体现"以泻代清"治法的代表方剂是() ["凉膈散","大承气汤","小承气汤","黄连解毒汤","调胃承气汤"]
龙胆泻肝汤中清利湿热的药物是() ["泽泻、木通、车前子","泽泻、车前子、茯苓","茯苓、车前子、木通","木通、泽泻、茯苓","猪苓、泽泻、木通"]
筒述医疗事故的分级标准。
体现"透热转气"法的代表方剂是() ["银翘散","白虎汤","清营汤","犀角地黄汤","黄连解毒汤"]
主治大头瘟的代表方剂是() ["仙方活命饮","五味消毒饮","普济消毒饮","黄连解毒汤","凉膈散"]
简述X线成像的基本原理及具体成像过程。