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What is the purpose of expectorants in medication?

  1. To decrease swelling and inflammation

  2. To widen air passages in lungs

  3. To thin mucus for easy removal

  4. To relieve pain

The correct answer is: To thin mucus for easy removal

Expectorants are medications that are specifically designed to thin mucus in the respiratory tract, making it easier for individuals to cough and remove the mucus from their airways. This helps in clearing the airways and improving breathing. The other options are not the purpose of expectorants. Option A, decreasing swelling and inflammation, is more aligned with anti-inflammatory medications. Option B, widening air passages in the lungs, is related to bronchodilators. Option D, relieving pain, is typically the function of analgesic medications.