为了保存浆膜腔积液中化学成分，应加入的抗凝剂为（） ["冰乙酸","肝素","盐酸","甲醛","麝香草酚"]
人眼能分辨的空间频率范围是（） ["0.5～2.0LP\/mm","0.5～3.0LP\/mm","0.5～5.0LP\/mm","0.5～8.0LP\/mm","0.5～10.0LP\/mm"]
机床导轨一般使用的材料是（）。 ["灰铁","45钢","T8","40Cr"]
下列哪项不是眼副器（） ["眼睑","结膜","视神经","眼球外肌","眶内肌膜"]
正常关节腔积液中可见下列细胞，但除外的是（） ["红细胞","单核巨噬细胞","淋巴细胞","中性粒细胞","软骨细胞"]
悬崖菊
