Cardiac Cycle Problem

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Part 2 Quiz

Part 1 Quiz

 

 

A man has a diastolic heart murmur. The AV valves are open during diastole, but if they are stenotic they will not open all the way, so blood is forced through with a hissing sound - a diastolic murmur.

What about the semilunar valves? Are they open or closed during diastole?

Choose your answer from the links to the right.

open

closed

AV valves are open during diastole
if they don't open all the way, you'll hear a murmur