Questions 19 to 22 are based on the conversation you have just heard.
A. The woman never reads newspaper.
B. The man is always proud of his car.
C. The woman had her new car damaged.
D. The man had his old car insured.
女，40岁，因腰背痛半月余入院，剑突与脐连线的中点以下皮肤感觉病退，双下肢肌力减弱 病因检查中，下列哪项最有价值
A. 详细询问病史和检查
B. X线平片
C. MRI
D. CT
E. 核素骨扫描
7岁男孩，突发寒战、高热(T39.8℃)，烦躁不安，诉右膝下方剧痛，膝关节呈半屈曲状，拒动。查体发现右小腿近端皮温尚可，压痛 确诊急性骨髓炎后须立即
A. 抗感染
B. 支持治疗
C. 手术
D. 肢体制动
E. 物理降温
7岁男孩，突发寒战、高热(T39.8℃)，烦躁不安，诉右膝下方剧痛，膝关节呈半屈曲状，拒动。查体发现右小腿近端皮温尚可，压痛 早期确诊主要依靠
A. 病儿高热、肢体肿痛
B. X片摄片
C. 局部CT检查
D. 化验WBC升高
E. 局部分层穿刺抽得脓汁
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