QUIZ 7

Question 1

The nasopharynx is a passageway for ___ only.

Answer 1

Air

Question 2

Both the trachea and bronchi have rings of

Answer 2

cartilage in their walls.

Question 3

The main function of the Type II pneumocytes (alveolar cells) is to

Answer 3

produce surfactant.

Question 4

Temporary cessation of breathing is known as

Answer 4

Apnea.

Question 5

Difficult or labored breathing is known as

Answer 5

Dyspnea.

Question 6

Normal Expiration is

Answer 6

passive, i.e. no muscle contraction is involved or required:

Question 7

In the body, the structure that follows the trachea is the

Answer 7

Primary bronchi.

Question 8

When the diaphragm contracts the size of the chest cavity increases; the lungs

Answer 8

expand to fill the extra space in the chest cavity; air from outside rushes into the lungs; and intrathoracic pressure decreases.

Question 9

Blood vessels and airways enter the lungs through the

Answer 9

Hilus.

Question 10

Lung cells in which gas exchange occurs

Answer 10

type I pneumocytes (alveolar cells).

Question 11

Rapid breathing is known as

Answer 11

Tachypnea