AP and TS EAMCET Medical Model Paper 10
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Question : 63 of 160
Marks:
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In man the heart sounds 'LUB' & 'DUP' are produced when
a) Atrio - ventricular valves are closed during ventricular systole.
b) Atrio - ventricular valves are opened during atrial systole.
c) Semi lunar valves are opened during atrial systole.
d) Semi lunar valves are closed during ventricular diastole.
The correct answer is
a) Atrio - ventricular valves are closed during ventricular systole.
b) Atrio - ventricular valves are opened during atrial systole.
c) Semi lunar valves are opened during atrial systole.
d) Semi lunar valves are closed during ventricular diastole.
The correct answer is
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