Question

which of these is a smoking-related disease that causes permanent damage to the lungs?
○ emphysema
○ dental decay
○ type 2 diabetes
○ stroke

Explanation:

To determine the smoking - related disease that causes permanent lung damage, we analyze each option:

• Emphysema: It is a lung disease often caused by smoking. In emphysema, the alveoli (air sacs) in the lungs are damaged, and this damage is permanent. The walls of the alveoli break down, reducing the surface area available for gas exchange.
• Dental decay: This is related to oral health, mainly caused by bacteria and sugar in the diet, and has nothing to do with lung damage from smoking.
• Type 2 diabetes: It is a metabolic disorder related to insulin resistance and blood sugar regulation, and is not a lung - related disease caused by smoking.
• Stroke: A stroke occurs when there is a disruption of blood supply to the brain, and it is not a lung - related disease caused by smoking.

Answer:

A. emphysema