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What is the significance of progesterone supplementation in fertility treatments?
- A. It triggers ovulation during the treatment cycle.
- B. It maintains the uterine lining to support implantation and early pregnancy.
- C. It reduces hormonal fluctuations in male partners.
- D. It eliminates the need for ovarian stimulation.
Correct Answer: B
Rationale: The correct answer is B because progesterone supplementation helps maintain the uterine lining, which is crucial for implantation and early pregnancy success. Progesterone prepares the endometrium for embryo implantation by thickening the uterine lining and promoting blood flow. This ensures a supportive environment for the developing embryo. The other choices are incorrect as progesterone does not directly trigger ovulation (A), reduce hormonal fluctuations in male partners (C), or eliminate the need for ovarian stimulation (D) in fertility treatments.
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A woman who is a carrier for sickle cell anemia is advised that if her baby has two recessive genes, the penetrance of the disease is 100%, but the expressivity is variable. Which of the following explanations will clarify this communication for the mother? All babies with 2 recessive sickle cell genes will:
- A. Develop painful vaso-occlusive crises during their first year of life.
- B. Exhibit at least some signs of the disease while in the neonatal nursery.
- C. Show some symptoms of the disease but the severity of the symptoms will be individual.
- D. Be diagnosed with sickle cell trait but will be healthy and disease-free throughout their lives.
Correct Answer: C
Rationale: Individuals with two recessive genes will have the disease, but symptom severity varies.
A nurse is discussing the benefits of a single embryo transfer (SET) in IVF. What should the nurse emphasize?
- A. SET guarantees a successful pregnancy with one attempt.
- B. SET reduces the risk of multiple pregnancies and associated complications.
- C. SET eliminates the need for ovarian stimulation in future cycles.
- D. SET improves egg quality for future cycles.
Correct Answer: B
Rationale: The correct answer is B: SET reduces the risk of multiple pregnancies and associated complications. This is because transferring a single embryo in IVF lowers the chances of multiple gestations, which can lead to higher risks for both the mother and the babies. This choice emphasizes the importance of safety and health benefits for both the mother and potential offspring.
Choice A is incorrect as there is no guarantee of a successful pregnancy with one attempt. Choice C is incorrect as ovarian stimulation may still be needed in future cycles even with SET. Choice D is incorrect as SET does not directly improve egg quality for future cycles.
A 25-year-old female tells the nurse, 'I have always planned on having children, but now I have been diagnosed with leukemia. I will start chemotherapy treatments soon.' The nurse should discuss which fertility preservation options with this patient?
- A. Donor oocytes
- B. Gestational carrier
- C. Ovulation induction with oocyte retrieval
- D. Cryopreservation
Correct Answer: D
Rationale: The correct answer is D: Cryopreservation. This option allows the patient to preserve her fertility by freezing her eggs before starting chemotherapy, which may affect her ovarian function. Cryopreservation is the most suitable choice in this scenario as it provides the patient with the opportunity to have biological children in the future. Donor oocytes (choice A) and gestational carrier (choice B) are not relevant options for this patient as she wants to use her own eggs. Ovulation induction with oocyte retrieval (choice C) may not be feasible due to the urgency of starting chemotherapy and the potential risks associated with ovarian stimulation.
Which statement by a gravid client who is a carrier for Duchenne muscular dystrophy, an X-linked recessive disease, indicates that she understands the implications of her status?
- A. If I have a girl
- B. she will be healthy.
- C. None of my children will be at risk of the disease.
- D. If I have a boy
Correct Answer: A
Rationale: Girls of carriers have a 50% chance of being carriers but are not affected unless the father also contributes the defective gene.
What is the purpose of tracking cervical mucus changes during the menstrual cycle?
- A. To identify signs of infection.
- B. To monitor hormone levels.
- C. To predict ovulation.
- D. To determine the luteal phase length.
Correct Answer: C
Rationale: The purpose of tracking cervical mucus changes during the menstrual cycle is to predict ovulation. Cervical mucus consistency changes throughout the cycle, becoming clear and stretchy around ovulation. This method helps determine the most fertile days for conception. Monitoring hormone levels (B) requires blood tests. Identifying signs of infection (A) involves different symptoms. Determining luteal phase length (D) usually requires tracking basal body temperature.