McGraw-Hill Online Learning Center Test<BLURT>

McGraw-Hill Online Learning Center Test


1. Review the animation and answer the following questions.

The "dup" sound is caused by the closing of the

A. bicuspid valve.
B. tricuspid valve.
C. atrioventricular valves.
D. pulmonary and aortic valves.


2. During a typical cardiac cycle, the cardiac sounds are A. "lub-dup".
B. "lub-lub-dup-dup".
C. "dup-lub".
D. coordinated such that both the "lub" and the "dup" occur simultaneously.
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