The third heart sound can be heard ________.
A) when blood flows into the ventricles
B) when the AV valves close
C) when the semilunar valves close
D) contraction of the atria
Correct Answer:
Verified
Q646: All of the following are veins of
Q647: During the period of ventricular filling _.
A)
Q648: Which artery supplies blood to the organs
Q649: All of the following supply blood to
Q650: Normal heart sounds are caused by which
Q652: Which vein empties deoxygenated blood into the
Q653: Which of these vessels receive blood during
Q654: All of the following veins drain into
Q655: The second heart sound is heard during
Q656: The tricuspid valve is closed _.
A) while
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