The purpose of surfactant is to?
- A. Provide a heat source for the newborn.
- B. Assist the alveoli to remain open.
- C. Assist the ductus arteriosus to remain open.
- D. Provide energy to the newborn.
Correct Answer: B
Rationale: Surfactant reduces alveolar surface tension, preventing collapse and aiding gas exchange, critical for newborn respiration.
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A nurse who is caring for a newborn observes signs of respiratory distress, jitteriness, and lethargy. Which of the following actions should the nurse take?
- A. Place the newborn in a radiant warmer.
- B. Initiate phototherapy.
- C. Obtain blood glucose by heel stick.
- D. Measure the newborn's blood pressure.
Correct Answer: C
Rationale: Jitteriness and lethargy suggest hypoglycemia, making a blood glucose check the priority to guide treatment.
A mother who is holding her 2-hour-old newborn says, 'I don't think she likes breastfeeding, but last time, when we were in the delivery room, she did really well.' Which is the nurse's best response?
- A. Your milk isn't in yet. That is why she acts disinterested in eating.
- B. Let me help you get her to latch on. Once she takes hold, she'll be fine.
- C. After birth, babies go into a deep sleep, but when she wakes up, she'll be hungry.
- D. You just need to wake her up so she'll be alert and ready to eat.
Correct Answer: B
Rationale: Assisting with latching addresses breastfeeding difficulties directly, promoting effective feeding.
A nurse is caring for a newborn who is at 34 weeks of gestation, weighs 1,550 g, and has nasal flaring, intercostal retractions, expiratory grunting, and mild cyanosis. The nurse should place the newborn in an incubator for which of the following reasons?
- A. The newborn's temperature control mechanism is immature.
- B. Heat increases the flow of oxygen to the newborn's extremities.
- C. The newborn has a small body surface for his weight.
- D. Heat facilitates the drainage of mucus for a premature newborn.
Correct Answer: A
Rationale: Premature newborns have immature thermoregulation, making an incubator essential to maintain body temperature and prevent cold stress.
In a newborn infant, which of the following is the liver's job related to bilirubin?
- A. Changing conjugated bilirubin to unconjugated.
- B. Synthesis of vitamin K.
- C. Changing unconjugated bilirubin to conjugated bilirubin.
- D. Removal of meconium.
Correct Answer: C
Rationale: The liver conjugates unconjugated bilirubin, making it water-soluble for excretion, preventing jaundice buildup.
How many ounces is 30 ml?
- A. Half an ounce.
- B. Three.
- C. Two.
- D. One.
Correct Answer: D
Rationale: 30 mL equals approximately 1 ounce, critical for accurate medication and feeding calculations in newborns.