The patient has a temperature of 105.2° F. The nurse is attempting to lower temperature by providing tepid sponge baths and placing cool compresses in strategic body locations. Which technique is the nurse using to lower the patient's temperature?
a. Radiation
b. Conduction
c. Convection
d. Evaporation
ANS: B
Applying an ice pack or bathing a patient with a cool cloth increases conductive heat loss because of the direct contact. Radiation is the transfer of heat from the surface of one object to the surface of another without direct contact between the two. Evaporation is the transfer of heat energy when a liquid is changed to a gas. Convection is the transfer of heat away from the body by air movement.
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