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What is a core symptom of someone suffering from heat exhaustion?

  1. Coma

  2. Dry skin

  3. Elevated core body temperature

  4. Shortness of breath

The correct answer is: Elevated core body temperature

Contrary to what may be assumed, loss of consciousness (coma) is not a common symptom of heat exhaustion. Additionally, while dry skin may be an indication of dehydration caused by heat exhaustion, it is not a core symptom. Shortness of breath may be experienced, but it is not a primary symptom of heat exhaustion. Elevated core body temperature is a key characteristic of heat exhaustion and is caused by the body's inability to cool itself down in hot and humid conditions. This can lead to symptoms such as dizziness, fatigue, and nausea. Therefore, C is the best answer as it reflects the main symptom of heat exhaustion.