Teratogens are substances or agents that can cause congenital abnormalities or birth defects in a developing embryo or fetus during pregnancy. What is a true statement about teratogens?
- A. Vitamins can help prevent abnormalities due to teratogens.
- B. Their impact on the fetus depends on factors such as timing and duration of exposure during pregnancy.
- C. They include only medications that a pregnant person may take.
- D. They can be avoided by immunizations.
Correct Answer: B
Rationale:
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What education should a nurse provide for safe sleeping practices for a newborn?
- A. Place the newborn in the prone position
- B. Use a firm mattress and avoid loose bedding
- C. Use a soft mattress and co-sleep with the baby
- D. Encourage side-lying sleeping position
Correct Answer: B
Rationale: Using a firm mattress and avoiding loose bedding reduces the risk of SIDS.
A nurse is caring for a client who is at 39 weeks of gestation and is in active labor. The nurse locates the fetal heart tones above the client's umbilicus at midline. The nurse should suspect that the fetus is in which of the following positions?
- A. Cephalic
- B. Transverse
- C. Posterior
- D. Frank breech
Correct Answer: A
Rationale: When the nurse locates the fetal heart tones above the client's umbilicus at midline, it indicates that the fetus is in a cephalic position. In this position, the baby's head is facing downward towards the birth canal, which is the optimal position for a vaginal delivery. This positioning is considered normal and favorable for childbirth.
The nurse is performing an assessment of a postpartum client. Which finding requires immediate action?
- A. Temperature of 100.4°F.
- B. Foul-smelling lochia.
- C. Fundus firm and midline.
- D. Breast tenderness on palpation.
Correct Answer: B
Rationale: Foul-smelling lochia may indicate an infection and requires prompt medical evaluation.
The nurse is caring for a client in the second stage of labor. What finding indicates readiness for delivery?
- A. Fetal head is at station 0.
- B. Contractions every 3–5 minutes.
- C. Fetal head is crowning.
- D. Cervix is dilated to 8 cm.
Correct Answer: C
Rationale: Crowning indicates that the fetal head is visible at the vaginal opening, signifying readiness for delivery.
The nurse is caring for a client in the second stage of labor. What finding indicates that birth is imminent?
- A. Cervix is fully dilated.
- B. Contractions every 2 minutes.
- C. Fetal heart rate of 140 beats/minute.
- D. Crowning is observed.
Correct Answer: D
Rationale: Crowning, or the appearance of the fetal head at the vaginal opening, indicates that birth is imminent.