PATHOLOGY MCQ
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements about the atria of the heart is not true?
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they are the upper chambers of the heart
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they receive blood from the body or lungs
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they contain oxygenated blood
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they have thinner walls that that of ventricles
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Explanation:
Detailed explanation-1: -Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.
Detailed explanation-2: -The right atrium receives deoxygenated blood from the body and pumps it into the right ventricle.
There is 1 question to complete.