21.1 Overview of the Respiratory System

Question 1

The respiratory system includes the:

a) pulmonary arteries and veins
b) thoracic cage
c) lungs
d) the respiratory tract
e) b,c, and d
f) all of the above

Answer 1

all of the above

Question 2

The respiratory tract includes the:

a) nose and nasal cavity
b) the pharynx
c) the larynx
d) the trachea
e) the bronchial tree
f) a, c, d, and e
g) all of the above

Answer 2

all of the above

Question 3

The terminal structures of the respiratory tract are _______ through which gases are exchanged.

Answer 3

The terminal structures of the respiratory tract are alveoli through which gases are exchanged.

Question 4

Respiration consists of what four separate processes?

Answer 4

pulmonary ventilation, pulmonary gas exchange, gas transport, and tissue gas exchange.

Question 5

The respiratory system does NOT function in __________.

a. maintain acid-base, fluid, and blood pressure homeostasis
b. assists in the flow of venous blood and lymph
c. produces speech
d. detects odors
e. helps expel the abdominal contents.
f. blood cell production

Answer 5

f. blood cell production

Question 6

Tubes of the ____________ zone are conduits through which air travels on its way into (inspired or inhaled) and out (expired or exhaled) of body

Answer 6

conducting zone

Question 7

Does the following describe the conducting zone or the respiratory zone?

Air is filtered, warmed, and moistened as it travels through zone.
Includes structures from nose and nasal cavity to bronchioles

Answer 7

conducting zone

Question 8

Which zone iswehre gas exchange occurs?

Answer 8

Respiratory zone

Question 9

True or False: The respiratory zone only includes structures that contain alveoli

Answer 9

True

Question 10

The upper respiratory tract includes passageways from _______ to ________.
The lower respiratory tract includes passageways from _______ to __________.

Answer 10

Upper – passageways from nasal cavity to larynx

Lower – passageways from trachea to respiratory tract’s terminal structures (alveoli)

Question 11

Respiratory system synthesizes an enzyme involved in production of _________; critical to maintenance of blood pressure and fluid homeostasis

Answer 11

angiotensin-II

Question 12

Which of the following is NOT part of the upper respiratory tract?

nose

pharynx

trachea

larynx

Answer 12

Which of the following is NOT part of the upper respiratory tract?

nose

pharynx

trachea

larynx