Male,60y,with smoking history for 30years,had chest pain,cough with bloody sputum and weight loss for 2 months.Chest X-ray showed a mass in the lower lobe of the left lung.The disease may be possibly ()
A. tuberculosis
B. lung abscess
C. pneumonia
D. lungcancer
E. Bronchiectasis
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Which of the following is not the common symptom of tuberculosis()
A. low fever, night sweats
B. cough
C. hemoptysis
D. chest pain
E. massive purulent sputum
which is the major pathogen of the aspiration abscess()
A. staphylococcus aureus
B. Anaerobic bacteria
C. pseudomonas aeruginosa
D. Klebsiella pneumoniae
E. streptococcus aureus
Positive standard of bronchial dilation test:()
A. FEV1 improved rate<12%and FEV1 increase ≥200ml
B. FEV1 improved rate≥15%and FEV1 increase ≥200ml
C. FEV1 improved rate≥12%and FEV1 increase ≥300ml
D. FEV1 improved rate≥12%and FEV1 increase ≥200ml
E. FEV1 improved rate≥12%and FEV1 increase
The common cause of COPD:()
A. smoking
B. dusts
C. chemicalsD.air pollution
D. Familial factors
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