Which of the following is not a common sign and symptom of chronic bronchitis?

  1. Cor pulmonale
  2. Increased expiratory flow rate
  3. Crackles and wheezes
  4. Polycythemia
Explanation

Answer: B - The common signs and symptoms of chronic bronchitis do not include increased expiratory flow rate. Instead, "decreased expiratory flow rate" is a common feature.

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