确诊骨肉瘤的根据为()确诊骨巨细胞瘤的根据为() ["A．临床表现","B．血管造影","C．活组织检查","D．X线摄片","E．血碱性磷酸酶的测定"]
根据颈椎的生物力学特性，最易发生颈椎退变的节段是() ["A．颈2～3","B．颈3～4","C．颈4～5","D．颈5～6","E．颈6～7"]
左主支气管与气管中线成多少度角() ["A．10°～20°","B．20°～30°","C．30°～40°","D．40°～55°","E．50°～60°"]
左侧主支气管长约 ( ) ["A．1.5～2cm","B．5～6cm","C．4～7cm","D．10～13cm","E．7～8cm"]
跗骨管综合征患者的电诊断所见的异常神经表现不包括() ["A．足底内侧神经传导","B．小趾展肌EMG","C．趾短伸肌EMG","D．跟内神经传导","E．足底外侧神经传导"]
广泛溶骨性转移性骨肿瘤可以有()骨肉瘤可以有()
