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        NURS 6501: MIDTERM EXAM: Please contact Assignment Samurai for help with NURS 6501: Midterm Exam or any other assignment. Email: assignmentsamurai@gmail.com   Which of the following findings is NOT typical for chronic bronchitis? Group of answer choices
  • Secondary polycythemia
  • No significant V/Q mismatch
  • Wheezing on lung exam
  • Hypercapnia and hypoxemia
  The correct answer is: No significant V/Q mismatch. Explanation: Chronic bronchitis is characterized by inflammation of the airways and excessive mucus production, leading to a productive cough for at least three months per year for two consecutive years. It is one of the conditions classified under Chronic Obstructive Pulmonary Disease (COPD). Let's break down the options:
  1. Secondary polycythemia:
    • This is a common finding in chronic bronchitis. Due to hypoxemia (low oxygen levels), the body compensates by increasing the production of red blood cells, which leads to polycythemia (increased red blood cell mass).
  2. No significant V/Q mismatch:
    • This is NOT typical for chronic bronchitis. In chronic bronchitis, there is a significant V/Q mismatch (ventilation-perfusion mismatch). This is due to the airway obstruction, where certain areas of the lung may receive adequate ventilation but poor perfusion, or vice versa. This leads to impaired gas exchange and contributes to hypoxemia.
  3. Wheezing on lung exam:
    • Wheezing is a common finding in chronic bronchitis due to airway narrowing and inflammation. It is a common sign of airway obstruction.
  4. Hypercapnia and hypoxemia:
    • These are common findings in chronic bronchitis. Due to the inability to effectively exchange gases (especially oxygen and carbon dioxide) because of airway obstruction, patients often develop hypoxemia (low oxygen) and hypercapnia (elevated carbon dioxide).
Conclusion:
  • No significant V/Q mismatch is NOT typical for chronic bronchitis because there is usually some degree of ventilation-perfusion mismatch due to the obstructed airways.