Of the following sites, which are used for obtaining a core temperature? (Select all that apply.)
a. Oral
b. Rectal
c. Tympanic
d. Axillary
e. Pulmonary artery
ANS: C, E
Intensive care units use the core temperatures of the pulmonary artery, esophagus, and urinary bladder. Because the tympanic membrane shares the same arterial blood supply as the hypothalamus, the tympanic temperature is a core temperature. Oral, rectal, axillary, and skin temperature sites rely on effective blood circulation at the measurement site.
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