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</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</p> Signup and view all the answers

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

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

    What is the main source of oxidants in COPD?

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

    What is the role of α1-antitrypsin in COPD?

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

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

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

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

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

    What are the sources of oxidants in COPD?

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

    What contributes to disease pathogenesis in patients with COPD?

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

    What is the main cause of COPD?

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

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