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Cardiovascular System: Cardiac Cycle

Interactive Physiology® Quiz: Cardiovascular System: Cardiac Cycle

This activity contains 10 questions.

Question 1
1 Ventricular filling occurs during what phase of the cardiac cycle?
 
End of Question 1


Question 2
2 During what phase of the cardiac cycle does the ventricle contract, raising intraventricular pressure and, thus, closing the AV valves?
 
End of Question 2


Question 3
3 During this phase of the cardiac cycle, the pressure in the ventricle increases and forces the semilunar valves open.
 
End of Question 3


Question 4
4 What pressure difference causes the aortic semilunar valves to close?
 
End of Question 4


Question 5
5 What pressure difference causes the AV valves to open?
 
End of Question 5


Question 6
6 State which valves are open or closed during isovolumetric relaxation.
 
End of Question 6


Question 7
7 During the cardiac cycle, heart valves open and close because of:
 
End of Question 7


Question 8
8 The tricuspid valve directs blood flow in which direction?
 
End of Question 8


Question 9
9 The bicuspid valve directs blood flow in which direction?
 
End of Question 9


Question 10
10 The filling of the ventricles is caused mainly by:
 
End of Question 10


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