Occupational Lung Diseases MCQ Quiz | Respiratory System

1. “Egg-shell calcification” of hilar lymph nodes on a chest X-ray is a pathognomonic finding for which occupational lung disease?

2. A 65-year-old retired shipyard worker with asbestosis is at the highest risk for developing which of the following malignancies?

3. The combination of rheumatoid arthritis and pneumoconiotic nodules in a coal miner is known as:

4. Chronic Berylliosis is histopathologically characterized by the formation of non-caseating granulomas, making it difficult to distinguish from which other systemic disease?

5. Farmer’s Lung, a type of hypersensitivity pneumonitis, is most commonly caused by inhalation of thermophilic actinomycetes found in:

6. A textile worker complains of chest tightness, cough, and dyspnea that is consistently worse on the first day of the work week (Monday) and improves as the week progresses. This pattern is characteristic of:

7. Pleural plaques, particularly on the diaphragmatic and lower lateral chest wall, are a hallmark radiological finding of exposure to:

8. Patients with silicosis have a significantly increased susceptibility to infection by which microorganism?

9. Which of the following is the most common cause of occupational asthma in industries involving paint spraying, foam manufacturing, and plastics?

10. The development of Progressive Massive Fibrosis (PMF) in a coal worker represents a complication of which underlying condition?

11. A welder presents with diffuse reticulonodular shadowing on chest X-ray. A lung biopsy shows iron deposition without significant fibrosis or functional impairment. What is the most likely diagnosis?

12. Giant cell interstitial pneumonia (GIP) is a characteristic finding in hard metal lung disease, which is primarily caused by exposure to:

13. A patient who keeps pigeons develops recurrent episodes of fever, cough, and dyspnea hours after cleaning the bird coop. This is suggestive of which condition?

14. Which part of the lung is typically most affected in the early stages of asbestosis?

15. Silicotic nodules on histopathology are classically described as:

16. Bauxite fibrosis, a rapidly progressive pneumoconiosis seen in aluminum abrasive workers, is also known as:

17. Most classical pneumoconioses, such as silicosis and asbestosis, typically produce what pattern on pulmonary function tests?

18. Malignant mesothelioma, a rare and aggressive tumor of the pleura, has a strong and well-established etiological link with exposure to:

19. The mechanism of sensitizer-induced occupational asthma is best described as a:

20. The classic histopathological triad for hypersensitivity pneumonitis consists of interstitial lymphoplasmacytic infiltrate, poorly formed non-caseating granulomas, and:

21. Which of the following occupations carries the highest risk for developing accelerated silicosis?

22. Which type of asbestos fiber is most strongly associated with the development of malignant mesothelioma due to its needle-like shape and ability to penetrate deep into the pleura?

23. The simple form of Coal Worker’s Pneumoconiosis is radiologically characterized by:

24. The definitive diagnosis of chronic berylliosis is established by:

25. Which of the following occupational lung diseases has the longest typical latency period, often manifesting 20-40 years after initial exposure?