急性牙髓炎应急镇痛治疗的最好方法是()
A.药物消炎、镇痛
B.局部麻醉下开髓引流,辅以药物镇痛
C.直接或间接盖髓
D.拔除牙髓
E.拔除牙齿
参考答案:B
You must _____ yourself. [ ]
A. look for
B. take after
C. take care
D. look after
闭袢性肠梗阻的特点是()
A.疼痛为阵发性剧痛
B.肠鸣音高亢时,有高调金属音
C.呕吐频繁
D.腹部有不对称隆起
E.可排出黏液血样便