Ace the 2026 ATI Pathophysiology Test – Dive Into Disease with Confidence!

Question: 1 / 400

What is a common cause of chronic obstructive pulmonary disease (COPD)?

Allergic reactions to pollen

Long-term exposure to smoking

Long-term exposure to smoking is a well-established and primary cause of chronic obstructive pulmonary disease (COPD). Smoking leads to significant damage in the lungs and airways, resulting in inflammation, mucus production, and structural changes that obstruct airflow. The harmful substances in tobacco smoke irritate lung tissues, promoting chronic bronchitis and emphysema, the two main components of COPD.

This direct causal relationship between smoking and COPD has been heavily researched and documented, making it a key area of focus for prevention and treatment strategies. While other factors may contribute to respiratory health, such as environmental pollutants or genetic predispositions, smoking remains the predominant risk factor for the development of COPD in affected individuals.

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Obesity and poor diet

Excessive exercise

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