Bronchodilators:

A) promote the removal of mucus.
B) break chemical bonds in mucus.
C) improve pulmonary airflow.
D) depress the cough center.

Bronchodilators

Medications that relax the muscles around the airways and open up the breathing passages, used to treat respiratory conditions like asthma and chronic obstructive pulmonary disease (COPD).

Pulmonary Airflow

The movement of air into and out of the lungs through the respiratory tract.

Mucus

A sticky, slippery secretion produced by glands and membranes within the body, serving to moisten, lubricate, and protect.