在牙周组织愈合过程中,参与结合上皮形成的细胞是()
A.牙龈成纤维细胞
B.牙龈上皮细胞
C.牙周膜细胞
D.牙槽骨骨细胞
E.口腔黏膜上皮细胞
参考答案:B
99mTc-(V)-DMSA肿瘤显像用于检测甲状腺髓样癌治疗后病灶时探测的阳性率会下降,此时宜补充的检查项目是()
A.放射免疫显像
B.99mTc-DMSA显像
C.18F-FDG正电子显像
D.67Ga显像
E.99mTc-MDP显像
The tools and techniques of quantitative risk analysis are ().
A.contracting,contingency planning,alternative strategies,and insurance
B.interviewing,historical results,workarounds,and additional response development
C.checklists,damage control reports,standard allowances, and inspection
D.data gathering and representation techniques,and quantitative risk analysis and modeling techniques