The nurse must be cognizant that an individual's genetic makeup is known as his or her:
- A. Genotype.
- B. Phenotype.
- C. Karyotype.
- D. Chromotype.
Correct Answer: A
Rationale: The genotype comprises all the genes the individual can pass on to a future generation.
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The nurse is caring for a pregnant person at 28 weeks’ gestation who has started noticing an increase in vaginal discharge that does not have an odor. What is the appropriate response by the nurse to the pregnant person’s concern?
- A. The discharge is because of the weight of the uterus on your bladder.
- B. The discharge means you have a urinary tract infection.
- C. A slight increase in vaginal discharge is expected at 28 weeks of gestation.
- D. There is nothing to worry about.
Correct Answer: C
Rationale: Increased vaginal discharge is normal due to hormonal changes. It does not indicate an infection or bladder issue.
How many mature ova result from a single cycle of oogenesis?
- A. 1
- B. 2
- C. 3
- D. 4
Correct Answer: A
Rationale: Oogenesis produces one mature ovum per cycle, along with polar bodies that degenerate.
The nurse is explaining the function of the placenta to a pregnant patient. Which statement indicates to the nurse that further clarification is necessary?
- A. “My baby gets oxygen from the placent
- B. “The placenta functions to help excrete waste products.”
- C. “The nourishment that I take in passes through the placent
- D. The placenta helps maintain a stable temperature for my baby.”
Correct Answer: D
Rationale: While the statement "The nourishment that I take in passes through the placenta" is generally correct in the context of the placenta providing nutrients to the fetus, it does not fully convey the process accurately. The primary function of the placenta is to facilitate the exchange of oxygen, nutrients, and waste products between the mother and the fetus through the mother's blood supply. It is not a direct passage of nourishment that the mother takes in; rather, it involves a complex process of diffusion and transport to ensure the fetus receives the necessary nutrients and oxygen. Therefore, further clarification is needed to ensure the patient has a complete understanding of this essential function of the placenta.
An expectant mother asks the nurse when her baby’s heart will begin to beat. The nurse explains that this will occur at which time?
- A. The 8th gestational week
- B. The 4th gestational week
- C. The 12th gestational week
- D. The 16th gestational week
Correct Answer: B
Rationale: The heart begins to beat by the 4th gestational week.
The nurse works in an infertility clinic and is interviewing a male patient whose partner has been unable to conceive. Which finding obtained during a health history will cause the nurse greatest concern?
- A. The patient is a passionate gardener.
- B. The patient had a vasectomy reversed.
- C. The patient rides a bicycle daily to work.
- D. The patient is concerned about infertility.
Correct Answer: B
Rationale: A vasectomy reversal can lead to the development of antibodies that reduce sperm motility, impacting fertility.