air that can be expelled from completely filled lungs is called the 
 

28.

The visceral and parietal pleural membranes are normally held together by 
 

29.

The condition in which outside air enters the pleural cavity is called  
 

30.

Emphysema is characterized by a decrease in:

31.

Which of the following is a value that cannot be measured or calculated using a simple spirometer?  
 

32.

The respiratory membrane consists of  
 

33.

Breathing rate is most likely to increase if the blood level of  
 

34.

The receptors of the inflation reflex are most sensitive to  
 

35.

Hyperventilation causes 
 

36.

Gas exchange between the air in the alveoli and the blood in nearby capillaries occurs by the process of 
 

37.

The enzyme carbonic anhydrase speeds up the reaction between 
 

38.

Carbaminohemoglobin is formed when hemoglobin bonds with

39.

________ is a substance secreted by cells in the lungs that reduces surface tension. 
 
________________________________________

40.

The layer of serous membrane that is firmly attached to the surface of a lung is called the visceral ________. 
 
________________________________________

41.

The respiratory centers are located in the medulla oblongata and the pons of the ________. 
 
________________________________________

42.

A voluntary increase in the rate and depth of breathing is called ________. 
 
________________________________________

43.

Ordinary air is about ________% oxygen. 
 
________________________________________

44.

Within a mixture of gases, the pressure created by each gas is called its ________ pressure.  
 
________________________________________