Hypersensitivity Pneumonitis
1 Hypersensitivity pneumonitis (HP) is also called ?
A. Extrinsic allergic alveolitis
B. Intrinsic allergic alveolitis
C. Immunologic alveolitis
D. Decaying alveolitis
2 Hypersensitivity pneumonitis (HP) is also called ?
A. Gardener’s lung
B. Mountain lung
C. Farmer’s lung
D. Pollen lung
3 Hot tub lung is best related to ?
A. Molds in air conditioners or humidifiers
B. Isocyanates
C. Mycobacterium avium complex
D. Cigarette smoking
4 The clinical presentation of HP can be ?
A. Acute
B. Subacute
C. Chronic
D. Any of the above
5 In acute HP, symptoms occur within how many hours after exposure to antigen ?
A. 6 to 8 hours
B. 12 to 24 hours
C. 24 to 48 hours
D. 48 to 72 hours
6 Which of the following is false about acute hypersensitivity pneumonitis (HP) ?
A. Neutrophilia
B. Eosinophilia
C. Lymphopenia
D. Presence of rheumatoid factor
7 Abnormality rarely seen in chest X-Ray of HP patient is ?
A. Diffuse reticulonodular infiltrate
B. Honeycombing
C. Pleural effusion
D. Apical sparing
8 Which of the following can be found in BAL of HP patients ?
A. Lymphocytic alveolitis
B. Alveolar neutrophilia
C. Bronchoalveolar mastocytosis
D. All of the above
9 Which of the following is false in lung biopsy of HP patients ?
A. Mononuclear bronchiolitis
B. Interstitial infiltrates of lymphocytes & plasma cells
C. Necrotizing granulomas
D. Thickened interstitium
10 The most important tool in diagnosing HP is ?
A. Pulmonary function tests
B. Radiographic tests
C. BAL
D. High index of suspicion
11 Which of the following about Organic dust toxic syndrome is false ?
A. More common than HP
B. Follows heavy exposure to organic dusts
C. Transient fever & muscle aches
D. None of the above
12 Which of the following about Organic dust toxic syndrome is false ?
A. Serum precipitins are absent
B. Chest x-ray is usually normal
C. Self-limited disorder without long-term sequelae
D. None of the above
13 Tropical eosinophilia is usually caused by ?
A. Wuchereria bancrofti
B. Ascaris
C. Ancyclostoma
D. Strongyloides stercoralis
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