Which statement about heat stroke is true?

Heat stroke is a severe heat-related illness that occurs when the body's temperature regulation fails and the body temperature rises to dangerous levels, often above 104°F (40°C). One of the hallmark signs of heat stroke is a lack of sweating, despite the high temperature. In fact, as the body's temperature rises, the sweating mechanism can become compromised, leading to dry skin, which is a significant and alarming indicator of heat stroke.

When a person is in a state of heat stroke, the body is unable to cool itself effectively, resulting in various serious symptoms, including confusion, unconsciousness, or even organ failure. The lack of sweat is often confused with other heat-related issues, but it specifically highlights the body's failure to manage overheating in this critical state, making it a crucial detail for recognizing heat stroke.

In contrast, excessive sweating typically indicates heat exhaustion rather than heat stroke, and confusion or disorientation suggests a more serious condition rather than a mild illness. Finally, while high humidity can contribute to heat-related illnesses, heat stroke can occur in varying environmental conditions, not solely in humid settings.