心前区疼痛呈压榨样并有窒息感常见于()右上腹疼痛放射至右肩胛下区常见于()头痛伴呕吐常见于() ["输尿管结石","十二指肠溃疡","急性胆囊炎","心绞痛","颅内压增高"]
电梯运行时突然停车，可能的原因是（）. ["层门门锁开关断开","限速器开关动作","安全钳开关动作","断电","张紧轮开关动作"]
呼吸困难伴胸痛见于()呼吸困难伴昏迷见于() ["糖尿病酮症酸中毒","急性左心衰","大叶性肺炎","湿性胸膜炎","支气管哮喘"]
黄疸伴脾肿大见于()黄疸伴发热、寒战见于()黄疸伴肝肿大见于() ["疟疾","胆总管癌","病毒性肝炎","急性胆管炎","胆道蛔虫病"]
电梯的安全保护装置由（）安全保护装置组成. ["轿厢","电气","机械","气动","导轨"]
意识障碍伴发热见于()意识障碍伴高血压见于()
