香烟燃烧时会释放粒子和气体,这些依附在墙壁、衣服、椅垫、地毯或吸烟者头发和皮肤上,就形成了:()
A.一手烟
B.二手烟
C.三手烟
D.四手烟
参考答案:B
患者,女性,60岁,高血压病史10余年,平日血压180/100mmHg左右,3个月前患者生气后突发神志不清,呼之不应,急送至医院,送院途中呕吐两次,均为咖啡色胃内容物,查体:T34.3℃,R24次/分,P61次/分,BP170/90mmHg,中度昏迷,强痛刺激下表现为四肢过伸,双侧瞳孔不等大,双眼向左侧凝视,两侧病理征阳性,心脏查体无异常,腹软。
患者出现便秘,其主要康复措施为()
A.肛门牵拉技术
B.饮食结构控制
C.缓泻剂或润滑剂
D.运动治疗
E.传统医学手法治疗
F.不需要治疗
待测粉末与氯仿共同振摇,过滤,水浴挥发至几乎干燥。()
A.Shake the powder being examined with chloroform, filter and reserve the extracted powder.
B.Shake the powder being examined with chloroform, filter and evaporate almost to dryness on a water bath.
C.Heat the powder being examined with a mixture of water and hydrochloric acid in a water bath.
D.Heat the powder being examined to boiling with a mixture of ethanol and water.
E.Shake the powder being examined with sulphuric acid, filter and wash the filter with sulphuric acid.