- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
成人白細(xì)胞減少或粒細(xì)胞減少癥是指外周血白細(xì)胞計(jì)數(shù)或中性粒細(xì)胞絕對(duì)值低于（）
A.白細(xì)胞總數(shù)<5×109／L，中性粒細(xì)胞絕對(duì)值<2×109／L
B.白細(xì)胞總數(shù)<4.5×109／L，中性粒細(xì)胞絕對(duì)值<1.8×109／L
C.白細(xì)胞總數(shù)<4×109／L，中性粒細(xì)胞絕對(duì)值<1.5×109／L
D.白細(xì)胞總數(shù)<3.5×109／L，中性粒細(xì)胞絕對(duì)值<1.7×109／L
E.白細(xì)胞總數(shù)<3×109／L，中性粒細(xì)胞絕對(duì)值<2.3×109／L
