MEDICINE MCQ
CARDIOVASCULAR MEDICINE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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During fetal circulation, the resistance of the pulmonary vessels is high, so that most of the blood passes through the ductus arteriosus from the aorta to the pulmonary trunk.
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TRUE
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Because there is high resistance to blood flow in the lungs, the blood is shunted from the pulmonary artery into the aorta via the ductus arteriosus, mostly bypassing the lungs.
Detailed explanation-2: -The ductus arteriosus moves blood from the pulmonary artery to the aorta. Oxygen and nutrients from the mother’s blood are sent across the placenta to the fetus.
Detailed explanation-3: -In utero, the most oxygenated blood with oxygen saturation around 75% to 85% flows from the umbilical vein through the ductus venosus to the inferior vena cava (IVC).
There is 1 question to complete.