| 1. | Rate of diffusion by increasing surface area |
| 2. | Diffusion distance |
| 3. | Air turbulence |
| 4. | Dead space |
Which of the following disease is caused mainly due to cigarette smoking
| 1. | Asthma | 2. | Emphysema |
| 3. | Bronchitis | 4. | Rhinitis |
| 1. | Inflammation of the bronchi and bronchioles, causing difficulty in breathing |
| 2. | Damage to alveolar walls due to smoking |
| 3. | Accumulation of fluid in the pleural cavity |
| 4. | Swelling of the nasal cavity |
| 1. | Excess mucus production blocking bronchioles. |
| 2. | Inflammation of pleural membranes. |
| 3. | Constriction of trachea due to excess fluid accumulation. |
| 4. | Damage to alveolar walls, reducing surface area for gas exchange. |
| Statement A: | In Emphysema, the surface area of gaseous exchange is reduced |
| Statement B: | Due to excessive smoking, the walls of alveoli are damaged |
Match the disorder given in Column-I with the feature most closely related to the disorder in Column-II and select the correct match from the codes given:
| Column-I | Column-II | ||
| A. | Asthma | P. | Inflammation of bronchi and bronchioles |
| B. | Emphysema | Q. | Damage to alveolar walls |
| C. | Occupation lung disease | R. | Pulmonary fibrosis |
| A | B | C | |
| 1. | P | Q | R |
| 2. | Q | P | R |
| 3. | Q | R | P |
| 4. | R | Q | P |
| 1. | Reduction in the secreation of surfactants by pneumocytes |
| 2. | Proliferation of fibrous tissue and damage of alveolar walls |
| 3. | Inflammation of bronchi and bronchioles |
| 4. | Benign growth on mucous lining of alveoli |