男35岁。化学试剂厂工人。近来感头晕、咳嗽、气短,吐粉红色泡沫痰。胸部X线片:双肺散在大小不等的片状阴影。临床考虑哪种气体中毒() ["一氧化碳","硫化氢","甲烷","氯气","以上均不正确"]
SAH的主要病因是() ["高血脂","高血压","感染","动脉硬化","动脉瘤"]
验光师主觉验光时"加雾视镜"的目的为() ["减少近视","减少远视","减少散光","放松调节","减少调节幅度"]
神经性食物中毒病原学,下列哪项是错误的() ["本菌芽孢体外抵抗力极强","各型均能产生嗜神经外毒素","肉毒杆菌属革兰阳性厌氧菌","其毒素对胃酸有抵抗力且耐热","本菌可分A、B、C、D、E、F、G7种血清型"]
一氧化碳中毒的症状与下列哪项无关() ["空气中一氧化碳的浓度","与一氧化碳接触的时间","血液中碳氧血红蛋白的浓度","昏迷的程度","缺氧的程度"]
电气、管道、风管的拆除如何处理?