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Physiology

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Cardiovascular System

Question
3 out of 12
 

When a person changes position from standing to lying down position, following occurs. (AIIMS NOV 2007)



A Heart rate increases and settles at higher level

B Venous return to heart rises immediately

C Cerebral blood flow become more than that in standing position settles at a higher level

D Decrease in blood flow to the lung apex

Ans. B Venous return to heart rises immediately
  1. Immediately on lying from standing position, following occur

a. Increase Venus return b. Increase cardiac output

  1. Gradient from base to apex in perfusion, ventilation intraplerual pressure V/Q ratio, occur only is standing and sitting position. It does not occur is lying position

Cardiovascular System Flashcard List

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