Deck 40: Physiology of the Respiratory System

Question 1

The exchange of gases between the lungs and the blood is called ________.

A) pulmonary ventilation
B) external respiration
C) internal respiration
D) none of the above

Answer 1

B

Question 2

Which respiratory-associated muscles would contract if you were to blow up a balloon?

A) External intercostals would contract and the diaphragm would relax.
B) Diaphragm would contract, external intercostals would relax.
C) Internal intercostals and abdominal muscles would contract.
D) none of the above

Answer 2

C

Question 3

Air moves out of the lungs when the pressure inside the lungs is ________.

A) equal to the pressure in the atmosphere
B) less than the pressure in the atmosphere
C) greater than the pressure in the atmosphere
D) none of the above

Answer 3

C

Question 4

The lung volume that represents the total volume of exchangeable air is the ________.

A) expiratory reserve volume
B) tidal volume
C) inspiratory capacity
D) vital capacity

Question 5

Which of the following choices is NOT a functional process performed by the respiratory system?

A) transport of respiratory gases
B) pulmonary respiration
C) pulmonary ventilation
D) external respiration

Question 6

The amount of air that cannot be forcefully exhaled from the lungs is called ________.

A) residual volume
B) tidal volume
C) inspiratory reserve volume
D) none of the above

Question 7

Inspiratory capacity is ________.

A) the total amount of exchangeable air
B) functional residual capacity
C) air inspired after a tidal inhalation
D) the total amount of air that can be inspired after a tidal expiration

Question 8

Intrapulmonary pressure is the ________.

A) pressure within the pleural cavity
B) pressure within the alveoli of the lungs
C) difference between the atmospheric pressure and respiratory pressure
D) none of the above

Question 9

The relationship between the pressure and volume of gases is given by ________.

A) Henry's law
B) Charles's law
C) Boyle's law
D) Dalton's law

Question 10

The amount of air that can be inspired above the tidal volume is called ________.

A) inspiratory reserve volume
B) expiratory reserve volume
C) vital capacity
D) reserve air