The most common transmission route for mycobacteria tuberculosis is _ _
A. sexual transmission
B. dgestive transmission
C. airway transmission
D. blood transmission
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A 38-year-old woman presents with fever, night sweat, and weight loss. Examination of her sputum reveals rare acid-fast bacilli. A chest X-ray reveals a single subpleural lesion near the fissure between the upper and lower lobes along with enlarged hilar lymph nodes. What is the best diagnosis?_ _
A. Primary pulmonary tuberculosis
B. Chronic fibrocavitative pulmonary tuberculosis
C. Miliary pulmonary tuberculosis
D. Secondary pulmonary tuberculosis
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.
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.