單項(xiàng)選擇題

成人粒細(xì)胞缺乏癥是指外周血白細(xì)胞計(jì)數(shù)及中性粒細(xì)胞絕對(duì)值持續(xù)低于下列哪一項(xiàng)()

A.白細(xì)胞計(jì)數(shù)<3×109/L,中性粒細(xì)胞絕對(duì)值<1.8×109/L
B.白細(xì)胞計(jì)數(shù)<2×109/L,中性粒細(xì)胞絕對(duì)值<0.5×109/L
C.白細(xì)胞計(jì)數(shù)<2.5×109/L,中性粒細(xì)胞絕對(duì)值<1.5×109/L
D.白細(xì)胞計(jì)數(shù)<1.5××109/L,中性粒細(xì)胞絕對(duì)值<0.8×109/L
E.以上都不正確

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