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 D
Explanation
Choice A rationale
A soft uterus indicates uterine atony, a complication rather than a normal finding. Daily fundal palpation ensures involution but should result in a firm, not soft, uterus.
Choice B rationale
Passage of clots is common postpartum, but ongoing monitoring for excessive clotting is crucial as it may indicate retained placental fragments or incomplete uterine involution.
Choice C rationale
Decreased lochia does not indicate complications unless it is completely absent, which may suggest uterine or cervical obstruction and warrants further evaluation.
Choice D rationale
Increased lochia or bright red bleeding signifies secondary postpartum hemorrhage, often caused by retained placental tissue or subinvolution, requiring immediate medical attention.
Correct Answer is B
Explanation
Choice A rationale
Maternal mortality in the United States is among the highest in industrialized nations, with rates significantly exceeding those of comparable countries due to systemic healthcare disparities and limited access to care.
Choice B rationale
The United States has a maternal mortality rate of approximately 18.6 deaths per 100,000 live births, which is higher than other industrialized nations, where rates are often below 10 deaths per 100,000 live births.
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