A nurse educator is teaching a group of student nurses regarding heat and cold injuries. Which statement will the nurse include about thermoregulation?
A) "Core temperature varies widely depending on the outside environment."
B) "The body's surface temperature remains relatively constant."
C) "Chemical thermogenesis occurs with the increase of cortisol."
D) "All muscle activity, regardless of location, produces heat."
Answer: D
All muscle activity, regardless of location, produces heat. Core temperature remains relatively constant, whereas the body's surface temperature varies widely depending on the outside environment. Chemical thermogenesis occurs with increased thyroxine output, not cortisol.
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