【名词&注释】
放射性(radioactivity)、静脉注射(intravenous injection)、淋巴结(lymph node)、皮下注射(subcutaneous injection)、显像剂(imaging agent)、内脏器官(internal organs)、肺毛细血管(pulmonary capillary)、灵敏度和特异性(sensitivity and specificity)
[单选题]骨显像显示骨病灶与X线诊断相比较,其灵敏度和特异性(sensitivity and specificity)是 ( )
A. 灵敏度和特异性(sensitivity and specificity)均高
B. 灵敏度和特异性(sensitivity and specificity)均低
C. 灵敏度高而特异性低
D. 灵敏度低而特异性高
E. 灵敏度和特异性(sensitivity and specificity)均相仿