Which of the following is an occupational respiratory disorder?

Correct option is A

Correct Answer: (a)
Explanation:
Silicosis is an occupational lung disease caused by prolonged inhalation of silica dust, commonly affecting mine and stone industry workers. It leads to inflammation and fibrosis of lung tissue.
Information Booster:
Silicosis is a type of pneumoconiosis.
Caused by crystalline silica exposure (e.g., quartz, sandblasting, mining).
Symptoms: chronic cough, shortness of breath, fibrosis, and reduced lung capacity.
Preventive measures: dust control, respirators, proper ventilation.
It is non-infectious but progressive and irreversible.
Additional Information (Incorrect Options):
(b) Botulism – bacterial food poisoning (caused by Clostridium botulinum).
(c) Emphysema – smoking-related chronic obstructive lung disease, not occupational.
(d) Anthrax – bacterial infection (Bacillus anthracis), not specific to occupational dust exposure.