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 B
Explanation
Prevent infection of the eyes from vaginal bacteria. This is because some newborns can be exposed to bacteria such as gonorrhea or chlamydia during delivery, which can cause a serious eye infection called gonococcal ophthalmia neonatorum (GON). Applying an antibiotic ointment such as erythromycin or ilotycin can prevent GON and other less severe eye infections by killing the bacteria.
Choice A is not correct because the umbilical cord does not need antibiotic ointment to prevent infection. It should be kept clean and dry until it falls off naturally.
Choice C is not correct because the tear ducts are not affected by vaginal bacteria. They are small tubes that drain tears from the eyes to the nose.
Choice D is not correct because the urethra is not a common site of infection for newborns. The urethra is the tube that carries urine from the bladder to the outside of the body.
Correct Answer is D
Explanation
Massage the client’s fundus. This is because the most common cause of postpartum hemorrhage is uterine atony, which is the failure of the uterus to contract after delivery. Massaging the fundus can stimulate uterine contractions and reduce bleeding by compressing the blood vessels at the placental site.
Choice A is not correct because administering oxytocin is not the first action to take. Oxytocin is a medication that can also help the uterus contract, but it should be given after assessing the uterine tone and bleeding.
Choice B is not correct because observing for pooling of blood under the buttocks is not a priority action. It can help estimate the amount of blood loss, but it does not address the cause of bleeding or stop it.
Choice C is not correct because checking the client’s blood pressure is not the first action to take. Blood pressure can indicate hypovolemia due to blood loss, but it is not a sensitive indicator and may remain normal until a significant amount of blood is lost.
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