The parents of a 30-week preterm infant ask the nurse why the baby can get cold so easily. The nurse explains:
Preterm neonates shiver to retain heat.
Preterm neonates lie in a fetal position.
Preterm neonates’ blood vessels are deeper under the surface of their skin.
Preterm neonates have minimal body fat to retain body heat.
The Correct Answer is D
Choice A rationale
Preterm neonates lack developed mechanisms to shiver for thermogenesis, relying instead on non-shivering thermogenesis primarily through brown fat metabolism, which is underdeveloped in preterm infants.
Choice B rationale
The fetal position does not significantly affect heat retention in preterm neonates, as their thermoregulatory mechanisms depend on adequate fat stores and skin coverage.
Choice C rationale
Blood vessels in preterm neonates are closer to the skin's surface, increasing heat loss due to greater exposure and lack of insulating subcutaneous fat.
Choice D rationale
Preterm neonates have minimal body fat, impeding insulation and heat retention, leading to rapid heat loss, necessitating external warming measures like incubators or radiant warmers.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
Choice A rationale
Postpartum hemorrhage may occur weeks after delivery due to subinvolution of the uterus or retained placental fragments. Educating about late risks ensures patients monitor symptoms and seek timely care.
Choice B rationale
Breastfeeding is encouraged even after postpartum hemorrhage as it helps stimulate uterine contractions, reducing bleeding risk. Recommending avoidance could delay recovery and is scientifically unsupported unless contraindicated.
Choice C rationale
Oxytocin may be prescribed for ongoing uterine atony or to prevent late postpartum hemorrhage. It is essential to educate patients about its purpose and correct administration for safety and effectiveness.
Choice D rationale
Saturating a peri-pad within 1 hour may indicate active bleeding. Reporting this promptly ensures swift intervention to prevent further complications, aligning with standard postpartum care protocols.
Choice E rationale
Postpartum hemorrhage is not limited to 24–48 hours after birth; late-onset hemorrhage, occurring up to weeks later, is a known complication. Misleading patients with this incorrect timeframe can delay critical interventions.
Correct Answer is C
Explanation
Choice A rationale
Projectile vomiting is not a typical symptom of diaphragmatic hernia. This condition primarily affects respiratory function due to lung compression by abdominal organs in the chest cavity.
Choice B rationale
High-pitched crying is not a hallmark symptom of diaphragmatic hernia. The condition primarily presents with respiratory distress due to lung underdevelopment and organ displacement.
Choice C rationale
Respiratory distress occurs due to lung compression and underdevelopment caused by abdominal organs herniating into the chest cavity. This is a primary symptom observed in diaphragmatic hernia cases.
Choice D rationale
Fecal incontinence is unrelated to diaphragmatic hernia. The condition primarily impacts respiratory function due to the displacement of abdominal organs into the thoracic cavity.
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