A nurse is assessing a newborn who was born at 42 weeks of gestation.
Which of the following findings should the nurse expect?
Copious vernix.
Dry, cracked skin.
Increased subcutaneous fat.
Scant scalp hair.
The Correct Answer is B
Choice A rationale
Copious vernix is typically found on preterm newborns, not those born post-term.
Choice B rationale
Dry, cracked skin is a common finding in post-term newborns due to prolonged exposure to amniotic fluid.
Choice C rationale
Decreased subcutaneous fat is more likely in preterm newborns, while post-term newborns might lose some fat due to nutrient depletion.
Choice D rationale
Scant scalp hair is more common in preterm infants, whereas post-term infants usually have more developed hair. .
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Correct Answer is D
Explanation
Choice A rationale
A rapid pulse is not typically associated with magnesium toxicity. Magnesium toxicity more commonly affects the nervous and muscular systems.
Choice B rationale
Tingling in toes can be a sign of early magnesium sulfate effects but not necessarily toxicity. It may indicate that the medication is starting to affect the nervous system.
Choice C rationale
Cool skin temperature is not a common sign of magnesium toxicity. Symptoms of magnesium toxicity are more related to neuromuscular and respiratory function.
Choice D rationale
Absent deep tendon reflexes are a key indicator of magnesium toxicity. This finding suggests that magnesium levels are high enough to depress neuromuscular function, requiring immediate medical intervention. .
Correct Answer is B
Explanation
Choice A rationale
Accidental lacerations are possible during a cesarean delivery, but they are typically managed quickly and are not the most critical issue immediately after birth.
Choice B rationale
Respiratory distress is the priority assessment for a newborn following a cesarean delivery because cesarean births can increase the risk of transient tachypnea or other respiratory complications due to the lack of labor-induced respiratory adaptation.
Choice C rationale
Hypothermia is a concern for all newborns, but respiratory distress takes precedence in the immediate post-delivery period, especially following cesarean delivery.
Choice D rationale
Acrocyanosis is a common and typically benign condition in newborns, not requiring immediate intervention compared to respiratory distress.