【名词&注释】
胰腺炎(pancreatitis)、肺动脉(pulmonary artery)、人际关系(interpersonal relationship)、伦理学(ethics)、医务人员(medical staff)、肺栓塞(pulmonary embolism)、临床意义(clinical significance)、不规则(irregular)
[单选题]肺通气/灌注显像诊断肺栓塞(pulmonary embolism)的临床意义(clinical significance)在于
A. 肺灌注显像阴性可除外肺动脉栓塞的可能
B. 两者均为"阳性"匹配可诊断为肺栓塞(pulmonary embolism)
C. 两者均为"阴性"匹配可诊断为COPD
D. 肺通气显像阴性可以除外肺栓塞(pulmonary embolism)的可能
E. 两者结果不匹配可诊断为COPD