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 C
Explanation
Choice A rationale
Testing the fluid with nitrazine paper can confirm membrane rupture but is not the first priority. Assessing the fetal heart rate is crucial to ensure fetal well-being immediately after membrane rupture.
Choice B rationale
Documenting the time of rupture is important for clinical records but is not the first priority. Immediate assessment of fetal status takes precedence to detect any distress.
Choice C rationale
Monitoring the fetal heart rate and pattern immediately after membrane rupture is essential to ensure the fetus is not in distress. It helps detect any complications like cord prolapse.
Choice D rationale
Notifying the physician or midwife is necessary but not the first priority. Ensuring fetal well-being through heart rate monitoring is the immediate concern following membrane rupture.
Correct Answer is C
Explanation
Choice A rationale
Calculating from the LMP of February 14, 2019, the estimated date of birth using Naegele's rule would not fall in September.
Choice B rationale
Naegele's rule calculates EDB by adding 7 days to the LMP and then subtracting 3 months. This does not lead to a November date.
Choice C rationale
Using Naegele's rule, adding 7 days to February 14 results in February 21, 2019, then subtracting 3 months, results in November 2019.
Choice D rationale
While close, November 7 is not accurate. Naegele's rule would adjust from February 14, giving an EDB in mid to late November.
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