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When the SA node generates an action pot...

When the SA node generates an action potential it stimulates the atrial systole , which results in

A

complete Ventricular filling

B

Complete emptying of atria

C

increased flow of blood into the Ventricles by about 30 % , but semilunar valves must be open

D

increased flow of blood into the Ventricles by about 30 % , but semilunar valves must be closed

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The correct Answer is:
D
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NTA MOCK TESTS-NTA NEET SET 87-BIOLOGY
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