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"]
钙、磷及骨代谢的激素调节包括() ["A．PTH","B．1,25(OH)2D3","C．1,25(OH)2D3","D．骨钙素","E．降钙素"]
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"]
评价骨吸收时，脱氧吡啶酚表现出更高特异性和灵敏度，其原因是() ["A．由胶原自然形成","B．排出前不被代谢","C．骨是主要来源","D．不受饮食的影响","E．便于分离、纯化"]
海绵状血管瘤()蔓状血管瘤()毛细血管瘤()海绵型淋巴管瘤()神经纤维瘤()
