显微镜法计数白细胞时,通常加外周血()。 ["40μl","30μl","20μl","10μl","50μl"]
抗精神病药的使用原则是() ["持续使用大剂量","持续使用小剂量","由小剂量逐渐加大至治疗量","由大剂量开始,逐渐减至维持量","间断服用"]
治疗大疱表皮坏死松解型药疹首选() ["甲基强的松龙每日20mg口服","氢化可的松300~400mg\/d,分次静脉点滴","强的松30mg,每日1次口服","抗组胺药","消炎痛"]
精神科使用苯海索,主要针对() ["便秘","震颤麻痹综合征","增强抗精神病药物效应","迟发性运动障碍","防止体位性低血压"]
藻类的分类依据是什么?它可以分为哪几个门?
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