问题
单项选择题
A client received burns to his entire back and left arm. Using the Rule of Nines, the nurse can calculate that he has sustained burns on what percentage of his body（）
A. 9%.
B. 18%.
C. 27%.
D. 36%.
答案
参考答案：C
解析：
According to the Rule of Nines, the posterior trunk, anterior trunk, and legs each make up 18% of the total body surface. The head, neck, and arms each make up 9% of the total body surface, and the perineum makes up 1%. In this case, the client received burns to his back (18%) and one arm (9%), totaling 27% of his body.