Palmar surface of hand represents:: (A) 1% of total body surface area, (B) 2% of total body surface area, (C) 3% of total body surface area, (D) 4% of total body surface area
Answer is A. Ans. A: 1% of total body surface area The use of a patient's own hand as a tool to estimate the area of burn injury is well documented. The area of the palmar surface of one hand has been estimated to be 1 percent of the body surface area.