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.
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 D
Explanation
Choice A rationale
A respiratory rate of 110/min is too high for a newborn and may indicate respiratory distress.
Choice B rationale
A respiratory rate of 100/min is also too high for a newborn and may indicate respiratory distress.
Choice C rationale
A respiratory rate of 24/min is too low for a newborn and may indicate respiratory depression.
Choice D rationale
The normal respiratory rate for a newborn is between 30 to 60 breaths per minute. A rate of 60/min is within this range.
Correct Answer is A
Explanation
Choice A rationale
Placing a baby on their back to sleep significantly reduces the risk of SIDS. This position helps keep the airway open and reduces the risk of suffocation.
Choice B rationale
There is no direct correlation between SIDS and the diphtheria, tetanus, and pertussis vaccines. Vaccines are safe and do not increase the risk of SIDS3.
Choice C rationale
SIDS rates have actually decreased over the last 10 years, largely due to public health campaigns promoting safe sleep practices.
Choice D rationale
Sleep apnea is not the main cause of SIDS. The exact cause of SIDS is unknown, but it is believed to be related to defects in the brain that control breathing and arousal from sleep.