MEDICINE MCQ
CARDIOVASCULAR MEDICINE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In the fetal circulation, most of the blood from the superior vena cava will reach the aortic arch through the ductus arteriosus.
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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: -The enriched blood flows through the umbilical cord to the liver and splits into 3 branches. The blood then reaches the inferior vena cava. This is a major vein connected to the heart. Most of this blood is sent through the ductus venosus.
Detailed explanation-2: -The ductus arteriosus sends the oxygen poor blood to the organs in the lower half of the fetal body. This also allows for the oxygen poor blood to leave the fetus through the umbilical arteries and get back to the placenta to pick up oxygen.
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