大面积烧伤病人重点观察体液容量变化的时间在伤后(      )

A.24小时内                                                  

B.36小时内

C.48小时内                                                  

D.72小时内

甲状腺大部切除病人术前要重点练习的体位是(      )

A.截石位                                                      

B.侧俯卧位

C.半卧位                                                      

D.头颈过伸位

膀胱癌最可靠的诊断方法是(      )

A.KUB平片                                                  

B.尿脱落细胞检查

C.B超                                                          

D.膀胱镜检查

具有传染性的外科感染是(      )

A.痈                                                             

B.丹毒

C.脓肿                                                         

D.急性淋巴结炎

左半结肠癌病人最突出的表现是(      )

A.贫血                                                         

B.肠梗阻

C.腹部肿块                                                  

D.腹泻便秘交替出现