[名词解释] 清创术

清创术目的有哪些? 损伤 一期愈合 脾病的常见症状应除外哪项() ["腹痛","呕恶","便溏","出血","纳差"] 某药的t为10小时，按半衰期时间间隔给药，达到稳定血浓度的时间是() ["A．0.5天","B．1.0天","C．1.5天","D．2.0天","E．3.0天"] 清创术