固定连接体在基牙近远中面的接触区,其面积不应小于() ["5mm2","2mm2","6mm2","3mm2","4mm2"]
有关徒手肌力评定的描述不正确的是() ["所测试的肌肉收缩应为最大自主收缩","评定应规范化","以患者不出现疼痛为宜","结果仅表明肌力的大小","结果能表明肌力和耐力的大小"]
男性患者,28岁,因与他人打架,右上臂被刀多处砍伤,右手活动受限。查体:右肘关节活动可,右拇、示、中指不能屈曲,拇指不能外展和桡侧三个半手指掌背侧均无感觉。该患者可能损伤() ["A.尺神经","B.桡神经","C.正中神经","D.腋神经","E.肌皮神经"]
急性穿孔性阑尾炎手术后,出现大便次数增多,里急后重感,发热,需要考虑() ["急性胃肠炎","细菌性痢疾","盆腔脓肿","结肠炎","切口感染"]
肺结核发生1~2周内,临床症状较重,而X线表现阴性的为() ["原发性肺结核","急性粟粒型肺结核","浸润型肺结核","慢性血行播散型肺结核","以上都不对"]
当风机轴承温度超过70°时,每升温()℃时其加油期限降低一半。