During isovolumetric contraction group of answer choices
(a) ventricular pressure < atrial pressure
(b) atrioventricular valves are open
(c) pressure in the ventricles is increasing answers a and c are correct. (
(d) blood is flowing from the ventricles into the aorta and pulmonary arteries.

Option D

During isovolumetric contraction blood is flowing from the ventricles into the aorta and pulmonary arteries.

Explanation:

Isovolumetric contraction is an occurrence that happen in the systole where the ventricle contracts with no change in volume. Isovolumetric contraction causes the left ventricles pressure to rise above the atrial pressure which shut the mital valve and cause the first heart sound. When the pressure rises in the left ventricle, it contracts and pump blood to the aorta and pulmonary arteries. The ventricles continue to contract and blood continue to flow to the aorta and pulmonary arteries in the systole.

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