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Chronic Obstructive Pulmonary Disease (COPD)

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Chronic Obstructive Pulmonary Disease (COPD)

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Questions and Answers

What is the main reason for the impaired gas exchange in COPD?

Increased physiological dead space

Decreased exercise tolerance

Airflow limitation and gas trapping

Loss of alveolar walls and capillary beds (correct)

Which of the following is NOT a contributing factor to the decreased exercise tolerance in COPD?

Cardiac changes

Neurological changes (correct)

Ventilatory changes

Skeletal muscle changes

Which of the following is the primary cause of airflow limitation and gas trapping in COPD?

Inflammation of the airways

Increased mucus production

Loss of elastic recoil in the airways (correct)

Narrowing of the bronchioles

What is the likely cause of the barrel chest shape observed in people with COPD?

Hyperinflation of the lungs Signup and view all the answers

Which of the following is NOT a common symptom experienced by people with COPD?

Chest pain Signup and view all the answers

What is the main physiological mechanism behind the development of digital clubbing in COPD?

Chronic hypoxemia Signup and view all the answers

What is the most common cause of COPD?

Smoking Signup and view all the answers

Which of the following is NOT a characteristic of emphysema in COPD?

Impaired mucociliary function Signup and view all the answers

What is the visual analogy used in the passage to remember the pathophysiology of emphysema?

Bubble wrap with all the individual air sacks popped Signup and view all the answers

According to the passage, which of the following is NOT a contributing factor for the development of COPD?

High socioeconomic status Signup and view all the answers

What is the main difference between chronic bronchitis and emphysema in COPD?

Both a and b Signup and view all the answers

What is the predicted ranking of COPD as a leading cause of death worldwide by 2030?

The fourth leading cause of death Signup and view all the answers