取放无菌持物钳的正确方法是() ["A．钳端平行","B．钳端向上闭合","C．钳端向下闭合","D．钳端向上张开","E．钳端向下张开"]
华勒变性
dying back neuropathy
["
如图D中1所示手掌皮肤感觉区为上肢哪根神经()如图D中2所示手掌皮肤感觉区为上肢哪根神经()如图D中3所示手掌皮肤感觉区为上肢哪根神经()A．肌皮神经","B．尺神经","C．腋神经","D．正中神经","E．桡神经"]
用甲醛进行熏蒸消毒时，需要加入的氧化剂是() ["A．氯化钾","B．溴化钾","C．草酸钾","D．高锰酸钾","E．氢氧化钾"]
如图E中1所示皮肤感觉区的脊髓中枢()如图E中2所示皮肤感觉区脊髓中枢()如图E中3所示皮肤感觉区脊髓中枢()
