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 ["A","C","D"]
Explanation
Choice A rationale
Pitocin is used for augmentation of labor to increase uterine contractions' frequency and strength, enhancing labor progression in cases where labor is slow or stalled.
Choice B rationale
Pitocin does not increase prolactin receptor sites; instead, it focuses on enhancing uterine contractions during labor and addressing postpartum hemorrhage.
Choice C rationale
Pitocin is used for induction of labor to stimulate uterine contractions and initiate labor in women who need medical intervention for various reasons.
Choice D rationale
Pitocin helps decrease bleeding after delivery by promoting uterine contractions, which aid in reducing postpartum hemorrhage and expelling the placenta.
Correct Answer is B
Explanation
Choice A rationale
Occasional accelerations in fetal heart rate are generally reassuring, indicating fetal well-being and a positive response to movement or contractions.
Choice B rationale
Minimal or absent baseline variability is concerning because it can signal fetal hypoxia or central nervous system depression, indicating potential compromise in fetal oxygenation and well-being.
Choice C rationale
Early decelerations typically coincide with contractions and are often benign, resulting from fetal head compression that momentarily decreases heart rate but does not indicate distress.
Choice D rationale
A fetal heart baseline of 160 beats per minute is within the normal range (110-160 bpm), signifying an adequate fetal heart rate and not indicating immediate concern for the nurse.
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