alleryDuring joint diastole at the start of a cardiac cycle, which valves are closed?
ABicuspid valve only
BAll four heart valves
CTricuspid valve only
DSemilunar valves
Answer & Solution
Correct answer: D. Semilunar valves
In joint diastole the atrioventricular valves are open to fill the ventricles, while the semilunar valves stay shut.
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