Occupational and Environmental Lung Disease
1 “Fugitive dust” includes ?
A. Pollens
B. Windblown dust
C. Dust from mechanical industrial processes
D. All of the above
2 Particles below what size can be carried to lower airways ?
A. 10 μm
B. 7.5 μm
C. 5 μm
D. 2.5 μm
3 Coarse-mode fraction contains particles of what size ?
A. ~ 2.5 - 10 μm
B. ~ 10 - 19.9 μm
C. ~ 20 - 20.9 μm
D. ~ 30 - 30.9 μm
4 Asbestos includes ?
A. Chrysolite
B. Amosite
C. Crocidolite
D. All of the above
5 Major health effect from exposure to asbestos is ?
A. Pleural fibrosis
B. Diffuse interstitial pulmonary fibrosis
C. Cancers of respiratory tract, pleura & peritoneum
D. All of the above
6 The clinical & pathological features of acute silicosis are similar to those of ?
A. ABPA
B. Asthma
C. Acute pneumonitis
D. Pulmonary alveolar proteinosis
7 “Crazy paving” HRCT pattern is characteristic of ?
A. Asbestosis
B. Berylliosis
C. Silicosis
D. Coal worker’s pneumoconiosis (CWP)
8 “Eggshell” pattern of hilar node calcification is seen in ?
A. Asbestosis
B. Berylliosis
C. Silicosis
D. Coal worker’s pneumoconiosis (CWP)
9 Potential clinical complication of silicosis is ?
A. Mycobacterium tuberculosis infection
B. Rheumatoid arthritis
C. Scleroderma
D. All of the above
10 Caplan’s syndrome is ?
A. Seronegative Rheumatoid arthritis + Neutropenia
B. Seropositive Rheumatoid arthritis + splenomegaly
C. Seropositive Rheumatoid arthritis + progressive massive fibrosis (PMF)
D. Seronegative Rheumatoid arthritis + bronchial asthma
11 Histopathological lesion of which of the following environment associated disease is similar to sarcoidosis ?
A. Asbestosis
B. Berylliosis
C. Coal worker’s pneumoconiosis (CWP)
D. Silicosis
12 Which of the following confers increased risk of chronic beryllium disease (CBD) ?
A. Glu69 polymorphism of HLA-DP chain
B. Glu79 polymorphism of HLA-DP chain
C. Glu89 polymorphism of HLA-DP chain
D. Glu99 polymorphism of HLA-DP chain
13 “Monday chest tightness” is seen in ?
A. Bagassosis
B. Byssinosis
C. Berylliosis
D. Asbestosis
14 “Monday chest tightness” responds best to ?
A. Bronchodilators
B. Antihistamines
C. Oxygen therapy
D. All of the above
15 Thermophilic actinomycetes can cause all except ?
A. Bagassosis
B. Farmer’s lung
C. Mushroom worker’s lung
D. Tobacco worker’s lung
16 Which of the following is not a feature of acute farmer’s lung ?
A. Onset 4 - 8 h after exposure
B. Fever with chills
C. Cough and dyspnea
D. Wheezing
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