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1 Cards in this Set
- Front
- Back
One description of a typical heart sound is "lub-dub"
What makes the first heart sound? (the "lub" ) A - Atrial contraction B - Aortic and pulmonic valves C - Ventricular filling D - Mitral and semilunar valves E - Atrioventricular valves |
E - Atrioventricular valves
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