Nokea
Which of the following is not true of the ovaries?
- A. They are located on either side of the uterus.
- B. They are attached to the mesovarial ligament.
- C. They are attached to the uterine ducts.
- D. All of the above statements are true of the ovaries.
Correct Answer: C
Rationale: The ovaries are not attached to the uterine ducts.
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Methylergonovine (Methergine®) may be administered to a woman after delivery in order to
- A. promote uterine contractions
- B. relieve pain and discomfort
- C. reduce maternal hypertension
Correct Answer: A
Rationale: Methylergonovine stimulates uterine contractions to control postpartum bleeding.
The medulla of the ovary contains:
- A. Theca cells
- B. Granulosa cells
- C. Blood vessels and lymphatics
- D. Both A and B.
Correct Answer: C
Rationale: The medulla of the ovary contains blood vessels and lymphatics.
During which phase of the ovarian cycle is progesterone circulating in high amounts?
- A. Proliferative phase
- B. Menstrual phase
- C. Ovulatory phase
- D. Luteal phase
Correct Answer: D
Rationale: During the luteal phase, the corpus luteum forms from the ruptured follicle after ovulation and secretes progesterone at high levels. Progesterone prepares the endometrium for implantation and maintains pregnancy. The proliferative phase (A) is characterized by estrogen dominance, preparing the endometrium for ovulation. The menstrual phase (B) involves shedding of the endometrium due to decreased hormone levels. The ovulatory phase (C) is marked by the release of the egg but not high progesterone levels. Thus, the correct answer is D as it aligns with the physiological events of the ovarian cycle.
Parents of newborn infants are instructed to place infants on their back to sleep to decrease the risk of
- A. gastroesophageal reflux (GERD)
- B. sudden infant death syndrome (SIDS)
- C. bronchiolitis
Correct Answer: B
Rationale: Back sleeping significantly reduces the risk of SIDS.
Immediately after an uncomplicated delivery without meconium, a full-term newborn is warmed, dried, suctioned, and positioned appropriately but has a heart rate of 80 beats/min. According to neonatal resuscitation guidelines, the next step in managing this infant is
- A. positive-pressure ventilation
- B. chest compression
- C. epinephrine administration
Correct Answer: A
Rationale: A heart rate below 100 beats/min in a newborn requires positive-pressure ventilation to support breathing and increase heart rate.