What is the partial pressure of O₂ in atmospheric air?
A) 180 mm Hg
B) 175 mm Hg
C) 170 mm Hg
D) 165 mm Hg
E) 160 mm Hg
Correct Answer:
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Q22: Where are the central chemoreceptors located?
A)aortic bodies
B)carotid
Q23: What are the only two places in the
Q24: Aside from oxygen,atmospheric air mainly consists of:
A)nitrogen
B)hydrogen
C)helium
D)neon
E)carbon
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Q28: At the end of inspiration,how much of
Q29: The individual pressure exerted independently by a
Q30: What is the medical term for difficult
Q31: How much can alveolar ventilation increase during
Q32: Most CO₂ is transported in the blood
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