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Which of the following is true about ventilation-perfusion coupling? in alveoli where ventilation is inadequate, the...

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Medical Sciences


Which of the following is true about ventilation-perfusion coupling?

 in alveoli where ventilation is inadequate, the partial pressure of oxygen is high

 terminal arterioles dilate in areas where the partial pressure of oxygen is low

 blood is shifted towards alveoli with low partial pressure of oxygen to enhance oxygen pick-up from lungs

 in alveoli where ventilation is maximal, the partial pressure of oxygen is low

 terminal arterioles dilate in areas where the partial pressure of oxygen is high 

Answer & Explanation Solved by verified expert
4.1 Ratings (771 Votes)
Ans b terminal arterioles dilate in a area where partial pressure of oxygen is low so that more income air goes to that area of    See Answer
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