成人上颌窦窦腔的平均容积为() ["A．3mL","B．10mL","C．13mL","D．15mL","E．20mL"]
试述脊髓损伤患者早期用起立床站立训练的优点。
气管异物的临床表现应除外() ["A．咳嗽、憋气、窒息","B．声门下拍击声","C．症状暂时缓解","D．哮喘音","E．双肺呼吸音不一致"]
下列信号在咽喉部组织MRI成像时，正确的是() ["A．血管：TWI及TWI均为低信号","B．咽旁间隙：TWI及TWI均为高信号","C．鼻咽喉粘膜：TWI中等信号，TWI为较高信号","D．咀嚼肌、头长肌：TWI中等信号，TWI略低信号","E．咽喉部气体：TWI及TWI均为低信号"]
颞骨纵行骨折主要损伤() ["A．迷路","B．中耳","C．外耳","D．内听道","E．耳蜗"]
试述脊髓损伤患者功能性活动训练的基本原则。
