6.患者，男性，32歲，因“車禍腿部外傷、大量失血”入急診�？焖俨轶w：血壓60/40mmHg，心率120次／分，呼吸25次／分，神清，表情淡漠，面色蒼白，四肢皮膚發(fā)花，濕冷。擬診為低血容量性休克。該患者休克指數(shù)為

A.3                                                                  B.2

C.0.5                                                               D.0.3

7.大量失血患者出現(xiàn)頸外靜脈塌陷時，提示其失血量大于

A.500ml                                                           B.1000ml

C.1500ml                                                         D.2000ml

8.治療嗎啡（阿片類鎮(zhèn)痛藥）所致的呼吸抑制，首選的藥物是

A.納洛酮                                                         B.胺碘酮

C.阿拉明                                                         D.阿托品

9.高鈣血癥的病人出現(xiàn)癥狀時，其血清總鈣濃度常不低于

A.1.2mmol/L                                                    B.2.6mmol/L

C.3mmol/L                                                       D.3.75mmol／L

10.確診四肢骨折最可靠的診斷依據(jù)是

A.B超檢查                                                       B.X線檢查

C.體檢發(fā)現(xiàn)四肢畸形                                        D.體檢發(fā)現(xiàn)四肢反�；顒�

11.為熱衰竭病人輸液治療的主要目的是

A.補充碳水化合物                                           B.補充血容量

C.補充電解質(zhì)                                                  D.糾正酸堿平衡

12.一氧化碳重度中毒患者血液中碳氧血紅蛋白的比例為

A.30%以下                                                      B.31%-40%

C.41%--50%                                                    D.50%以上

13.后向性右心衰竭的表現(xiàn)是

A.肺功能不全的表現(xiàn)                                        B.組織灌注不足的表現(xiàn)

C.組織灌注不足和肺功能不全的表現(xiàn)               D.肺功能不全和右心功能不全的表現(xiàn)

14.膿毒性休克治療中應用液體快速沖擊試驗的適應征是

A.發(fā)熱                                                             B.多尿

C.疑有血容量不足                                           D.疑有低血糖

15.下列患者中適合應用口咽通氣管開放氣道者為

A.清醒者                                                         B.淺昏迷者

C.痰多的昏迷患者                                           D.無咳嗽及嘔吐反射的昏迷者