What is the normal configuration of the umbilical cord?

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Multiple Choice

What is the normal configuration of the umbilical cord?

Explanation:
Two arteries and one vein make up the normal umbilical cord. The two arteries carry deoxygenated blood from the fetus to the placenta, while the single umbilical vein carries oxygenated blood from the placenta to the fetus. Describing the same arrangement as “one vein and two arteries” is just a different order of words, so that phrasing is also correct. Options with two veins and one artery or with three arteries do not match the typical fetal circulation pattern.

Two arteries and one vein make up the normal umbilical cord. The two arteries carry deoxygenated blood from the fetus to the placenta, while the single umbilical vein carries oxygenated blood from the placenta to the fetus. Describing the same arrangement as “one vein and two arteries” is just a different order of words, so that phrasing is also correct. Options with two veins and one artery or with three arteries do not match the typical fetal circulation pattern.

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