QUIZ 7 Flashcards Preview

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Flashcards in QUIZ 7 Deck (11)
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1
Q

The nasopharynx is a passageway for ___ only.

A

Air

2
Q

Both the trachea and bronchi have rings of

A

cartilage in their walls.

3
Q

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

A

produce surfactant.

4
Q

Temporary cessation of breathing is known as

A

Apnea.

5
Q

Difficult or labored breathing is known as

A

Dyspnea.

6
Q

Normal Expiration is

A

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

7
Q

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

A

Primary bronchi.

8
Q

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

A

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

9
Q

Blood vessels and airways enter the lungs through the

A

Hilus.

10
Q

Lung cells in which gas exchange occurs

A

type I pneumocytes (alveolar cells).

11
Q

Rapid breathing is known as

A

Tachypnea