问题
单项选择题
机体自身御寒反应减慢体表降温速度最主要的原因是（）
A.肌肉产热增加
B.末梢血管收缩
C.热屏障增加
D.内分泌反应增强
E.内脏产热增加
答案
参考答案：B
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机体自身御寒反应减慢体表降温速度最主要的原因是（）
A.肌肉产热增加
B.末梢血管收缩
C.热屏障增加
D.内分泌反应增强
E.内脏产热增加
参考答案：B
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