Question 229
HardOriginal questionThe body cools itself mainly by sweating. But in very hot and weather, that cooling system can be . If the body heats up faster than it can cool down, or loses too much water and salt through sweating, its temperature rises, and a person can fall ill.
Heat illness often comes in stages. The first warning may be heat cramps: painful muscle cramps, usually in the legs or stomach, with heavy sweating. Resting, gently massaging the muscle and taking small sips of water can help.
If the body keeps heating, heat exhaustion can follow. The person may sweat heavily and feel weak, dizzy or sick, with cool, pale, skin and a fast, weak . They should be moved somewhere cooler, their clothing loosened, and cool, wet cloths put on their skin.
The most dangerous stage is heat stroke. The body's temperature rises above about 39.5 degrees Celsius. The person may have a throbbing headache, become confused, faint or lose consciousness, and their skin may be hot and red. Heat stroke is a medical emergency: the person must get to a hospital immediately, because delay can be .
Which sign is described for heat stroke but NOT for heat exhaustion?
Show the answer and explanation
Correct answer: C
Explanation
For heat stroke, the passage says "their skin may be hot and red". For heat exhaustion, the skin is "cool, pale, clammy".
Worth noting
Heavy sweating and feeling dizzy are listed for heat exhaustion, which is why they are not the answer.
- Concept
- Comparing two similar descriptions
- Typical timeTypical
- 50 s
- Your timeYours
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