杨梅状样血管瘤
恶性黑色素瘤()浆细胞肉瘤()恶性淋巴瘤()骨源性肉瘤()软组织肉瘤() ["A．起源间叶组织的恶性肿瘤","B．起源骨间质的恶性肿瘤","C．以颈部淋巴结最好发","D．局部剧烈疼痛为主要症状","E．周围可有卫星灶"]
PTH维持血钙正常水平的机理是() ["A．升高血钙","B．降低血磷","C．酸化血液","D．促进溶骨","E．排钙保磷"]
胃酸的功能包括() ["A．可促进胃、胰、胆和小肠的分泌","B．激活胃蛋白酶原","C．在小肠内可引起促胰液素的释放","D．胃酸可杀菌","E．有助于小肠对铁和钙的吸收"]
牙源性黏液瘤()成釉细胞瘤()牙骨质瘤()牙瘤() ["A．含不同发育阶段的各种牙胚组织","B．来源于牙胚的牙囊或牙周膜","C．为颌骨中心性上皮肿瘤","D．通常被归为低度恶性肿瘤","E．为高度恶性肿瘤"]
舌癌()牙龈癌()口底癌()皮肤癌()中央性颌骨癌()
