Of what is the normal umbilical cord comprised?
a. 1 artery carrying blood to the fetus and 1 vein carrying blood away from the fetus
b. 1 artery carrying blood to the fetus and 2 veins carrying blood away from the fetus
c. 2 arteries carrying blood away from the fetus and 1 vein carrying blood to the fetus
d. 2 arteries carrying blood to the fetus and 2 veins carrying blood away from the fetus
ANS: C
The umbilical cord is comprised of 2 arteries carrying blood away from the fetus and 1 vein carrying blood to the fetus.
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