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 C
Explanation
Administer low concentrations of oxygen. Retinopathy of prematurity (ROP) is a disease of retinal vascular and capillary proliferation affecting premature infants undergoing oxygen therapy. Oxygen treatment results in pathologic growth of vessels in the developing retina that may lead to permanent damage to the retina as well as retinal detachment and macular folds. Administering low concentrations of oxygen can help prevent ROP by reducing the oxygen-induced vasoconstriction and vascular endothelial growth factor (VEGF) expression.
Choice A is not correct because keeping the infant's eyes covered at all times does not prevent ROP. In fact, it may increase the risk of infection or injury to the eyes.
Choice B is not correct because positioning with the head slightly lower than the body does not prevent ROP. It may increase the intracranial pressure and affect the cerebral blood flow.
Choice D is not correct because monitoring arterial oxygen levels with a pulse oximeter does not prevent ROP. It is a useful tool to guide oxygen therapy, but it does not directly affect retinal vascular development.
Correct Answer is B
Explanation
Sudden infant death syndrome (SIDS) is the sudden and unexplained death of an infant under one year of age. SIDS is more likely to occur when infants sleep on their stomachs or sides, or when they are propped up with pillows or other soft bedding. These positions can interfere with the infant's breathing and increase the risk of suffocation or overheating .
Choice A is incorrect because gastroesophageal reflux (GER) is a common condition in infants that causes them to spit up frequently after feeding. GER does not increase the risk of SIDS and can be managed by feeding smaller amounts, burping the infant often, and keeping them upright for a while after feeding.
Choice C is incorrect because apnea episodes are brief pauses in breathing that occur normally in infants, especially during sleep. Apnea episodes do not increase the risk of SIDS and usually resolve by six months of age.
Choice D is incorrect because sleeping for short intervals is normal for newborns, who need to feed frequently during the day and night. Sleeping for short intervals does not increase the risk of SIDS and will gradually change as the infant grows older.
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