A woman is informed that she is a carrier for Tay-Sachs disease, an autosomal recessive illness. What is her phenotype?
- A. She has one recessive gene and one normal gene.
- B. She has two recessive genes.
- C. She exhibits all symptoms of the disease.
- D. She exhibits no symptoms of the disease.
Correct Answer: D
Rationale: Carriers of autosomal recessive diseases do not exhibit symptoms.
You may also like to solve these questions
A nurse is offering preconception counseling to a couple. What advice should be emphasized to support fertility?
- A. Smoking cessation improves both male and female fertility.
- B. Caffeine intake has no impact on fertility.
- C. Stress management is unnecessary if ovulation occurs regularly.
- D. High protein diets guarantee improved egg quality.
Correct Answer: A
Rationale: The correct answer is A: Smoking cessation improves both male and female fertility. Smoking negatively impacts fertility by reducing sperm quality, disrupting hormone production, and affecting egg quality. By quitting smoking, both partners can improve their chances of conceiving.
Summary:
B: Caffeine intake can affect fertility, so moderate consumption is recommended.
C: Stress management is important for fertility, as stress can disrupt hormonal balance.
D: High protein diets alone do not guarantee improved egg quality; a balanced diet is essential for fertility.
A couple is learning about assisted reproductive technologies (ART). Which method involves retrieving eggs and fertilizing them outside the body?
- A. Intrauterine insemination (IUI)
- B. In-vitro fertilization (IVF)
- C. Ovarian stimulation
- D. Egg freezing
Correct Answer: B
Rationale: The correct answer is B: In-vitro fertilization (IVF). In IVF, eggs are retrieved from the ovaries and fertilized with sperm in a laboratory dish. This method involves fertilization outside the body, making it the correct choice.
A: Intrauterine insemination (IUI) involves placing washed sperm directly into the uterus, not fertilizing eggs outside the body.
C: Ovarian stimulation is a process to stimulate the ovaries to produce multiple eggs but does not involve fertilization outside the body.
D: Egg freezing is a method where eggs are frozen for future use but does not involve fertilization outside the body.
Nurses working in a midwifery office have attended a conference to learn about factors that increase a woman's risk of becoming infertile. To evaluate the nurses' learning, the conference coordinator tested the nurses' knowledge at the conclusion of the seminar. Which of the following problems should the nurses state increase a client's risk of developing infertility problems? Select all that apply.
- A. Women who have menstrual cycles that are up to 30 days long.
- B. Women who experience pain during intercourse.
- C. Women who have had pelvic inflammatory disease.
- D. Women who have excess facial hair.
Correct Answer: B
Rationale: Pain during intercourse, pelvic inflammatory disease, and hirsutism (excess facial hair) are associated with infertility.
A patient undergoing infertility treatment asks about the importance of stress management. What should the nurse explain?
- A. Stress has no impact on fertility treatment outcomes.
- B. Stress can negatively affect hormone levels and ovulation.
- C. Managing stress is only important after conception occurs.
- D. Stress is a common cause of infertility in both partners.
Correct Answer: B
Rationale: The correct answer is B because stress can indeed negatively affect hormone levels and ovulation, thereby impacting fertility treatment outcomes. High levels of stress can disrupt the delicate balance of hormones involved in the reproductive process, leading to irregular ovulation and potentially hindering conception. It is essential for patients undergoing infertility treatment to manage stress effectively to optimize their chances of success.
Choice A is incorrect because research suggests that stress can impact fertility treatment outcomes. Choice C is incorrect as stress management is important throughout the fertility treatment process, not just after conception. Choice D is incorrect because while stress can contribute to infertility, it is not always the primary cause and can affect fertility differently in each partner.
What is the significance of basal body temperature (BBT) tracking in fertility?
- A. BBT predicts the exact time of ovulation.
- B. A rise in BBT confirms that ovulation has occurred.
- C. BBT tracking eliminates the need for ovulation predictor kits.
- D. BBT remains constant throughout the menstrual cycle.
Correct Answer: B
Rationale: Correct Answer: B
Rationale:
1. BBT rise confirms ovulation due to increased progesterone post-ovulation.
2. Progesterone causes a slight increase in BBT, signaling the release of an egg.
3. The shift in BBT helps predict the fertile window for conception.
4. BBT tracking does not predict the exact time of ovulation (A), nor eliminate the need for ovulation predictor kits (C), and BBT does not remain constant throughout the cycle (D).