Which of the following statements concerning heat stroke is not true?

In the context of heat stroke, the statement that perspiration increases is not true. Heat stroke occurs when the body's temperature regulation fails, leading to a dangerously high internal temperature, typically above 104°F (40°C).

During this condition, the body's ability to sweat becomes impaired, especially in cases where the heat stroke is a result of prolonged exposure to high heat and humidity, or if the individual suffers from dehydration. Instead of increasing perspiration, the body’s sweat glands may shut down, leading to dry skin, which is a concerning indicator of heat stroke. This can result in the skin becoming hot to the touch, as opposed to the cooling effect that perspiration typically provides.

The other statements accurately describe the symptoms associated with heat stroke. It is indeed an extremely serious condition that can lead to death if not treated promptly. A rapid pulse is common as the body works harder to cool itself and circulate blood, and the skin being hot is also a critical sign of the body's failure to dissipate heat effectively.