A nurse is discussing the importance of good nutrition to a young pregnant client. The nurse would point out that the growing fetus is getting nutrition from the mother via which structure?
Umbilical arteries.
Placenta.
Amniotic fluid.
Decidua.
The Correct Answer is B
“Placenta.” The placenta is the structure that provides oxygen and nutrients to the growing fetus and removes waste products from the fetus’s blood.
Choice A is incorrect because the umbilical arteries carry deoxygenated blood and waste products from the fetus to the placenta.
Choice C is incorrect because amniotic fluid provides a cushion for the fetus and helps maintain a constant temperature in the uterus but does not provide nutrition.
Choice D is incorrect because the decidua is the lining of the uterus during pregnancy and does not provide nutrition to the fetus.
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Related Questions
Correct Answer is A
Explanation
The umbilical vein carries oxygen-rich blood to the fetus from the placenta.
The umbilical vein is an important part of fetal circulation and carries oxygenated blood from the placenta into the growing fetus.
Choice B is incorrect because the two umbilical arteries carry deoxygenated blood from the fetus to the placenta23.
Choice C is incorrect because there are not two umbilical veins, but only one12.
Choice D is incorrect because it is not the one umbilical artery that carries oxygen-rich blood to the fetus from the placenta, but rather the one umbilical vein14.
Correct Answer is D
Explanation
In patients with Duchenne muscular dystrophy (DMD), creatine kinase levels are often increased to levels that are 50-100 times the reference range.
Choice A is incorrect because lactate dehydrogenase is not typically elevated in DMD.
Choice B is incorrect because C-reactive protein is not typically elevated in DMD.
Choice C is incorrect because the erythrocyte sedimentation rate is not typically elevated in DMD.
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