体温调节的基本中枢位于() ["脊髓灰质侧角","脑干网状结构","中脑中央灰质","下丘脑","丘脑"]
发生急性梗阻性化脓性胆管炎最常见的原因是() ["肿大胆囊压迫胆总管","胆总管结石","胆总管狭窄","肝脓肿合并出血,阻塞胆管","胆总管肿瘤合并梗阻"]
入汤剂先煎的饮片是() ["芳香性药物","贝壳、甲壳、矿物药","粉末状药物","贵重的药物","胶、糖类药物"]
下列可用于志贺菌和沙门菌分离的选择培养基是() ["血平板","巧克力平板","BCYE平板","SS琼脂","TCBS琼脂"]
饮水中氯化副产物的形成主要是() ["采用二氧化氯消毒含腐植酸等有机前体物的水体","采用氯消毒含腐植酸等有机前体物的水体","采用臭氧消毒含腐植酸等有机前体物的水体","采用紫外线消毒含腐植酸等有机前体物的水体","采用硫酸铝消毒含腐植酸等有机前体物的水体"]
干绝热直减率