Question

1) Which of the following term describes the amount of air remaining in the lungs following a normal exhalation?

a. Residual Volume

b. Expiratory Reserve Volume

c. Functional Residual Capacity

d. Vital Capacity

2) Most gas exchange occurs

a. at the alveoli

b. in the primary bronchi

c. in the trachea

d. in the bronchioles

3) The content of inhaled air includes

a. 78% oxygen; 21% nitrogen; .04% carbon dioxide

b. 21% oxygen; 78% nitrogen; .04% carbon dioxide

c. 21% oxygen; .04% nitrogen; 78% carbon dioxide

d. 78% oxygen; .04% nitrogen; 21% carbon dioxide

4) A normal breathing rate is

a. 5-8 breaths per minute

b. 8-10 breaths per minute

c. 10-12 breaths per minute

d. 12-15 breaths per minute

5) Which of the following is not a function of the pulmonary system?

a. Regulate acid-base balance

b. deliver oxygenated blood to muscle

c. oxygenate blood

d. remove metabolic waste

Answer 1

Ans:-

1,

C,

Functional residual capacity, is the term that is used to describe the amount of remaining air in the lungs following a normal exhalation.

2.

A,

At the alveoli,

Most gas exchange occurs at the alveoli.

3.

B,

The content of the inhaled air includes:- 21% oxygen, 78% nitrogen and 0.04% carbon dioxide.

4.

D,

12- 15 breaths per minute is a normal breathing rate.

5.

B,

Delivery of the oxygenated blood to the muscles is not the function of the pulmonary system it the function of the blood vessels of the heart.