下列疾病表现为黄色脑脊液的是（） ["流行性乙型脑炎","化脓性脑膜炎","陈旧性蛛网膜下腔出血","结核性脑膜炎","脑肿瘤"]
脑脊液中氯化物显著减少常见的疾病是（） ["化脓性脑膜炎","病毒性脑膜炎","结核性脑膜炎","脑肿瘤","脑出血"]
血性痰最常见的病因是（） ["支气管扩张","支气管肺癌","肺结核","肺脓肿","肺吸虫病"]
常咯出大量脓臭痰的疾病是（） ["支气管扩张","慢性支气管炎","晚期肺癌","支气管哮喘","早期肺结核"]
Westgard多规则质控法的判断规则是什么？
简述PAGE的分离原理。
