Final Answer:
A person with asthma may use bronchodilators to expand the passages of the respiratory tract.
Step-by-step explanation:
Bronchodilators are a class of drugs commonly used by individuals with asthma to alleviate symptoms and improve airflow in the respiratory system. These medications work by relaxing the smooth muscles around the airways, leading to the dilation or expansion of the bronchial passages. The primary objective is to relieve bronchoconstriction, a common feature of asthma where the airways become narrowed, making it difficult for the person to breathe.
In the case of bronchodilators, there are two main types: beta-2 agonists and anticholinergics. Beta-2 agonists, such as albuterol, stimulate beta-2 receptors in the bronchial smooth muscle, causing relaxation and dilation of the airways. Anticholinergics, like ipratropium, work by blocking the action of acetylcholine, a neurotransmitter that promotes bronchoconstriction. Both types of bronchodilators play a crucial role in managing asthma symptoms, providing quick relief during acute attacks and helping to maintain open airways over the long term.
It's important for individuals with asthma to use bronchodilators as prescribed by their healthcare providers. While these medications are effective in providing relief, they do not address the underlying inflammation in the airways, so other medications like inhaled corticosteroids may be prescribed for long-term asthma management. Regular communication with healthcare professionals is essential to ensure the proper use of bronchodilators and to make adjustments to the treatment plan as needed for optimal asthma control.