In the Rule of Nines for adults, what percentage is assigned to the head?

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Study for the CIEMT Trauma and Assessment Exam. Utilize comprehensive flashcards and multiple choice questions with detailed hints and explanations. Enhance your preparedness and confidence for your upcoming exam!

Multiple Choice

In the Rule of Nines for adults, what percentage is assigned to the head?

Explanation:
In adults, the Rule of Nines assigns 9% of total body surface area to the head (together with the neck). This represents the proportional size of that region relative to the whole body, making 9% the correct estimate for the head. The rest of the body is divided as arms 9% each, legs 18% each, anterior trunk 18%, posterior trunk 18%, and the perineum 1%, totaling 100%. Note that in infants the head accounts for a larger share of TBSA, about 18%.

In adults, the Rule of Nines assigns 9% of total body surface area to the head (together with the neck). This represents the proportional size of that region relative to the whole body, making 9% the correct estimate for the head. The rest of the body is divided as arms 9% each, legs 18% each, anterior trunk 18%, posterior trunk 18%, and the perineum 1%, totaling 100%. Note that in infants the head accounts for a larger share of TBSA, about 18%.

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