The nurse caring for an infant at risk for hypothermia knows that the function of brown adipose tissue (BAT) in a newborn is what?
Insulating the body against lowered environmental temperatures.
Protection for the infant from birth injuries.
Being available to be metabolized by body when heat is needed.
Providing a ready source of calories for the newborn.
The Correct Answer is C
A. BAT does not primarily act as insulation but as a heat source.
B. BAT is unrelated to protection from birth injuries.
C. Brown adipose tissue (BAT) is metabolized to generate heat through non-shivering thermogenesis, which is critical for newborns as they cannot shiver effectively.
D. While BAT does provide some energy, its main purpose is heat production, not calorie storage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Heart Rate: 108 bpm = 2 points, Respiratory Effort: Regular rate with a cry = 2 points, Muscle Tone: Some flexion = 1 point, Reflex Irritability: Vigorous cry with stimulation = 2 points, Color: Pink body, blue extremities (acrocyanosis) = 1 point: Total APGAR Score: 8
B. A. Heart Rate: 108 bpm = 2 points, Respiratory Effort: Regular rate with a cry = 2 points, Muscle Tone: Some flexion = 1 point, Reflex Irritability: Vigorous cry with stimulation = 2 points, Color: Pink body, blue extremities (acrocyanosis) = 1 point: Total APGAR Score: 8
C. A. Heart Rate: 108 bpm = 2 points, Respiratory Effort: Regular rate with a cry = 2 points, Muscle Tone: Some flexion = 1 point, Reflex Irritability: Vigorous cry with stimulation = 2 points, Color: Pink body, blue extremities (acrocyanosis) = 1 point: Total APGAR Score: 8
D. A. Heart Rate: 108 bpm = 2 points, Respiratory Effort: Regular rate with a cry = 2 points, Muscle Tone: Some flexion = 1 point, Reflex Irritability: Vigorous cry with stimulation = 2 points, Color: Pink body, blue extremities (acrocyanosis) = 1 point: Total APGAR Score: 8
Correct Answer is C
Explanation
A. The Ballard tool does not assess behavioral maturity directly.
B. The reflexes are part of the neuromuscular system, but the tool assesses both neuromuscular and physical maturity.
C. The Ballard assessment tool evaluates both neuromuscular maturity (such as posture, square window sign, arm recoil) and physical maturity (such as skin, ear form, breast tissue) in neonates to assess gestational age.
D. Reflexes are part of neuromuscular maturity, but the tool combines both neuromuscular and physical components.
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