下列哪项不属于矽肺的分期() ["A．0期","B．Ⅰ期","C．Ⅱ期","D．Ⅲ期","E．IV期"]
关于人类免疫缺陷病毒的特点，哪项是错误（） ["A．主要感染CD细胞","B．可引起人类艾滋病","C．可通过性行为传播","D．不能经胎盘传播","E．可通过输血传播"]
正常儿童的后囟于出生后________内闭合，前囟则于_______时闭合。
诊断肺栓塞最可靠的检查方法是() ["A．胸片","B．VP","C．MRI","D．CT","E．肺动脉造影"]
中耳恶性肿瘤最常见的病理类型为哪一型() ["A．腺癌","B．鳞状细胞癌","C．耵聍腺癌","D．淋巴瘤","E．肉瘤"]
口服胆囊造影法可观察胆囊的_______和_______功能。
