女,66岁。跌倒摔伤右髋部。查体:右下肢外旋45。畸形,右髋部肿胀、压痛及叩击痛,髋关节活动受限。可与股骨转子间骨折鉴别的体征是() ["A.右髋部肿胀","右下肢外旋45°","右髋部压痛及叩痛","病人系老年女性","股骨大转子有无上移"]
患者,女,50岁,急性胃穿孔腹膜炎手术修补后7天,患者突然寒战,发热,出汗等全身中毒症状,伴有上腹痛,呃逆以及季肋部压痛,叩击痛等。在观察期应考虑是()。 ["A.肠袢间脓肿","盆腔脓肿","膈下脓肿","脓血症","败血症"]
女,66岁。跌倒摔伤右髋部。查体:右下肢外旋45。畸形,右髋部肿胀、压痛及叩击痛,髋关节活动受限。为确定诊断,最常用的检查是() ["A.X线摄片","CT","MRI","B超","放射性核素骨扫描"]
患者,男,56岁,急性腹膜炎行腹腔引流术后5天,患者出现下腹部坠胀感,大便次数增多,黏液便,伴尿频、尿急、排尿困难等症状。考虑并发()。 ["A.膈下脓肿","膀胱炎","急性肠炎","盆腔脓肿","肠袢间脓肿"]
患者,男,56岁,急性腹膜炎行腹腔引流术后5天,患者出现下腹部坠胀感,大便次数增多,黏液便,伴尿频、尿急、排尿困难等症状。急性腹膜炎患者采取半卧位的目的是()。 ["A.避免伤口出血","易于渗出液引流","避免静脉血栓形成","减轻全身中毒现象","腹腔内炎性液体向盆腔沉积"]
叶酸的拮抗剂是()次黄嘌呤磷酸核酸核糖转化酶是()