[问答题,简答题] 何谓坏死?坏死分为霸几种?

国际标准视力表远视力检查的距离是多少() ["A．50m","B．2.5m","C．3m","D．5m","E．6m"] 何谓肉芽组织?它有哪些功能? 如果在3m处才能看清0.1行视标，则该眼视力为() ["A．0.1","B．0.04","C．0.02","D．0.2","E．O.06"] 何谓玻璃样变性?常见玻璃样变性有哪些类型? 细胞水肿?常见于哪些嚣官?原因如何? 何谓坏死?坏死分为霸几种?