Joan is 45 years old and feels hot. she gets red, begins to sweat, and then she feels chills. the symptom joan is experiencing is

Joan is 45 years old and feels hot. She gets red, begins to sweat, and then she feels chills. The symptom joan is experiencing is  fever.

Explanation:

Fever is a condition where the body temperature, which usually ranges from 36°C to 37.8°C, exceeds 38°C.

Fever is sometimes used as a synonym for elevated body temperature (hyperthermia). However, in a more severe sense, fever refers only to elevated body temperature in cases where the thermoregulation is functioning, that is, for example in infections and inflammations. Fever responds to antipyretic drugs, produces chills, but does not respond to body cooling.

Fever is often accompanied by a general feeling of being unwell, concentration problems, tiredness and sleepiness, a redness and lack of appetite. Emerging fever is accompanied by pale skin, shivering and chattering teeth. When one is in a warm environment or the fever has reached its maximum, one will turn red and sweat.

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