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OMR-style practice · NEET UG
BIO-2022-CR6-189
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ZOO · BIO-2022-CR6-189
Zoology
Section B
Which one of the following statements is correct?
A
Increased ventricular pressure causes closing of the semilunar valves.
B
The atrio-ventricular node (AVN) generates an action potential to stimulate atrial contraction
C
The tricuspid and the bicuspid valves open due to the pressure exerted by the simultaneous contraction of the atria
D
Blood moves freely from atrium to the ventricle during joint diastole.
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