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. 根据病程特点首选何种处理()
A. 患肢石膏固定
B. 手法复位
C. 利尿消肿
D. 小夹板固定
E. 切开减压+血管探查+骨折内固定术
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最能反映婴儿营养状况的体格发育指标是()
A. 头围、胸围
B. 牙齿数
C. 保持身长
D. 体重
E. 前囟的大小
We learn from the text that traffic planners are more concerned about
A. the attitude of drivers in London.
B. taking a political standpoint.
C. sophisticated toiling systems.
D. imposing congestion charging.
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
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.