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  • Which of the following statements is correct ?Option: 1 The tricuspid and the bicuspid valves open due to the pressure exerted by the simultaneous co

Which of the following statements is correct ?

Option: 1

The tricuspid and the bicuspid valves open due to the pressure exerted by the simultaneous contraction of the atria.


Option: 2

Blood moves freely from atrium to the ventricle during joint diastole.


Option: 3

Increased ventricular pressure causes closing of the semilunar valves.


Option: 4

The atrio-ventricular node (AVN) generates an action potential to stimulate aerial contraction


Answers (1)

1) Tricuspid & Bicuspid open due to blood & arial systole

2) True

3) Increased ventricular pressure causes the opening of semilunar valves

4) Action potentials are generated by the SA node as it is the pacemaker

Hence, Option (2) is correct.

Posted by

Ramraj Saini

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