Question

a wet bandage is placed on the forehead of a person suffering from high fever

Answer 1

it is placed so as to cool down the body temperature so that the fever doesnt reach the brain and nerves

Answer 2

this is because the wet bandage is cool and when it is placed on the forehead of the person suffering from fever it absorbs heat of the ill body and hence the body temperature is maintained.

hope it help you...

^_^