What is the purpose of placing a newborn under a radiant heat warmer after birth?
To prevent basal metabolic rate reduction.
To stimulate brown fat production.
To maintain body temperature.
To prevent hypothermia.
The Correct Answer is C
Choice A rationale
Placing a newborn under a radiant heat warmer after birth does not directly prevent basal metabolic rate reduction. The primary function of a radiant heat warmer is to maintain the newborn’s body temperature and prevent hypothermia.
Choice B rationale
While brown fat production is a mechanism used by newborns to generate heat, placing a newborn under a radiant heat warmer does not stimulate brown fat production.
Choice C rationale
The primary purpose of placing a newborn under a radiant heat warmer after birth is to maintain the newborn’s body temperature. Newborns can lose heat rapidly, as they have a
large surface area compared to their body weight. The radiant heat warmer provides a controlled environment that helps maintain the newborn’s body temperature.
Choice D rationale
Preventing hypothermia is a key reason for placing a newborn under a radiant heat warmer. However, the direct purpose of the warmer is to maintain the newborn’s body temperature.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
A displaced fundus from the midline in a postpartum client can indicate a full bladder, which can interfere with uterine contraction and lead to excessive bleeding. This is a serious
condition that requires immediate attention to prevent further complications such as postpartum hemorrhage.
Choice B rationale
A fundal height below the umbilicus is a normal finding in a postpartum client. The uterus normally decreases in size after delivery, and the fundus is typically located at or below the level of the umbilicus within 24 hours postpartum.
Choice C rationale
Increased urine output is a normal physiological response after delivery. During pregnancy, there is an increase in blood volume that leads to increased fluid in the body. After delivery, the body eliminates this extra fluid through increased urine output.
Choice D rationale
A decreased urge to void can be a normal finding in the immediate postpartum period due to decreased bladder sensitivity from the trauma of childbirth or epidural anesthesia. However, it’s important for the nurse to monitor this because urinary retention can lead to bladder distention and uterine atony, increasing the risk of postpartum hemorrhage.
Correct Answer is B
Explanation
Choice A rationale
While the hepatitis B vaccine is an important part of preventing hepatitis B infection, it is not typically given on a monthly basis until the newborn tests negative for the hepatitis B surface antigen. Instead, the vaccine is usually given in a series of three to four doses over a six-month period.
Choice B rationale
For newborns who test positive for the hepatitis B surface antigen, the current recommendation is to administer both the hepatitis B immune globulin (HBIG) and the
hepatitis B vaccine within 12 hours of birth. The HBIG provides immediate, short-term protection against the virus, while the vaccine stimulates the newborn’s immune system to provide long-term protection.
Choice C rationale
While the hepatitis B immune globulin (HBIG) and the hepatitis B vaccine are both important for preventing hepatitis B infection in newborns, they are not typically administered in the manner described in this choice. The HBIG is usually given once, within 12 hours of birth, while the vaccine is given in a series of three to four doses over a six-month period.
Choice D rationale
The hepatitis B vaccine is typically given within 24 hours of birth, but it is not followed by doses of the hepatitis B immune globulin (HBIG) every 12 hours for three days. Instead, a single dose of HBIG is usually given within 12 hours of birth, along with the first dose of the vaccine.
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