皮皮学，免费搜题
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搜题
【单选题】
正中神经损伤主要表现为A.
手指疼痛麻木，苍白或发绀，冰冷
B.
手指麻木，上肢肌力减退，霍夫曼征(+)
C.
第4、第5指不全，夹纸试验(+)，小指及环指尺侧感觉减退
D.
第1、第2指困难，拇指不能对掌
E.
腕下垂，拇指不能外背伸
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皮皮学刷刷变学霸
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A.
taller
B.
stronger
C.
heavier
D.
All of the above
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