男性,65岁,体检发现左锁骨上淋巴结肿大,活检为转移性腺癌。有确诊意义的检查为()。 ["A.上消化道造影","便潜血检查","粪便脱落细胞检查","纤维胃镜检查","腹部B超"]
眼眶的间隙可分为() ["周围间隙","骨膜下间隙","肌锥内间隙","巩膜表面间隙","中央间隙"]
哌醋甲酯主要用于治疗儿童孤独症的哪种伴随症状() ["注意缺陷和多动障碍","冲动、易激惹","强迫症状","情绪恐惧、紧张","刻板症状"]
生态系统中的生产者主要是指() ["绿色植物","肉食动物","食草动物","微型动物","细菌"]
慢性牙周炎的防治原则不包括() ["清除局部致病因素","彻底的牙髓治疗","牙周手术","全身治疗","建立平衡的牙合关系"]
小腿截肢膝关节易出现____挛缩。