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?

Shivering.

Cold stress.

Brown fat production.

Basal metabolic rate reduction.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Shivering is not a primary concern for newborns as they have limited ability to shiver. Instead, they rely on non-shivering thermogenesis to maintain body temperature.

Choice B rationale

Cold stress is a significant concern for newborns as it can lead to hypothermia, increased oxygen consumption, and metabolic acidosis. Placing a newborn under a radiant heat warmer helps maintain their body temperature and prevent cold stress.

Choice C rationale

Brown fat production is a natural process in newborns that helps generate heat. However, the primary purpose of using a radiant heat warmer is to prevent cold stress, not to stimulate brown fat production.

Choice D rationale

Basal metabolic rate reduction is not the primary concern. The focus is on preventing cold stress and maintaining the newborn’s body temperature.

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Correct Answer is B

Explanation

Choice A rationale

Administering only the Hepatitis B vaccine within 1 hour of birth is not sufficient for a newborn born to a Hepatitis B positive mother. The newborn also needs Hepatitis B immunoglobulin (HBIG) to provide immediate passive immunity.

Choice B rationale

Administering both the Hepatitis B vaccine and Hepatitis B immunoglobulin (HBIG) within 12 hours of delivery is the recommended practice for newborns born to Hepatitis B positive mothers. This provides both active and passive immunity.

Choice C rationale

Administering only Hepatitis B immunoglobulin (HBIG) within 12 hours of birth is not sufficient. The newborn also needs the Hepatitis B vaccine to develop long-term immunity.

Choice D rationale

Administering Hepatitis B immunoglobulin (HBIG) within 12 hours, followed by monthly Hepatitis B vaccines for 12 months, is not the standard practice. The newborn should receive the Hepatitis B vaccine series according to the recommended schedule. .

A. A newborn who is 12 hours post-delivery and has a temperature of 37.0°C (98.6°F). B. A newborn who is 27 hours post-delivery and has not voided. C. A newborn who is 18 hours post-delivery and has not passed meconium. D. A newborn who is 18 hours post-delivery and has acrocyanosis.

Correct Answer is B

Explanation

Choice A rationale

A newborn with a temperature of 37.0°C (98.6°F) is within the normal range for newborns and does not require immediate intervention.

Choice B rationale

A newborn who has not voided within 27 hours post-delivery requires immediate intervention. Newborns should void within the first 24 hours of life. Failure to void may indicate dehydration, urinary tract obstruction, or renal issues.

Choice C rationale

A newborn who has not passed meconium within 18 hours post-delivery is concerning but not as urgent as not voiding. Newborns typically pass meconium within the first 24-48 hours.

Choice D rationale

Acrocyanosis, or bluish discoloration of the hands and feet, is common in newborns and usually resolves on its own. It does not require immediate intervention.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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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?