Question

1. what is the primary cause of heat - related illnesses? consuming too much water. prolonged exposure to heat or direct sunlight. eating salty foods in hot weather. overdressing in cold temperatures. 2. which of the following is a symptom of heat cramps? painful muscle spasms in the legs, arms, or abdomen. high body temperature. fainting. dry and hot skin. 3. what is the key difference between heat exhaustion and heatstroke? heat exhaustion does not involve sweating. heatstroke occurs only in children. heatstroke is a life - threatening condition, while heat exhaustion is not. heat exhaustion is more severe than heatstroke.

Explanation:

1. Heat - related illnesses are mainly caused by being exposed to heat or sunlight for a long time. Consuming too much water is not a cause, eating salty foods in hot weather is not the primary cause, and overdressing in cold temperatures is unrelated.
2. Heat cramps are characterized by painful muscle spasms in the legs, arms, or abdomen. High body temperature is more related to heat exhaustion or heatstroke, fainting is a symptom of more advanced heat - related problems, and dry and hot skin is a sign of heatstroke.
3. Heatstroke is a life - threatening condition where the body's temperature regulation fails, while heat exhaustion is a less severe condition with symptoms like heavy sweating, weakness etc. Heat exhaustion involves sweating, heatstroke can occur in people of all ages, and heatstroke is more severe than heat exhaustion.

Answer:

1. Prolonged exposure to heat or direct sunlight.
2. Painful muscle spasms in the legs, arms, or abdomen.
3. Heatstroke is a life - threatening condition, while heat exhaustion is not.