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Cardiovascular Engineering MCQ
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Which of the following causes the “lub” sound i...
Which of the following causes the “lub” sound in the heart?
A. Closure of atrioventricular valves
B. Opening of heart valves
C. Closure of semilunar valves
D. Blood flow
Explanation:
“Lub” is AV valve closure.
Tags:
Cardiovascular Engineering MCQ
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Biomedical Engineering
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