What does the cardiac cycle reveal about the opening and closing of the heart valves?
A) The AV valves open, then the semilunars open, then the AV valves close, followed by closure of the semilunars.
B) There are times when all four heart valves are open.
C) The AV valves close first, then the semilunars open and close, then the AV valves open.
D) There are no times when all four heart valves are closed.
Correct Answer:
Verified
Q15: The term systole refers to .
A) atrial
Q16: Heart sounds are associated with _.
A) closure
Q17: By convention, the cardiac cycle graphs the
Q18: The first heart sound heard during the
Q19: Heart murmurs .
A) can be used to
Q21: The first of the two numbers measured
Q22: The AV valves close when _.
A) ventricular
Q23: AV valves are best auscultated at the
Q24: Venous pressure _.
A) is not affected by
Q25: The dichrotic notch is a result of
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