18.當成年人之嗜中性白血球(neutrophil)數目,低於下列何者時,稱為嗜中性白血球減少症(neutropenia)?
(A)4500/mm3
(B)3500/mm3
(C)2500/mm3
(D)1500/mm3
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統計: A(109), B(59), C(224), D(1351), E(0) #1633884
統計: A(109), B(59), C(224), D(1351), E(0) #1633884