Occupational Lung Diseases MCQ Quiz | Occupational Health

Welcome, MBBS students! This quiz is designed to test your understanding of Occupational Lung Diseases, a critical component of Occupational Health. You will face 25 multiple-choice questions covering key pneumoconioses like silicosis and asbestosis, hypersensitivity pneumonitis, occupational asthma, and other conditions caused by workplace exposures. Each question evaluates your knowledge of causative agents, clinical features, radiological findings, and pathology. This interactive quiz will help you consolidate your learning and prepare for your examinations. After submitting your answers, you’ll receive your score and see the correct answers highlighted. You can also download a PDF copy of all questions with their correct answers for offline revision. Good luck!

1. Egg-shell calcification of hilar lymph nodes on a chest X-ray is a characteristic finding in which of the following pneumoconioses?

2. A 65-year-old retired shipyard worker presents with progressive dyspnea. Chest X-ray reveals bilateral pleural plaques and interstitial fibrosis, predominantly in the lower lobes. Which of the following is the most likely causative agent?

3. Caplan’s syndrome is the combination of pneumoconiosis and which other medical condition?

4. A textile worker complains of chest tightness and dyspnea which is characteristically worse on the first day of the work week (Monday) and improves as the week progresses. This presentation is typical of:

5. Farmer’s Lung is a form of hypersensitivity pneumonitis caused by inhalation of:

6. Exposure to beryllium is associated with a granulomatous lung disease that closely mimics which other condition on histology?

7. Which of the following is the most common cause of occupational asthma?

8. Malignant mesothelioma, a tumor of the pleura, is most strongly associated with exposure to which of the following substances?

9. The presence of ferruginous bodies in a lung biopsy is indicative of exposure to:

10. Progressive Massive Fibrosis (PMF) is a severe complication characterized by large fibrotic masses, typically seen in advanced stages of which two pneumoconioses?

11. The International Labour Organization (ILO) Classification of Radiographs of Pneumoconioses is primarily used for:

12. A “shaggy heart border” on a chest radiograph is a classic sign associated with advanced:

13. The characteristic histopathological lesion of silicosis is the silicotic nodule, which is described as:

14. Which of the following occupations carries the highest risk for developing acute silicosis?

15. The primary pathogenic mechanism in byssinosis is thought to involve:

16. Which of the following is considered the MOST effective primary prevention strategy for pneumoconioses?

17. Hypersensitivity pneumonitis is immunologically characterized by which combination of hypersensitivity reactions?

18. The single most important diagnostic tool for confirming occupational asthma is:

19. A welder presents with a chest X-ray showing diffuse, tiny, dense, metallic-like opacities but has no respiratory symptoms and normal pulmonary function tests. What is the most likely diagnosis?

20. Asbestos exposure increases the risk of bronchogenic carcinoma, and this risk is synergistically multiplied by:

21. The term ‘anthracosis’ refers to:

22. Which part of the lung is predominantly affected in simple silicosis and coal worker’s pneumoconiosis?

23. Bird Fancier’s Lung is a type of hypersensitivity pneumonitis caused by exposure to:

24. What is the typical latency period between first asbestos exposure and the development of malignant mesothelioma?

25. A key feature distinguishing occupational asthma from other types of asthma is that symptoms typically: