【名词&注释】
临床意义(clinical significance)、人外周血(human peripheral blood)、直接影响(directly affect)、细胞融合(cell fusion)、交感神经兴奋性(sympathetic excitability)、疾病相关(disease-related)、外周血中性粒细胞(peripheral polymorphonuclear leukocytes)
[单选题]正常人外周血中性粒细胞(peripheral polymorphonuclear leukocytes)占
A. 10%~30%
B. 20%~30%
C. 30%~40%
D. 50%~70%
E. 70%~80%