Which of the following description about pulmonary tuberculosis is incorrect?_ _
A. It has a positive association with silicosis.
B. It is characterized histologically by granulomas.
C. It is a common cause of death in AIDS.
D. It is most commonly due to Mycobtaterium avium intracellulare.
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Which is incorrect in the following statements on tuberculosis?_ _
A. The initial lesion of secondary pulmonary tuberculosis is usually located at the apex of the lungs.
B. Tuberculoma is inactive, therefore, it may not result in reactivation.
C. The morphological feature of intestinal tuberculosis is the formation of circumferential ulcers.
D. The main transmission route is respiratory tract.
The dominant cells of typhoid nodule are _ _
A. macrophages.
B. lymphocytes.
C. neutrophils.
D. fibroblasts.
Which disease are commonly found to show pseudomembrane?_ _
A. Bacillary dysentery
B. Tuberculosis
C. Typhoid fever
D. Peptic ulcer disease
Which is incorrect for human immunodeficiency virus?_ _
A. It requires reverse transcriptase from the host cell to replicate.
B. It is associated with Mycobacterium avium intracellulare infection.
C. It is a DNA virus.
D. It binds to CD4 positive lymphocytes.
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