When a person is suffering form high fever, it is sometimes observed that the skin has a reddish tinge. Why does this happen?

Red colour of the skin radiates more heat.

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Fever causes the release of a red pigment in the skin.

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There is more blood circulation to the skin to keep the body warm.

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There is more blood circulation to the skin to release heat from the body.

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Solution

The correct option is D There is more blood circulation to the skin to release heat from the body.
When the temperature of the body rises above the normal which is 37 to 38°C, it is known as fever. However, body temperature between 37.5°C and 38.2°C is known as a low-grade fever. A high-grade fever is present when the oral temperature is above 38.2°C. rises above normal. Signs and symptoms of fever include a headache, excessive sweating, rapid heartbeat or palpitations, skin flushes or hot skin. Sometimes, it is observed that the skin of the person suffering from fever becomes red. This is because there is more blood circulation to the skin to release more heat from the body.

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