Nokea
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
During preconception counseling, a patient asks about the impact of caffeine on fertility. What should the nurse emphasize?
- A. Moderate caffeine intake is generally considered safe.
- B. Caffeine improves ovulation and increases conception chances.
- C. All caffeine should be eliminated to conceive successfully.
- D. Caffeine intake only affects male fertility.
Correct Answer: A
Rationale: Correct Answer: A
Rationale:
1. Moderate caffeine intake is generally considered safe during preconception as excessive intake may affect fertility.
2. Studies show that moderate caffeine consumption doesn't significantly impact fertility.
3. Advising complete elimination may be overly restrictive and challenging for patients.
4. Caffeine can affect both male and female fertility, not just male fertility.
5. Emphasizing moderation allows for informed decision-making and realistic lifestyle changes.
Summary of other choices:
B: Incorrect - Caffeine does not improve ovulation or increase conception chances.
C: Incorrect - Complete elimination of caffeine is unnecessary for successful conception.
D: Incorrect - Caffeine intake can affect both male and female fertility, not limited to male 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.
What is the role of hCG injections in fertility treatments?
- A. To prevent ovulation during stimulation cycles.
- B. To trigger the release of mature eggs from the ovary.
- C. To enhance the quality of embryos for transfer.
- D. To suppress uterine contractions post-implantation.
Correct Answer: B
Rationale: The correct answer is B: To trigger the release of mature eggs from the ovary. hCG injections are commonly used in fertility treatments to induce ovulation by mimicking the hormone LH, which triggers the release of mature eggs from the ovary. This is crucial for assisted reproductive techniques like in vitro fertilization.
A: Incorrect. hCG injections do not prevent ovulation; instead, they promote it.
C: Incorrect. hCG injections do not directly enhance the quality of embryos.
D: Incorrect. hCG injections are not used to suppress uterine contractions post-implantation; they are primarily for ovulation induction.
What is the primary goal of using gonadotropins in fertility treatments?
- A. To suppress ovulation for egg preservation.
- B. To stimulate the ovaries to produce multiple eggs.
- C. To prevent hormonal fluctuations during the menstrual cycle.
- D. To enhance uterine lining growth for implantation.
Correct Answer: B
Rationale: The primary goal of using gonadotropins in fertility treatments is to stimulate the ovaries to produce multiple eggs. This increases the chances of successful fertilization and pregnancy. Gonadotropins mimic the natural hormones that regulate ovulation and stimulate the growth of follicles in the ovaries. By producing multiple eggs, there is a higher likelihood of at least one egg being successfully fertilized.
Choice A is incorrect because gonadotropins actually stimulate ovulation rather than suppress it.
Choice C is incorrect as gonadotropins do not prevent hormonal fluctuations but rather help regulate and induce controlled hormonal changes.
Choice D is incorrect as the primary goal of using gonadotropins is not to enhance uterine lining growth but rather to stimulate egg production in the ovaries.
A nurse is providing care to a woman in labor. After assessment of the fetus, the nurse documents the fetal lie. Which term would the nurse use?
- A. flexion
- B. extension
- C. longitudinal
- D. cephalic
Correct Answer: C
Rationale: The correct answer is C because fetal lie refers to the relationship of the long axis of the fetus to the long axis of the mother. The primary lies are longitudinal, oblique, and transverse. Flexion and extension are terms used to describe fetal attitude, while cephalic is used to describe fetal presentation.