Without pulmonary surfactant,
a. small alveoli would tend to collapse.
b. larger alveoli would tend to empty into smaller alveoli.
c. all alveoli would be easier to inflate.
d. the surface tension in the alveoli would be reduced.
e. inspirations would be easier.
A
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A) Allatostatins. B) Allatotropins. C) JH esterase. D) All of the above
Which of the following muscles is NOT found in humans?
A) levator scapulae ventralis B) latissimus dorsi C) trapezius D) deltoid
The X chromosomes from a female child are inherited from both the mother and father.
Answer the following statement true (T) or false (F)
Low PO2 and high PCO2 in the alveoli will cause:
A. constriction of pulmonary capillaries and bronchioles. B. dilation of pulmonary capillaries and bronchioles. C. constriction of pulmonary capillaries and dilation of bronchioles. D. dilation of pulmonary capillaries and constriction of bronchioles.