PAEA Surgery End Of Rotation (EOR) Practice Exam

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In the Rule of 9's, what percentage is allocated to each upper limb?

18%
9%
4.5%
12%

The correct answer is: 9%

The Rule of 9's is a method used to estimate the total body surface area (TBSA) affected by burns in adults. In this system, each upper limb is allocated 9% of the total body surface area. This percentage is divided among the entire limb, including both the front and back. Specifically, each arm accounts for that 9%, reflecting the understanding that when assessing burn injury, it's crucial to have a clear method for evaluating the extent of burns relative to the entire body. Recognizing this percentage is vital for proper treatment decisions and fluid resuscitation protocols for burn victims. The simplicity of this rule helps healthcare providers quickly assess burn injuries in emergency situations.