【名词&注释】
计算公式(calculation formula)、红细胞(erythrocyte)、标准差控制图(control chart for standard deviation)、操作过程规范(operating processes specifications)
[单选题]The bleeding time test measures
A. Platelet adhesion and aggregation on locally injured vascular subendothelium
B. The ability of plates to stick together
C. Antibodies against platelets
D. The quantity and quality of plates
E. Both A and B