Along with gas exchange and nutrient transfer, the placenta produces many hormones necessary for normal pregnancy.
These include (select all that apply):
Human chorionic gonadotropin (hCG).
Testosterone.
Insulin.
Estrogen.
Progesterone.
Correct Answer : A,D,E
Choice A rationale
Human chorionic gonadotropin (hCG) is produced by the placenta, maintaining the corpus luteum and promoting progesterone production crucial for sustaining pregnancy.
Choice B rationale
Testosterone is not produced by the placenta; it is primarily synthesized in the testes and ovaries and not involved in normal pregnancy hormone production.
Choice C rationale
Insulin is not produced by the placenta; instead, it is secreted by the pancreas and regulates blood glucose levels, not directly linked to pregnancy hormones.
Choice D rationale
Estrogen is produced by the placenta, contributing to the development of female secondary sexual characteristics and maintaining the uterine lining during pregnancy.
Choice E rationale
Progesterone is produced by the placenta, supporting the uterine lining's maintenance, preventing contractions, and creating a suitable environment for fetal development.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Hypertension is not a common side effect of epidural blocks; instead, hypotension is more likely due to vasodilation. Monitoring for hypertension is not the most important intervention.
Choice B rationale
Bradycardia is a potential side effect of epidural blocks due to sympathetic blockade. Monitoring the maternal pulse for bradycardia ensures timely intervention if this side effect occurs.
Choice C rationale
Epidural blocks do not typically cause fetal tachycardia. Monitoring the fetus for tachycardia is not the primary nursing intervention following epidural administration.
Choice D rationale
Limiting parenteral fluids is not advised after an epidural block as fluids are essential to counteract potential hypotension. Fluid management is crucial to maintain maternal and fetal hemodynamics.
Correct Answer is D
Explanation
Choice A rationale
Folic acid does not reduce the risk of preeclampsia. Instead, it is crucial for preventing neural tube defects in the developing fetus during early pregnancy.
Choice B rationale
While folic acid can improve overall nutrition, its primary importance during pregnancy is in preventing neural tube defects by aiding in proper neural development.
Choice C rationale
Folic acid does not prevent patent ductus arteriosus. It is specifically recommended to prevent neural tube defects like spina bifida by supporting proper neural tube closure.
Choice D rationale
Folic acid is essential for preventing neural tube defects such as spina bifida. It helps ensure the proper closure of the neural tube during early fetal development, reducing the risk of these defects.
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