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Body Fluids and Circulation
Body Fluids and Circulation
Hard
Question
The first heart sound is
Options
A.
′Lubb′ sound at the end of systole
B.
Dup′ sound at the end of systole
C.
′Lubb′ sound at the beginning of systole
D.
′Dup′ sound at the beginning of systole
Solution
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