Nokea
What is the significance of timing in intrauterine insemination (IUI)?
- A. IUI is effective regardless of ovulation timing.
- B. IUI must be timed closely with ovulation for optimal success.
- C. IUI should only be done after the implantation window opens.
- D. Timing is irrelevant as long as sperm quality is high.
Correct Answer: B
Rationale: The correct answer is B because timing is crucial in IUI to increase the chance of fertilization. Intrauterine insemination must be done close to ovulation to ensure that the sperm meets the egg for successful conception. Timing is essential to maximize the chances of successful fertilization.
Choice A is incorrect because timing is indeed important for the success of IUI. Choice C is incorrect because the implantation window is not related to the timing of IUI. Choice D is incorrect because high sperm quality alone is not sufficient for successful IUI; timing is a critical factor in achieving pregnancy through IUI.
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An Orthodox Jewish couple is seeking infertility counseling. The woman states that her menstrual cycle is 21 days long. After testing, no physical explanation is found for the infertility. Which of the following may explain why the woman has been unable to conceive?
- A. Her kosher diet is lacking the essential nutrients needed for achieving optimal reproductive health.
- B. The positions allowed Orthodox Jewish couples during intercourse hinder the process of fertilization.
- C. Orthodox Jewish couples are known to have a high rate of infertility because of inborn genetic diseases.
- D. Orthodox Jewish couples refrain from intercourse during menses and for seven days after it ends.
Correct Answer: D
Rationale: Orthodox Jewish couples abstain from intercourse during menstruation and the subsequent week, potentially missing the fertile window.
The nurse is analyzing the pedigree shown below. How should the nurse interpret the genotype of the individuals in locations IV-9 and IV-10?
- A. Fraternal twins.
- B. Unaffected couple.
- C. Proband and sister.
- D. Known heterozygotes.
Correct Answer: D
Rationale: The symbols indicate known heterozygotes.
A couple has been told that the male partner, who is healthy, is producing no sperm 'because he has cystic fibrosis.' Which of the following explanations is accurate in relation to this statement?
- A. Since the man is healthy
- B. he could not possibly have cystic fibrosis.
- C. Men with cystic fibrosis often have no epididymis.
- D. The expressivity of cystic fibrosis is variable.
Correct Answer: B
Rationale: Men with cystic fibrosis frequently have congenital absence of the vas deferens, leading to azoospermia.
A nurse is instructing a woman on the use of ovulation predictor kits. What should the nurse emphasize?
- A. A prescription is required.
- B. The kit will determine a serum LH level.
- C. The LH surge usually occurs 12 hours prior to ovulation.
- D. Your interval of greatest fertility is on the day of the LH surge and the following two days.
Correct Answer: D
Rationale: The correct answer is D because the interval of greatest fertility is indeed on the day of the LH surge and the following two days. This is when ovulation is most likely to occur, and intercourse during this time maximizes the chances of conception. Choice A is incorrect because ovulation predictor kits are typically available over the counter, no prescription is required. Choice B is incorrect because the kit measures urine LH levels, not serum. Choice C is incorrect as the LH surge usually precedes ovulation by around 24-36 hours, not 12 hours.
A patient asks why vitamin D is important for reproductive health. What is the nurse's response?
- A. Vitamin D is only necessary during the third trimester of pregnancy.
- B. It supports hormonal balance and may improve egg quality and implantation rates.
- C. It prevents neural tube defects in early pregnancy.
- D. Vitamin D eliminates the need for other prenatal vitamins.
Correct Answer: B
Rationale: The correct answer is B: It supports hormonal balance and may improve egg quality and implantation rates. Vitamin D plays a crucial role in reproductive health by supporting hormonal balance, which is essential for the regulation of menstrual cycles and overall reproductive function. Additionally, adequate levels of vitamin D have been associated with improved egg quality and increased success rates of implantation during conception.
Incorrect choices:
A: Vitamin D is necessary throughout pregnancy, not just during the third trimester.
C: Prevention of neural tube defects is mainly linked to folic acid intake, not vitamin D.
D: Vitamin D is important for overall health, but it does not eliminate the need for other essential prenatal vitamins that provide a variety of nutrients necessary for a healthy pregnancy.