The ventilation/perfusion ratio is ________ at the apex of the lungs.
A) highest
B) lowest
C) the same as the base
Correct Answer:
Verified
Q66: Breathing 100% oxygen will
A)significantly increase the oxygen
Q67: The amount of a given gas dissolved
Q68: Normal alveolar PCO2 is
A)40 mm Hg.
B)46 mm
Q69: Breathing 100% oxygen will increase the total
Q70: Who's law states that the amount of
Q72: Normal alveolar PO2 is
A)40 mm Hg.
B)46 mm
Q73: Normal venous PCO2 is
A)40 mm Hg.
B)46 mm
Q74: An oxygen electrode will measure the amount
Q75: The ventilation/perfusion ratio
A)is lowest at the apex
Q76: The foramen ovale
A)closes after birth due to
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