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A long-term smoker develops a chronic cough and frequent respiratory infections. Which physiological change in the respiratory tract primarily contributes to this increased susceptibility?
Thickening of bronchial walls
Narrowing of bronchi
Destruction of cilia in the upper respiratory tract
Increased mucus production
Destruction of cilia in the upper respiratory tract
Practice and solve "A long-term smoker develops a chronic cough and frequent respiratory infections. Which physiological..." for General Science - Previous Year Paper 2026. The correct answer is Option C: Destruction of cilia in the upper respiratory tract. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A long-term smoker develops a chronic cough and frequent respiratory infections. Which physiological..." for General Science - Previous Year Paper 2026. The correct answer is Option C: Destruction of cilia in the upper respiratory tract. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.