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【单选题】
A 50-year-old man has been infected with HIV for the past 10 years. He has had several bouts of oral candidiasis, but no major illnesses. Which of the following types of cells is most depleted in his lymph nodes?
A.
CD4+ T lymphocyte
B.
CD8+ T lymphocyte
C.
Eosinophil
D.
Plasma cell
E.
B lymphocyte
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【单选题】A 47-year-old man who is HIV-positive has noticed multiple reddish, purple skin nodules on his face, and trunk. These nodules have appeared over the past 9 months and have slowly enlarged. The light m...
A.
Cytomegalovirus
B.
Epstein-Barr virus
C.
Adenovirus
D.
Human herpesvirus
E.
Human papilloma virus
【单选题】A 26-year-old woman has had bouts of joint pain for the past 2 years. She also has a rash on the cheeks and bridge of the nose. The ANA test result by immunofluorescence is shown in the figure . Which...
A.
Rheumatoid arthritis
B.
Systemic lupus erythematosus
C.
Sjogren's syndrome
D.
Systemic sclerosis
E.
Polymyositis-dermatomyositis
【多选题】Which of the following autoantibodies has the greatest specificity for Sjögren syndrome?
A.
Anti-SS-B
B.
Antihistone
C.
Anti-Jo-1
D.
Anticentromere
E.
Anti-SS-A
