單項(xiàng)選擇題

【A1/A2型題】粒細(xì)胞減少癥是指()

A.白細(xì)胞總數(shù)<4×10g/L
B.中性粒細(xì)胞數(shù)<0.5×10g/L
C.中性粒細(xì)胞數(shù)<1.5×10g/L
D.中性粒細(xì)胞數(shù)<2×10g/L
E.中性粒細(xì)胞數(shù)<1×10g/L

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