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
Explanation
Choice A rationale
Tone refers to uterine atony, the leading cause of postpartum hemorrhage. Tissue refers to retained placental fragments. Trauma includes lacerations or uterine rupture. Thrombin relates to coagulation disorders impacting clotting.
Choice B rationale
TOLAC (Trial of Labor After Cesarean) and thrombosis are unrelated to immediate hemorrhage management. Thrombosis generally involves venous clots, differing from thrombin, which concerns clotting factor deficiencies causing bleeding.
Choice C rationale
Tear and tolerance are non-specific terms lacking relevance to postpartum hemorrhage management. Time to search is impractical and unrelated to immediate intervention for hemorrhage or its causes.
Choice D rationale
"None of the above" is incorrect as the Four Ts (Tone, Tissue, Trauma, Thrombin) specifically address the primary causes of postpartum hemorrhage and are universally accepted in clinical guidelines.
Correct Answer is A
Explanation
Choice A rationale
Closed loop communication is essential in critical situations as it ensures that information is accurately sent, received, and confirmed, reducing errors by allowing team members to verify directives and actions.
Choice B rationale
Open-ended communication methods are prone to misinterpretations and delays in critical situations, making them unsuitable for ensuring precision and immediate understanding, as required in urgent medical scenarios.
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