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.
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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.
The transmission of AIDS does not include_ _
A. sexual contact with healthy partner.
B. vertical transmission from mother to fetus in pregnancy.
C. sexual contact with carrier.
D. transfusion of blood and blood products.
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