Emergency Medical Technician (EMT) Basic Certification Practice Exam

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Prepare for the Emergency Medical Technician Certification Exam. Engage with flashcards and multiple-choice questions, each with detailed hints and explanations. Ensure success on your exam today!

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What triggers asthma?

  1. Viral infections

  2. Irritants and allergens

  3. Genetic factors

  4. Temperature changes

The correct answer is: Irritants and allergens

Asthma is a chronic respiratory condition often triggered by a variety of environmental factors, primarily irritants and allergens. These triggers can include pollen, dust mites, pet dander, mold, smoke, and strong odors, among others. When a person with asthma comes into contact with these substances, their airways can become inflamed and constricted, leading to symptoms such as wheezing, shortness of breath, chest tightness, and coughing. While viral infections, genetic factors, and temperature changes can also play a role in the onset or exacerbation of asthma symptoms, irritants and allergens are the most common immediate triggers for asthma attacks. This makes awareness and management of potential allergens critical for individuals with asthma. Understanding this helps EMTs in patient assessments and providing appropriate care and advice regarding asthma management.