# MEDICAL PHYSIOLOGY

## PHYSIOLOGY

### GENERAL PHYSIOLOGY

 Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In treating a burn patient, the “rule of nines” is used to estimate the
 A depth of the burn B surface area of the burn C degree and source of the burn D type of scar that will form
Explanation:

Detailed explanation-1: -The size of a burn can be quickly estimated by using the “rule of nines.” This method divides the body’s surface area into percentages. The front and back of the head and neck equal 9% of the body’s surface area. The front and back of each arm and hand equal 9% of the body’s surface area.

Detailed explanation-2: -The Rule of Nines is used to estimate the extent of burn damage by assigning certain body parts with pre-determined TBSA. According to the Rule of Nines, the head accounts for 9% TBSA. According to the Rule of Nines, the anterior torso, including the chest, accounts for 18% TBSA.

Detailed explanation-3: -In addition to determining burn severity, the measurement of burn surface area is important for estimating patients’ fluid requirements and determining hospital admission criteria. The rule of nines was devised by Pulaski and Tennison in 1947, and published by Alexander Burns Wallace in 1951.

Detailed explanation-4: -The Lund and Browder (LB) chart, which was developed in 19443, is the most broadly used tool worldwide to calculate the total body surface area of a burn.

Detailed explanation-5: -Why Is the Rule of Nines Helpful? The rule of nines gives an idea of how much of your total body’s surface area a burn takes up. This informs treatments based on the size and intensity of the burn injury. Emergency medical responders are some of the medical workers who use the rule of nines most.

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