Ventricular Function | MCQs
انسانی دل میں، دائیں ویںٹرکل کی دیوار دائیں ایٹریم کی دیوار سے موٹی کیوں ہے؟
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A. The right ventricle must exert a greater force than the right atrium.
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B. The right ventricle receives more blood than the right atrium
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C. The right atrium must pump blood all the way around the body
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D. The chambers have different oxygen concentrations
Explanation
The right ventricle is responsible for pumping deoxygenated blood to the lungs.
While the right atrium receives blood from the vena cava, it only needs to passively push that blood into the right ventricle.
The right ventricle, however, needs to generate significant force to propel the blood through the pulmonary artery to the lungs.
This requires a thicker, more muscular wall.
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