Which chemical exposure is commonly associated with beryllium-related disease among workers in technology and aerospace industries?

• A. Lead
• B. Beryllium
• C. Mercury
• D. Arsenic

Answer: (B)

Exposure to beryllium is the classic cause of beryllium-related disease, which is a granulomatous lung condition known as berylliosis. In technology and aerospace settings, beryllium is used in high-strength, lightweight alloys for parts like aircraft components and defense electronics. When inhaled as dust or fumes, beryllium particles can sensitize susceptible workers and trigger a delayed-type hypersensitivity reaction, leading to noncaseating granulomas in the lungs and symptoms such as cough and progressive shortness of breath. This occupational pattern and pathophysiology are distinct from toxins like lead, mercury, or arsenic, which cause different clinical syndromes. Thus, ongoing Be exposure in these industries is the typical association with beryllium-related disease.