A nurse places a newborn under a radiant heat warmer after birth. The purpose of this action is to prevent which of the following in the newborn?
Basal metabolic rate reduction.
Brown fat production.
Shivering.
Cold stress.
The Correct Answer is D
Choice A reason:
Basal metabolic rate reduction. This is incorrect because a newborn under a radiant heat warmer will have an increased basal metabolic rate, not a reduced one. The basal metabolic rate is the amount of energy the body uses at rest, and it is influenced by temperature. A warmer environment will stimulate the newborn's metabolism and increase the energy expenditure. • Choice B reason:
Brown fat production. This is incorrect because a newborn under a radiant heat warmer will have less need for brown fat production, not more. Brown fat is a type of fat tissue that generates heat by burning calories. It is found in newborns and helps them maintain their body temperature in cold environments. A warmer environment will reduce the need for brown fat activation. • Choice C reason:
Shivering. This is incorrect because a newborn under a radiant heat warmer will not shiver, but shivering is not the main mechanism of heat production in newborns. Shivering is an involuntary contraction of muscles that generates heat by increasing metabolism. Newborns have limited ability to shiver because of their immature nervous system and low muscle mass. They rely more on brown fat and increased metabolic rate to produce heat. • Choice D reason:
Cold stress. This is correct because a newborn under a radiant heat warmer will prevent cold stress, which is a condition where the newborn's body temperature drops below normal and causes adverse effects. Cold stress can impair oxygen delivery, increase acidosis, decrease blood glucose, and increase the risk of infection and bleeding. A radiant heat warmer provides a neutral thermal environment for the newborn and prevents heat loss by radiation.
: 1 : 2 : 3 : 4.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
Lochial color changes from rubra to alba in the early postpartum period is a normal event. Lochia is the vaginal discharge that occurs after childbirth, and it progresses from bright red (rubra) to pink or brownish (serosa) to whitish-yellow (alba) as the days pass.
Choice B reason:
Extreme hunger and thirst in the early postpartum period may indicate abnormal blood sugar levels and can be a sign of gestational diabetes or other metabolic disorders. It requires further evaluation and monitoring by healthcare providers.
Choice C reason:
Diuresis (increased urination) and diaphoresis (increased sweating) are normal events in the early postpartum period. After childbirth, the body eliminates excess fluid that was retained during pregnancy, leading to increased urination and sweating.
Choice D reason:
Flatulence (passing gas) and constipation can be normal events in the early postpartum period due to the body recovering from the effects of labor, changes in diet, and the use of pain medications during childbirth.
Correct Answer is C
Explanation
Choice A reason:
While positioning is important for comfort during labor, addressing the immediate urge to push takes priority. Panting during contractions is the appropriate action.
Choice B reason:
Although observing for crowning is important when the client is close to delivery, the nurse should first intervene to address the client's urge to push since the client is only 7 cm dilated.
Choice C reason:
When a laboring client feels the urge to push but is not yet fully dilated (10 cm), encouraging her to pant can help reduce the urge to push and avoid complications, such as cervical swelling or tearing. This breathing technique helps the client delay pushing until full dilation and readiness of the cervix.
Choice D reason:
Assisting the client to the bathroom would not be appropriate at this stage of labor because the urge to push could lead to unsafe delivery outside the appropriate setting, and movement could increase discomfort or risks.
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