Chapter 25

Question 1

Sympathetic innervation

Answer 1

bronchodilation

Question 2

Parasympathetic innervation

Answer 2

bronchoconstriction

Question 3

The nasal cavity is divided into left and right portions by the…

Answer 3

nasal septum

Question 4

The right lung has ________ lobes, and the left lung has ________ lobes.

Answer 4

three; two

Question 5

True or False: The gas exchange surfaces of the lungs are part of the pulmonary circulation, while the bronchial circulation is part of the systemic circulation.

Answer 5

True

Question 6

Conducts air; contains auditory tubes

Answer 6

Nasopharynx

Question 7

Conducts air and food; contains palatine tonsils

Answer 7

oropharynx

Question 8

Conducts air and food; terminates at esophagus

Answer 8

laryngopharynx

Question 9

Conducts air and produces sound

Answer 9

larynx

Question 10

Conducts air

Answer 10

trachea

Question 11

Functions in gas exchange

Answer 11

alveolar ducts

Question 12

The diaphragm contracts during…

Answer 12

inhalation

Question 13

Pulmonary ventilation (breathing) can also be described as…
-the movement of air into and out of the lungs.
-the process of inspiration only.
-the process of expiration only.
-the process of gas exchange in the lungs only.

Answer 13

-the movement of air into and out of the lungs.

Question 14

Secretes pulmonary surfactant

Answer 14

alveolar type II cell

Question 15

Thin shape allows for rapid gas diffusion

Answer 15

alveolar type I cell

Question 16

Engulf microorganisms or particulate material

Answer 16

alveolar macrophages

Question 17

During inhalation, the thoracic cavity ___________; during exhalation, the thoracic cavity ___________.

Answer 17

becomes larger; returns to its original size