久病体虚之人出现嗳气的特点是() ["A.嗳气频作,声音响亮","B.嗳气频作,脘腹冷痛","C.嗳气声低而断续","D.嗳气有酸腐味","E.饱食之后偶有嗳气"]
MAC地址是在七层模型的哪一层?() ["物理层","数据链路层","传输层","网络层"]
有关Child肝功能分级,下列正确的是() ["A.胆红素正常,白蛋白36g/L,无腹腔积液,营养佳,肝功能为A级","B.胆红素正常,白蛋白35g/L,腹腔积液,营养佳,肝功能为A级","C.胆红素40μmol/L,白蛋白35g/L,无腹腔积液,营养佳,肝功能为A级","D.胆红素正常,白蛋白32g/L,无腹腔积液,营养佳,肝功能为A级","E.胆红素正常,白蛋白30g/L,腹腔积液,营养良,肝功能为A级"]
吗啡主要用于() ["慢性钝痛","急性锐痛","分娩镇痛","胃肠绞痛","肾绞痛"]
干咳无痰或少痰而黏的临床意义是() ["A.风热犯肺证","B.燥邪犯肺证","C.热邪犯肺证","D.痰热壅肺证","E.痰湿阻肺证"]
压力监测换算方法:①1cmHO=()kPa②1mmHg=()cmHO=()mmHO③1mmHg=()kPa