The most effective way to reduce smoking related disease in a population is
Correct answer: C. preventing people from starting and supporting smokers to quit
- A. treating lung cancer at an earlier stage
- B. giving antibiotics to all smokers
- C. preventing people from starting and supporting smokers to quit
- D. switching smokers to cigars
Explanation
Emphysema and cancer are largely irreversible once established, so prevention and cessation save far more lives than treatment of late disease. Cigars carry the same tobacco harms.
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About Human Respiratory System
The human respiratory system conducts air to the alveoli, where oxygen and carbon dioxide exchange occurs across thin respiratory surfaces. Questions cover the nasal passage, trachea, bronchi, lungs, diaphragm and intercostal muscles, ventilation mechanics and gas transport, while distinguishing breathing and gaseous exchange from cellular respiration.
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