The nurse quickly dries the newborn after delivery. This is to conserve the newborn's body heat by preventing heat loss through which method?
a. Radiation
b. Conduction
c. Convection
d. Evaporation
ANS: D
Evaporation is the loss of heat through moisture. The newborn should be quickly dried of the amniotic fluid. Radiation is the loss of heat to a cooler solid object. The cold air from either the window or the air conditioner will cool the walls of the incubator and subsequently the body of the newborn. Conduction involves the loss of heat from the body because of direct contact of the skin with a cooler object. Convection is similar to conduction but is the loss of heat aided by air currents.
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