American Board of Internal Medicine (ABIM) Certification Practice Exam

Which class of drugs should be controlled or eliminated in the treatment of occupational asthma?

1. Corticosteroids

2. Antihistamines

3. Allergens

4. Bronchodilators

The correct answer is: Allergens

In the context of occupational asthma, the focus is on managing exposure to specific triggers that can exacerbate respiratory symptoms in individuals, particularly in work environments where certain substances may be present. The correct approach entails controlling or eliminating allergens, which are substances that can provoke allergic reactions and asthma symptoms. Occupational asthma is often associated with exposure to specific irritants or allergens in the workplace. By identifying and controlling allergens, such as dust, fumes, or chemicals, employers and healthcare providers can significantly reduce the frequency and severity of asthma attacks. This is particularly important because even minimal exposure to these allergens can lead to significant respiratory complications in sensitive individuals. Controlling allergens aligns with the overarching goal of asthma management, which is to minimize exposure to triggers, thereby improving patient outcomes. This differs from the roles of other drug classes mentioned. For instance, corticosteroids and bronchodilators are used to manage the symptoms of asthma rather than address the root cause related to allergen exposure. Antihistamines primarily help with allergic reactions and symptoms outside of the immediate asthma exacerbations linked to occupational triggers. Thus, eliminating allergens is essential in the treatment plan for occupational asthma to foster a healthier work environment and prevent asthma-related complications.