在X线对周围型肺癌的诊断中，哪一项诊断意义最大（）
A.空洞
B.钙化
C.无卫星病灶
D.肺门或纵隔淋巴结肿大
E.肿块有分叶和毛刺
参考答案：E
A family member is caring for a client diagnosed with Alzheimer's disease. Which of the following is most likely to cause the caregiver depression and role strain ？（）
A．The caregiver had a close relationship with the client before diagnosis of the illness.
B．The caregiver has no formal support, such as a visiting nurse or day care worker.
C．The caregiver understands the full reality of the disease and its inevitable progression.
D．The caregiver feels unable to control the client and unable to cope with caregiving.
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