A nurse is caring for a newborn shortly after birth and places the newborn under a radiant warmer. Which of the following potential complications does this action help to prevent?
Cold stress
Thermogenesis
Shivering
Brown fat production
The Correct Answer is A
This action helps to prevent cold stress. This is because cold stress is a condition where the newborn's core temperature drops below 36.5°C and they use energy and oxygen to generate warmth. This can lead to hypoglycemia, metabolic acidosis, hypoxia, and an increased risk of infection.
Placing the newborn under a radiant warmer provides thermal stability and prevents heat loss by radiation.
Choice B is wrong because thermogenesis is the process of heat production, not a complication.
Choice C is wrong because shivering is a mechanism of heat production in adults, not in newborns.
Choice D is wrong because brown fat production is a normal feature of newborns that helps them generate heat by lipolysis.
Here is an image of a newborn under a radiant warmer.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Physiologic jaundice usually appears between the second and fourth day after birth and resolves by the second week. It is caused by the immature liver's inability to process bilirubin efficiently.
Correct Answer is C
Explanation
Notify the physician of a possible pulmonary embolism. This is because the client's symptoms suggest that she has a pulmonary embolism, which is a blockage of a blood vessel in the lungs often caused by blood clots that travel from the legs. Pulmonary embolism is a life-threateningcondition that requires immediate medical attention. The client may also have chest pain, coughing up blood, dizziness, or fainting.

Choice A is wrong because postpartum mucous membrane congestion does not cause fever, cough, or shortness of breath.
Choice B is wrong because an upper respiratory infection does not cause edema and redness along the saphenous vein.
Choice D is wrong because an antipyretic remedy does not treat the underlying cause of the fever and may mask the severity of the condition.
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