COPD Quiz

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Questions and Answers

Which of the following is the main cause of Chronic Obstructive Pulmonary Disease (COPD)?

  • Cigarette smoking (correct)
  • Exposure to air pollution
  • Excessive alcohol consumption
  • Inherited genetic factors

What is the role of α1-antitrypsin in COPD?

  • It inhibits neutrophil elastase (correct)
  • It promotes cell death and fibrosis
  • It reduces lung function
  • It causes oxidative stress

What are the sources of oxidants in COPD?

  • Exposure to air pollution
  • Cigarette smoking and air pollution (correct)
  • Excessive alcohol consumption
  • Inherited genetic factors

What is consistently detected in higher levels in the exhaled breath condensate of patients with COPD compared to healthy controls?

<p>Lipid peroxidation products (D)</p> Signup and view all the answers

How is the level of oxidative stress in patients with COPD correlated with their lung function?

<p>It is inversely correlated (C)</p> Signup and view all the answers

Which of the following is a major factor in the pathogenesis of COPD?

<p>Oxidative stress (A)</p> Signup and view all the answers

What is the main source of oxidants in COPD?

<p>Cigarette smoking (A)</p> Signup and view all the answers

What is the role of α1-antitrypsin in COPD?

<p>Inhibition of neutrophil elastase (A)</p> Signup and view all the answers

What is consistently detected in higher levels in the exhaled breath condensate of patients with COPD compared to healthy controls?

<p>Lipid peroxidation products (D)</p> Signup and view all the answers

Which of the following is significantly elevated in patients with COPD compared to controls?

<p>HNE levels (D)</p> Signup and view all the answers

What is the level of oxidative stress in patients with COPD inversely correlated with?

<p>Lung function (C)</p> Signup and view all the answers

What are the sources of oxidants in COPD?

<p>Cigarette smoking and air pollution (B)</p> Signup and view all the answers

What contributes to disease pathogenesis in patients with COPD?

<p>Oxidative stress (D)</p> Signup and view all the answers

What does chronic exposure to oxidants in cigarette smoke cause in COPD pathogenesis?

<p>Inflammatory response and other pathological cascades (C)</p> Signup and view all the answers

What is the main cause of COPD?

<p>Cigarette smoking (B)</p> Signup and view all the answers

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