Use this figure for questions 13-15.
Use this figure to answer questions 16-17.
A
B
D
C
13.
Which of the following cells would be involved in a baby with
RDS?
a. A
b. B
c. C
d. D
14.
What is the function of the cell labeled C?
a. secretes surfactant
b. clears debris
c. carries oxygen
d. secretes mucus
15.
Which of the labeled cells is most affected by carbon monox-
ide?
a. A
b. B
c. C
d. D
BRANCHING OF
BRONCHIAL TREE:
Tertiary bronchi
A
A
A
Terminal bronchioles
A
Respiratory bronchioles
A
Alveolar ducts
A
Alveolar sacs
A
B
16. What is the name of area A in the bronchial tree, after the
tertiary bronchi?
a. the secondary bronchioles
b. the alveolar sacs
c. the alveoli
d. the bronchioles
17. What is the name of area B in the bronchial tree, after the
alveolar sacs?
a. the secondary bronchioles
b. the alveolar sacs
c. the alveoli
d. the bronchioles
18. Which of the following is
n o t
correct regarding the respira-
tion process?
a. In external respiration, hemoglobin must be used to help
O2 remain soluble in the blood.
b. Oxygen is released in the systemic capillaries because of
changes in pH, CO2, and temperature.
c. In internal respiration, CO2
forms inside the red blood cells.
d. During both internal and external respiration, gases diffuse
across the membranes because of gradients of partial pres-
sure.
e. Carbonic anhydrase helps convert CO2 to a more soluble
form that can be transported.
THE PLANNER
Review your Chapter Planner on the chapter opener and
check off your completed work.
V
J
Self-Test 397
previous page 432 Craig Freudenrich, Gerard J  Tortora   Visualizing Anatomy and Physiology   2011 read online next page 434 Craig Freudenrich, Gerard J  Tortora   Visualizing Anatomy and Physiology   2011 read online Home Toggle text on/off