单选题新生儿硬肿症最先出现硬肿的部位是（）A面颊部B上肢C躯干D小腿E臀部
单选题
新生儿硬肿症最先出现硬肿的部位是（）
A
面颊部
B
上肢
C
躯干
D
小腿
E
臀部
参考解析
解析：
硬肿发生的顺序是小腿→大腿外侧→下肢→臀部→面颊→上肢→全身。
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