An increase in PCO₂ would cause
A) the bronchioles to dilate and the systemic arterioles to dilate.
B) the bronchioles to dilate and the systemic arterioles to constrict.
C) the bronchioles to constrict and the systemic arterioles to dilate.
D) the bronchioles to constrict and the systemic arterioles to constrict.
E) None of the answers are correct.
Correct Answer:
Verified
Q21: In the lungs, the
A) blood flow rate
Q22: In quiet breathing,
A) inspiration and expiration involve
Q23: Flow of air
A) is directly proportional to
Q24: Chronic inhalation of fine particles that reach
Q25: If a student inhales as deeply as
Q27: Air moves out of the lungs because
A)
Q28: When alveolar pressure is equal to atmospheric
Q29: When the diaphragm and external intercostal muscles
Q30: According to the law of LaPlace, when
Q31: Active expiration is produced by contraction of
A)
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