Papillary muscles:
A) contract when the ventricles relax
B) prevent the valves from closing during ventricular diastole
C) are attached to the semi lunar valves via the chordae tendineae
D) prevent the backflow of blood into the atria during ventricular systole
E) prevent the backflow of blood into the ventricles from the aorta
Correct Answer:
Verified
Q15: Which of these is NOT one of
Q17: Which of these statements concerning the form
Q18: Coronary arteries may become blocked
A) by a
Q19: The tricuspid valve
A) is the location of
Q21: Cardiac muscle cells
A) twist when they contract
B)
Q22: Papillary muscles:
A) contract when the ventricles relax
B)
Q23: Like skeletal muscle, cardiac muscle:
A) relies on
Q24: Papillary muscles are attached to the cusps
Q26: Which of these statements concerning the functional
Q27: As a result of the long refractory
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