11.醫(yī)院感染中最重要的感染源是(      )

A.病原攜帶者                                                  B.患者自身正常菌群

C.動(dòng)物感染源                                                  D.已感染的患者

12.臨床應(yīng)用最廣、效果最可靠的物理消毒滅菌法是(      )

A.干烤法                                                         B.壓力蒸汽滅菌法

C.紫外線消毒法                                               D.煮沸消毒法

13.矯正胎位不正應(yīng)采取(      )

A.頭低足高位                                                  B.膀胱截石位

C.側(cè)臥位                                                         D.膝胸臥位

14.腹膜炎患者常采取半坐臥位，其主要目的是(      )

A.防止嘔吐                                                      B.有利于滲出物流入盆腔，使感染局限

C.使膈肌上升，減輕對(duì)心肺的壓力                   D.減少局部出血

15.呼吸過速是指每分鐘呼吸速率多于(      )

A.16次                                                            B.20次

C.24次                                                            D.28次