S₂ is
A) caused by the closure of the AV valves at the beginning of ventricular contraction.
B) the second heart sound.
C) the heart sound caused by the opening of valves.
D) All of the above are true.
Correct Answer:
Verified
Q50: The semilunar valves
A)receive blood from the contracting
Q51: Which of the following is least true
Q52: Cells that spontaneously depolarize from resting membrane
Q53: The purpose of the right heart is
Q54: Which of the following spaces is not
Q56: Which of the following is least descriptive
Q57: Which of the following is not considered
Q58: Which of the following is true of
Q59: Which group is incorrect?
A)Semilunar valves: pulmonic,aortic
B)Structures that
Q60: Which group is incorrect?
A)Atrioventricular valves: tricuspid,bicuspid,mitral
B)Layers of
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