问题
单项选择题
Which abnormal laboratory value is most indicative of aplastic anemia
A．A decreased hemoglobin.
B．An elevated white blood cell count.
C．An elevated red blood cell count.
D．A decreased erythrocyte sedimentation rate.
答案
参考答案：A
解析：A decreased hemoglobin is indicative of aplastic anemia. In addition to a decreased hemoglobin and red blood cell count, the client will also have a decreased white blood cell count and decreased platelets.