[名词解释] 关节脱位

骨擦音 骨折 择期全麻气管插管的绝对禁忌证是() ["A．高血压","B．气管内肿瘤","C．凝血功能障碍","D．急性喉炎","E．颅内择期全麻气管"] 遇困难气管插管而反复插管的最严重并发症是() ["A．气道损伤","B．喉头水肿，喉痉挛","C．高血压","D．心跳骤停","E．低氧血症"] 会厌的神经支配是() ["A．舌咽神经","B．迷走神经","C．舌下神经","D．副神经","E．舌咽神经和迷走神经"] 关节脱位