苦杏仁具有的功效是() ["泻肺平喘,利水消肿","宣肺平喘,利水消肿","止咳平喘,降气化痰","止咳平喘,润肠通便","止咳平喘,软坚散结"]
Bohr效应是指() ["PO2改变而影响Hb、携氧能力的现象","pH改变而影响Hb携氧能力的现象","PCO2改变而影响Hb携氧能力的现象","温度改变而影响Hb携氧能力的现象","2,3-二磷酸甘油酸改变而影响Hb携氧能力的现象"]
具有清热化痰,除烦止呕功效的药物是() ["枇杷叶","淡竹叶","竹茹","芦根","天花粉"]
竹茹具有的功效是() ["燥湿化痰,降逆止呕","消痰行水,降逆止呕","清化热痰,除烦止呕","化痰止咳,和胃降逆","温肺止咳,和胃止呕"]
试述价格和价格机制的概念。
试述医疗服务价格指数的基本概念和内容。