True statement regarding difference between apex and base of lung, in erect posture is:March 2012, March 2013
Correct Answer: V/ Q is high at the apex of lung
Description: Ans: B i.e. V/ Q is high at the apex of lungV/ Q changes from region to region of the lung.Thus in apical zone in the erect posture, Q (perfusion) is very low and therefore V/ Q ratio is high. While at the bases, it (V/ Q) is low
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