A newborn is lethargic and feeding poorly and has vomiting and diarrhea. Infection is suspected, but the infant's temperature is normal. What is the best explanation for this?
a. The newborn may have a food allergy.
b. The newborn may have hypothermia due to lack of subcutaneous fat.
c. Because of immature thermoregulation, newborns may have no fever with infections.
d. The newborn's temperature is typically low, so a "normal" reading may reflect an elevation.
ANS: C
Because the thermoregulatory center in the newborn's brain is immature, the newborn commonly has low body temperature with an infection; however, newborns may also demonstrate temperature instability and fever.
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