Which of the following is a key assessment criteria for heat exhaustion?

In assessing heat exhaustion, a key criterion involves monitoring the body temperature of the affected individual. While heat exhaustion can lead to various symptoms, a core aspect of this condition is that the body temperature typically remains elevated but is often below 40°C (104°F). Recognizing a body temperature exceeding 38°C can indicate that the individual is experiencing heat stress, which aligns with the progression towards heat exhaustion.

Other symptoms of heat exhaustion include weakness, heavy sweating, and potentially an elevated heart rate, but not necessarily high blood pressure or unconsciousness, as these are more indicative of heat stroke—a more severe condition. Thus, identifying a body temperature above 38°C serves as a critical warning sign in the context of heat exhaustion, making it an essential aspect of the assessment process.