引起幼儿脑膜炎的流感嗜血杆菌以何型多见。（） ["a型","c型","f型","b型","e型"]
改变病情抗风湿药，下列哪项是错误的（） ["甲氨蝶呤","硫唑嘌呤","环磷酰胺","氯喹或羟氯喹","双氯芬酸（扶他林）"]
患者静脉抽血时多采用坐位。站立15分钟后抽血，可使血脂浓度约提高（）。 ["4%","8%","12%","16%","20%"]
信用卡中的免息还款期
用氟离子选择电极法测得某溶液E=290mV，相应的氟离子浓度为1.5mg/L，已知其E-logC的斜率为59mV，测得另一溶液的E=349mV，其相应的氟离子浓度为（） ["0.15mg\/L","349mg\/L","0mg\/L","290mg\/L","1.5mg\/L"]
扩散式发明方法包括（）法。
