全口义齿摘戴时疼痛,定位明确,戴入后无明显不适。其原因是()
A.基托边缘过长
B.基托进入组织倒凹
C.基托组织面有小结节
D.骨隆突处未缓冲
E.基托不密合
参考答案:B
男性,25岁。发热,牙龈出血,皮肤瘀点、瘀斑5天,胸骨压痛明显,肝脾不大。HGB70g/L,WBC50×109/L,PLT20×109/L,骨髓增生极度活跃,原始细胞0.9,考虑为急性淋巴细胞白血病。符合其特点的是()
A.过氧化物酶阳性
B.可见Auer小体
C.非特异酯酶阳性
D.苏丹黑染色阴性
E.糖原PAS反应(+)或成块
Whenever new information is entered, it must be stored somewhere in the computer’s (70) . RAM only (71) the data temporarily. That is, all information stored in the RAM will disappear if you switch the computer off.
A.processor
B.keyboard
C.printer
D.memory