患者女,51岁。右上腹胀痛、恶心、呕吐。查体:右上腹及剑突下压痛、反跳痛阳性。超声检查示肝内囊实性包块,胆囊结石伴胆囊炎。CT示肝右叶可见近椭圆形低密度影,最大直径12cm,边缘见钙化,内见多个分隔,排列成多个环状小囊,密度不均匀。患者曾在内蒙古生活多年,有牛、羊接触史。为明确诊断,对诊断无意义的检查是()
A. Casoni试验
B. 酶联免疫吸附试验(ELIS
C. 间接红细胞凝集试验
D. 乳胶凝集试验
E. 血管造影
analyzing,tracing,prioritizing and agreeing on requirements and then controlling changes and communicating to relevant stakeholders. It is a()process throughout a project. A requirement is a capability to which a project outcome(product or service)should conform.
A. persistent
B. continuing
C. permanent
D. continuous