Florida State Paramedic Practice Exam

Which of the following is a common trigger for croup in children?

1. Bacterial infection

2. Viral infection

3. Allergic reaction

4. Environmental pollution

The correct answer is: Viral infection

Viral infections are commonly recognized as a primary trigger for croup in children. The most prevalent viruses associated with croup include parainfluenza viruses, which often lead to inflammation of the larynx and trachea, causing the characteristic barking cough and stridor associated with this condition. While bacterial infections can occur in conjunction with croup, they are not the common trigger for the condition itself. Allergic reactions and environmental pollution may contribute to respiratory issues, but they are less directly related to the specific diagnosis of croup, which is primarily viral in nature. Understanding that croup is predominantly caused by viral pathogens allows healthcare providers to focus on appropriate management strategies, which often include supportive care and, in some cases, corticosteroids to reduce airway inflammation.