**Core Concept**
Exercise-induced asthma (EIA) is a type of asthma triggered by physical exertion, leading to bronchospasm and airway obstruction. Inhaled corticosteroids (ICS) are the cornerstone of long-term management, while short-acting beta-2 agonists (SABAs) are used for acute relief.
**Why the Correct Answer is Right**
The correct answer is the most effective treatment for EIA. SABAs work by stimulating beta-2 receptors in the lungs, causing bronchodilation and relieving bronchospasm. They are fast-acting and provide quick relief from symptoms. In addition, SABAs are often used as rescue medication for acute asthma exacerbations. The combination of ICS for long-term control and SABAs for acute relief is the most effective treatment strategy for EIA.
**Why Each Wrong Option is Incorrect**
* **Option A:** Inhaled anticholinergics, such as tiotropium, are not the best first-line treatment for EIA.
* **Option B:** Oral corticosteroids are not typically used for long-term management of EIA, as they can have significant side effects.
* **Option D:** Long-acting beta-agonists (LABAs) may be used in combination with ICS for severe asthma, but they are not the best choice for EIA.
**Clinical Pearl / High-Yield Fact**
It's essential to identify and avoid triggers of EIA, such as cold air, exercise, and allergens, to prevent asthma symptoms. Patients with EIA should also be educated on proper inhaler technique and medication use.
**Correct Answer: C. SABAs**
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