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 heart11  



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Author3 Posts
  #1

Which of the following items hasn't any effect on ventricular preload?
A. blood volume
B. atrial contraction
C. systemic hypertension
D. intrapericardial pressure





  #2

A. blood volume
Affects both preload & afterload

B. atrial contraction
If absent, decreases preload.

C. systemic hypertension
Affects mainly afterload.

D. intrapericardial pressure
Augments intrachamber pressures so increase End Diastolic pressure. Increases preload.




  #3

C





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