Matching Pairs Heat-Related Illnesses QuizOnline version Match the heat-related illness to its definition. by Todd Gicker 1 Heat Rash 2 Dehydration 3 Heat Exhaustion 4 Heat Cramps 5 Heat Stroke 6 Sunburn Red clusters of small blisters that look like pimples on the skin. Muscle cramps that occur during exercise in a hot environment, caused by dehydration. Excessive loss of body fluid A heat illness caused by the body overheating. A heat illness caused by the body inability to regulate its temperature. Painful, red, and warm skin.