Nokea
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.
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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 woman calls the health care facility stating that she is in labor. The nurse would urge the client to come to the facility if the client reports which symptom?
- A. increased energy level with alternating strong and weak contractions
- B. moderately strong contractions every 4 minutes, lasting about 1 minute
- C. contractions noted in the front of abdomen that stop when she walks
- D. pink-tinged vaginal secretions and irregular contractions lasting about 30 seconds
Correct Answer: B
Rationale: Moderately strong regular contractions every 4 minutes lasting about 1 minute indicate that the client is likely in active labor and should come to the facility. This pattern suggests progress in labor and the need for medical assistance.
A pregnant woman comes to the labor and birth unit in labor. The woman tells the nurse, Yesterday, I had this burst of energy and cleaned everything in sight, but I don't know why. Which response by the nurse would be most appropriate?
- A. You had a burst of epinephrine, which is common before labor.
- B. You were trying to get everything ready for your baby.
- C. You felt your mind telling you that you were about to go into labor.
- D. You were looking forward to the birth of your baby.
Correct Answer: A
Rationale: The correct answer is A because a sudden increase in energy before labor is common due to an increase in epinephrine release. This burst of energy is unrelated to getting everything ready or looking forward to the birth of the baby. It is a physiological response that occurs before labor onset.
An infertility specialist is evaluating whether a woman's cervical mucus contains enough estrogen to support sperm motility. Which of the following tests is the physician conducting?
- A. Ferning capacity.
- B. Basal body temperature.
- C. Culposcopy.
- D. Hysterotomy.
Correct Answer: A
Rationale: Ferning capacity evaluates the presence of fern-like patterns in cervical mucus, indicating sufficient estrogen.
During a genetic evaluation, it is discovered that the woman is carrying one autosomal dominant gene for a serious late adult–onset disease, while her partner's history is unremarkable. Based on this information, which of the following family members should be considered high risk and in need of genetic counseling? Select all that apply.
- A. The woman's fetus.
- B. The woman's sisters.
- C. The woman's brothers.
- D. The woman's parents.
Correct Answer: A
Rationale: All first-degree relatives and offspring are at risk for inheriting the gene.