靶形红细胞最常见于（） ["地中海贫血","巨幼性细胞贫血","再生障碍性贫血","缺铁性贫血","失血性贫血"] 慢性支气管炎的主要诊断依据是（） ["痰细菌检查","肺部体征","肺功能测定","X线胸片","临床症状"] 镰状细胞综合征是由（）引起。 ["HbC","HbD","HbE","HbAG","HbS"] 下列哪种疾病红细胞渗透脆性降低（） ["再生障碍性贫血","PNH","温抗体型自身免疫性溶血性贫血","遗传性球形细胞增多症","珠蛋白生成障碍性贫血"] 一男孩食生蚕豆后发生黄疸及血红蛋白尿，最有诊断意义的化验是（） ["酸化血清溶血试验","血红蛋白电泳","抗人球蛋白试验","高铁血红蛋白还原试验","糖水试验"] 胎儿期血红蛋白主要是（）