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.

Answer and Explanation

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.

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Correct Answer is C

Explanation

Choice A reason:

Acrocyanosis (choice A) is a common and relatively normal finding in newborns, especially in the first few days of life. It refers to the bluish discoloration of the hands and feet due to peripheral vasoconstriction. Acrocyanosis alone does not necessarily indicate significant difficulty with oxygenation and is usually a transient and benign condition.

Choice B reason:

A respiratory rate of 54 breaths/minute (choice B) is within the normal range for a newborn. The normal respiratory rate for a newborn can range from 30 to 60 breaths per minute. While an abnormal respiratory rate outside this range may be a concern, a rate of 54 breaths/minute is not indicative of significant oxygenation difficulty by itself.

Choice C reason:

Nasal flaring in a newborn is a concerning sign that suggests the baby is experiencing difficulty with oxygenation. When a newborn is having trouble getting enough oxygen, they may instinctively open their nostrils wider (nasal flaring) to increase the airflow into the nose and improve oxygen intake. This is a compensatory mechanism to overcome respiratory distress and is often seen in newborns with respiratory problems. Nasal flaring is an important clinical sign that indicates the baby may be struggling to breathe adequately and requires further evaluation and intervention by the healthcare team.

Choice D reason:

Abdominal breathing (choice D) is a normal breathing pattern in newborns. Newborns predominantly use their diaphragm to breathe, which results in abdominal movements during respiration. This is a normal and expected finding in healthy newborns and does not necessarily suggest oxygenation problems.

A. immunizations for high-risk infants and children. B. screening for infants with developmental disorders. C. supplemental food supplies to low-income pregnant or breastfeeding women. D. well-child examinations for infants and children living at the poverty level.

Correct Answer is C

Explanation

Choice A reason:

This is incorrect because WIC does not provide immunizations for high-risk infants and children. Immunizations are provided by other health care services, which WIC may refer participants to.

Choice B reason:

This is incorrect because WIC does not screen for infants with developmental disorders. WIC provides nutrition education and referrals to other health and social services but does not diagnose or treat any medical conditions.

Choice C reason:

This is correct because WIC provides supplemental food supplies to low-income pregnant or breastfeeding women, as well as infants and children up to age 5 who are at nutritional risk. The food packages are designed to meet the special nutritional needs of the participants and include items such as fruits, vegetables, milk, cheese, cereal, bread, juice, peanut butter, eggs, and infant formula.

Choice D reason:

This is incorrect because WIC does not provide well-child examinations for infants and children living at the poverty level. WIC may refer participants to other health care services that provide such examinations but do not conduct them themselves.

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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?

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Explanation

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Explanation

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