α海洋性贫血可出现() ["HbH增多 ","HbA2增多","HbS增多 ","HbF增多 ","HbC增多"]
男性,12岁,反复关节肿痛。查体:凝血时间31分钟,凝血酶原时间12秒,(对照13秒),活化部分凝血活酶时间80秒(对照45秒).以上结果符合的诊断是() ["凝血酶生成障碍 ","凝血活酶生成障碍 ","血小板异常 ","纤维蛋白原减少 ","血管壁异常 "]
血浆胶体渗透压降低可引起的变化有() ["血容量增多 ","有效滤过压增高 ","细胞内液减少 ","组织液容量增多 ","进入毛细血管的水分减少"]
凝血过程中起加速(催化)作用的因子是() ["钙离子 ","组织凝血活酶 ","因子Ⅹ ","接触因子 ","凝血酶"]
B细胞表面有() ["Ig","Fc受体","C3受体","C1q受体","E受体"]
生物膜