ATI Pediatrics Final Exam | Nurselytic

Correct Answer: B

Rationale: The correct answer is B: Preterm newborns lack adequate temperature control mechanisms. Preterm newborns have immature regulatory systems, making it difficult for them to maintain their body temperature. Placing them in an incubator helps regulate their temperature since they are unable to do so effectively on their own.

A: Preterm newborns actually have a larger body surface area to weight ratio, not smaller.
C: The heat in the incubator does not rapidly dry the sweat of preterm newborns; it helps in maintaining a stable temperature.
D: The added brown fat layer in preterm newborns actually helps in heat generation, not reduces it.

In summary, choice B is correct because preterm newborns lack the ability to regulate their temperature, while the other choices are incorrect as they do not align with the physiological needs of preterm infants.

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