吸入沙丁胺醇雾化液扩张支气管平滑肌主要是() ["兴奋β2肾上腺素受体","拮抗白三烯受体","拮抗M胆碱受体","拮抗组胺H1受体","拮抗β肾上腺素和组胺H1受体"]
患者,女性,55岁,8个月来吞咽困难,逐渐加重,近1月来仅能进流食,锁骨上淋巴结未触及肿大此患者经纤维食管镜检查,诊断为中段食管癌,钡餐提示病变约5cm,行食管大部切除,胃食管弓上吻合术,术后常见并发症包括() ["A.肺部感染","膈疝","Barrett食管","乳糜胸","喉返神经损伤","倾倒综合征","吻合口瘘","返流性食管炎"]
实验研究中应用最广泛的动物是() ["纯系小鼠","无胸腺裸鼠","猫","狗","猪"]
男性患者,28岁。全身水肿,尿蛋白6.0g/24h,尿中红细胞10~15个/Hp,可见脂肪管型,血浆蛋白20g/L,治疗每日泼尼松60mg,双嘧达莫(潘生丁)150mg(分三次服),已治疗4周病情未见好转。此时应采取下列哪项措施为妥() ["增加泼尼松用量,延长治疗时间","停用泼尼松","加用ACTH","继续用泼尼松原剂量,加用环磷酰胺","改用地塞米松"]
哮喘长期预防的药物首选() ["吸入糖皮质激素","短效吸入型β2受体激动剂","β2受体抑制剂","抗胆碱能药物","长效β2受体激动剂"]
儿童期铁的每日需要量为处于生长发育中的儿童每日钙需要量为