下列叙述哪项是错误的() ["检测唾液中血型物质可协助鉴定ABO血型","HAB血型物质以唾液中含量最丰富","分泌型的遗传受控于8E和SE1对等位基因","大约80%为分泌型,20%为非分泌型","凡带有SE基因者都能分泌HAB物质"]
空巢期是指() ["最大孩子离家到最小孩子离家","所有孩子离家至家长退休","退休至死亡","孩子离家创业","最大孩子离家"]
D抗原存在于() ["人红细胞膜","组织细胞中","体液中","分泌液中","血浆中"]
在已检出的血型系统中,检出抗原数最多的是() ["白细胞抗原","粒细胞抗原","血小板特异性抗原","红细胞抗原","自身抗原"]
在H物质的D-半乳糖上连接1个糖链可形成B抗原,则该糖链是() ["N-乙酰氨基半乳糖","D-半乳糖","N-乙酰氨基葡萄糖胺","L-岩藻糖","N-乙酰氨基葡萄糖"]
简述固定义齿的适应证。