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    Human Physiology Study Set 1
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    Exam 9: Cardiac Physiology
  5. Question
    A Heart Valve Opens and Closes Due to
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A Heart Valve Opens and Closes Due to

Question 76

Question 76

Multiple Choice

A heart valve opens and closes due to


A) being pulled by the heart muscle
B) pressure differences on the valve's two sides
C) Na+ and K+ fluxes during ventricular depolarization
D) turbulent flow in the atria and ventricles
E) none of the above

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