1. The exchange of gases between the pulmonary capillaries and the lungs is called...
external respiration
internal respiration
cellular respiration

2. The prime mover (muscle) during the process of inspiration is the...
pectoralis major
sternocleidomastoid
diaphragm

3. The trachea possesses ____ cartilage.
plates of
C-shaped
no

4. Type II alveolar cells produce a substance that ___ the surface tension of the water molecules inside the lungs.
increases
decreases
increases and decreases

5. The normal amount of air taken in (or exhaled) during quiet breathing is the...
inspiratory reserve volume (IRV)
expiratory reserve volume (ERV)
tidal volume (TV)

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Correct answers:

Last Updated 05/26/06