Qualified Medication Aides (QMA) Practice Exam

What is the action of an antitussive medication?

1. Promotes mucus production

2. Increases respiratory rate

3. Depresses cough

4. Stimulates bronchial dilation

The correct answer is: Depresses cough

Antitussive medications are specifically designed to suppress or reduce the cough reflex. This action is beneficial for individuals who may be experiencing a dry cough that does not aid in clearing mucus from the airways, often associated with conditions like a common cold or irritants in the respiratory tract. By depressing the cough reflex, these medications help alleviate discomfort and allow for more restful periods without the interruption of frequent coughing. The other options do not align with the primary function of antitussive medications. While promoting mucus production pertains to expectorants, increasing respiratory rate is typically associated with stimulants or certain respiratory conditions, and stimulating bronchial dilation relates to bronchodilators used in treating asthma or COPD. Each of these actions serves different therapeutic purposes, making the mechanism of antitussives distinct in the context of managing cough.