North Carolina EMT State Practice Exam

During a heat stroke, what is a key characteristic compared to heat exhaustion?

1. Increased sweating

2. High temperature with continued sweating

3. High temperature with cessation of sweating

4. Normal temperature with fainting

The correct answer is: High temperature with cessation of sweating

In the case of heat stroke, a key characteristic is the high body temperature combined with the cessation of sweating. This indicates a severe overheating of the body, where the thermoregulatory mechanisms have failed. Unlike heat exhaustion, which typically presents with elevated body temperature and profuse sweating as the body struggles to cool down, heat stroke signifies a critical failure in heat regulation. In heat stroke, the internal body temperature can climb to dangerous levels, usually above 104°F (40°C), and the body stops sweating, which significantly hampers its ability to cool itself. This lack of sweating along with the high temperature is why heat stroke is considered a medical emergency, as it can lead to vital organ damage or death if not promptly treated. Understanding these differentiating factors is essential for effective assessment and intervention in emergency situations. It is crucial for first responders and healthcare providers to recognize heat stroke quickly to implement the necessary cooling measures and medical support.