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thochatown thochatown
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5 years ago
Which statement is not true regarding heart sounds?

a) S3 occurs during ventricular filling
b) S2 is louder and a little longer than the first sound
c) S1 is caused by closing of the AV valves
d) S4 occurs during atrial filling and is not usually heard
e) the second sound is due to the SL valves closing
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Principles of Anatomy and Physiology

Principles of Anatomy and Physiology


Edition: 14th
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makeshsvmmakeshsvm
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