Multiple Choice
Decrease in alveolar oxygen concentration causes
A) vasoconstriction of the pulmonary arteriole.
B) relaxation of bronchiolar smooth muscle.
C) vasodilation of the pulmonary arteriole.
D) vasoconstriction of the pulmonary arteriole and vasodilation of the pulmonary arteriole.
E) vasoconstriction of the pulmonary arteriole and relaxation of bronchiolar smooth muscle.
Correct Answer:
Verified
Correct Answer:
Verified
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