女性,10岁,手掌着地跌伤,右肘肿痛,功能受限15小时,查:左肘关节及前臂明显肿胀,压痛,半屈位畸形,手部皮肤苍白、发凉、麻木,桡动脉搏动微弱,测前臂组织压为7.3Kpa.X线检查:肱骨髁上骨折. 病人出现手部症状的原因是()
A. 损伤尺神经
B. 损伤桡神经
C. 肱动脉受压前臂缺血
D. 正中神经受损
E. 未作手指活动
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According to the text, the mayor of London, Ken Livingstone seems to be very supportive of the congestion charging scheme because of
A. his interest in traffic.
B. the weak response of politicians.
C. his political motives.
D. the complexity of the problem.
The best title for Sis passage may be
A. More Expensive Trips in London.
B. Road Pricing: Queue or Pay
C. A Return to the Mass Transit.
D. Traffic Planning: a Dilemma
食道癌切除术后,要出现的最常见和最严重的并发症是()
A. 脓胸
B. 乳糜胸
C. 吻合口瘘
D. 吻合口狭窄
E. 反流性食管炎
A4题型张先生65岁,确诊为原发性支气管肺癌。为手术治疗入院. 张先生行的是右肺肺叶切除术。术后第二天,血压平稳应取下列何种体位最好()
A. 平卧
B. 患侧卧位
C. 半坐卧位,床头抬高30~45度
D. 头低脚高位
E. 向健侧卧