The nursing instructor is illustrating the circulatory flow between the mother and fetus.
The instructor determines the session is successful when the class correctly chooses which structure with which route.
The one umbilical vein carries oxygen-rich blood to the fetus from the placenta.
The two umbilical arteries carry waste products from the placenta to the fetus.
The two umbilical veins carry waste products from the fetus to the placenta.
The one umbilical artery carries oxygen-rich blood to the fetus from the placenta.
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The proof of pregnancy is in the pregnancy test.
A positive office pregnancy test would confirm the pregnancy.
Choice A, Chadwick’s sign, is not correct because it is not a definitive sign of pregnancy.
Choice B, Hegar’s sign, is also not correct because it is not a definitive sign of pregnancy.
Choice D, Fetal movement felt by the examiner, is not correct because it is not a definitive sign of pregnancy.
Correct Answer is C
Explanation
The purpose of administering vitamin K to a newborn following delivery is to prevent bleeding.
Vitamin K helps blood to clot and is essential in preventing serious bleeding in infants.
Choice A is not an answer because administering vitamin K does not prevent infection.
Choice B is not an answer because administering vitamin K does not prevent potassium deficiency.
Choice D is not an answer because administering vitamin K does not prevent hyperbilirubinemia.
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