诊断弥散性血管内凝血（DIC）最有意义的试验是（）。 ["凝血酶原时间","血小板计数","血浆FDP和D-D定量测定","纤维蛋白原定量","APTT"] 下述年轻上颌恒切牙髓室形态特征哪个是正确的（） ["近切嵴处近远中径最大","近颈缘处近远中径最大","近远中径等于唇舌径","唇舌径大于近远中径","唇舌径大于切龈径"] SLE患者不会出现的血液学异常是（） ["血红蛋白减少","网织红细胞减少","白细胞减少","淋巴细胞减少","血小板减少"] 属于抗代谢类药物的化学药物是（） ["环磷酰胺","氟尿嘧啶","丝裂霉素","多柔比星","长春新碱"] 乳牙窝沟封闭临床操作的酸蚀时间是（） ["20s","40s","60s","80s","100s"] 血浆FDP升高最显著的疾病是（）。