Nokea
A pregnant woman tells the nurse-midwife, 'I've heard that if I eat certain foods during my pregnancy, the baby will be a boy.' The nurse-midwife should explain that this is a myth, and that the sex of the baby is determined at what time?
- A. At the time of ejaculation
- B. At the time of fertilization
- C. At the time of implantation
- D. At the time of differentiation
Correct Answer: B
Rationale: The sex of a baby is determined at fertilization. Sperm cells carry either an X or Y chromosome, while the ovum only carries an X chromosome. If the sperm contributes an X chromosome, the baby will be female, and if it contributes a Y chromosome, the baby will be male.
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A nurse is caring for four newborns. Which of the following newborns should the nurse assess first?
- A. Newborn who has nasal flaring
- B. Newborn who has subconjunctival hemorrhage of the left eye
- C. A newborn who has overlapping suture lines
- D. A newborn who has not rust-stained urine
Correct Answer: A
Rationale: Nasal flaring in a newborn can be a sign of respiratory distress, which is a critical condition that requires immediate attention. It indicates that the newborn is having difficulty breathing and may not be getting enough oxygen. This can be due to various reasons such as lung problems, infections, or other respiratory issues. Therefore, the nurse should assess and address the newborn with nasal flaring first to ensure their breathing is stable and adequate.
A patient who is older than 35 years may have difficulty achieving pregnancy because
- A. prepregnancy medical attention is lacking.
- B. personal risk behaviors influence fertility.
- C. contraceptives have been used for an extended period of time.
- D. the ovaries may be affected by the normal aging process.
Correct Answer: D
Rationale: As women age, their ovarian reserve decreases and the quality of their eggs declines, making it more difficult to conceive. This is due to the normal aging process of the ovaries, which can lead to decreased fertility and an increased risk of chromosomal abnormalities in the embryos. Therefore, a patient who is older than 35 years may have difficulty achieving pregnancy because the ovaries may be affected by the normal aging process.
What is the priority nursing action for a newborn with a temperature of 35.5°C (95.9°F)?
- A. Place the newborn under a radiant warmer
- B. Administer warm IV fluids
- C. Swaddle the newborn in warm blankets
- D. Provide glucose supplementation
Correct Answer: A
Rationale: Placing the newborn under a radiant warmer helps raise body temperature and prevent complications.
What is the primary nursing concern for a mother receiving magnesium sulfate therapy?
- A. Monitor blood pressure every 4 hours
- B. Monitor deep tendon reflexes hourly
- C. Assess respiratory rate and effort
- D. Prepare for delivery if signs of toxicity appear
Correct Answer: B
Rationale: Monitoring reflexes detects early signs of magnesium toxicity.
The nurse is caring for a client in the second stage of labor. What assessment indicates that birth is imminent?
- A. Cervix is dilated to 8 cm.
- B. Fetal head is crowning.
- C. Contractions every 3–5 minutes.
- D. Client reports back pain.
Correct Answer: B
Rationale: Crowning occurs when the fetal head becomes visible at the vaginal opening, indicating that birth is imminent.