A.出血時(shí)間延長(zhǎng) B.血小板計(jì)數(shù)減少 C.凝血酶原時(shí)間延長(zhǎng) D.血塊收縮不良
A.出血時(shí)間正常,凝血時(shí)間及凝血酶原時(shí)間延長(zhǎng) B.血小板計(jì)數(shù)正常,血塊退縮良好,凝血時(shí)間正常 C.血小板計(jì)數(shù)減少,血塊退縮不良,出血時(shí)間延長(zhǎng) D.纖維蛋白原減少,凝血酶時(shí)間及凝血酶原時(shí)間延長(zhǎng)
A.外周血血小板減少 B.血小板表面結(jié)合有抗血小板抗體 C.血小板壽命縮短 D.臨床出血癥狀不常見于皮膚和粘膜