RN Maternal Nursing OB Newborn 2023 2024 Exam -Nurselytic

Correct Answer: D

Rationale: The correct answer is D: All of the above. In maternal and newborn healthcare, potential legal issues include informed consent, where patients must be fully informed before medical procedures. Medical malpractice can occur if healthcare providers fail to meet the standard of care. Abandonment is a legal issue if healthcare providers neglect patients after agreeing to provide care. Choosing D is correct because all the mentioned issues are relevant to maternal and newborn healthcare legal concerns.

Correct Answer: D

Rationale: Oxytocin is the correct answer as it is the hormone responsible for stimulating uterine contractions during labor. Oxytocin is produced by the pituitary gland and plays a crucial role in initiating and sustaining labor contractions. It acts on the smooth muscle cells of the uterus, causing them to contract and aiding in the progression of labor. Progesterone and estrogen are involved in preparing the uterus for pregnancy but do not directly stimulate contractions. Prolactin is responsible for milk production, not uterine contractions.
Therefore, D is the correct answer due to its specific role in labor contractions.

Correct Answer: A

Rationale: The correct answer is A:
To secrete mucus that prevents infection. The cervix acts as a barrier to protect the fetus from potential infections entering the uterus. The mucus produced by the cervix forms a plug that blocks the entry of harmful bacteria, reducing the risk of infection reaching the developing fetus.

Choices B, C, and D are incorrect because the cervix primarily functions to provide a protective barrier against infections during pregnancy, rather than solely protecting the fetus from trauma, regulating fetal temperature, or encompassing all functions mentioned in the other options.

Correct Answer: D

Rationale: The correct answer is D - All of the above. Varicocele, Cryptorchidism, and Testicular cancer are all potential causes of male infertility. Varicocele is an abnormal enlargement of the veins within the scrotum, which can lead to reduced sperm quality. Cryptorchidism is a condition where one or both testicles fail to descend into the scrotum, affecting sperm production. Testicular cancer can also impact fertility by affecting the function of the testes.
Therefore, all three conditions can contribute to male infertility.

Choices A, B, and C are incorrect because each of them individually can cause male infertility, making D the most comprehensive and correct answer.

Correct Answer: D

Rationale: The correct answer is D: All of the above. Maternal hypertension during pregnancy can lead to preterm labor due to uteroplacental insufficiency, fetal growth restriction as the placenta may not provide adequate nutrients and oxygen to the fetus, and placental abruption due to increased risk of vascular damage. These complications can have serious consequences for both the mother and the fetus.

Choices A, B, and C are all potential complications associated with maternal hypertension, making option D the correct choice.