Definition: Bronchitis is the inflammation of the bronchi, leading to mucus production, cough, and airway irritation. It is classified as acute (short-term, usually viral) or chronic (lasting ≥3 months for at least two consecutive years, often linked to smoking or COPD) Etiology: Viral infections (e.g., influenza, rhinovirus, RSV, coronavirus) Bacterial…

Definition: Bronchial asthma is a chronic inflammatory airway disorder characterized by reversible airway obstruction, bronchial hyperresponsiveness, and excessive mucus production. Asthma is a common topic in the NCLEX-RN, requiring knowledge of pathophysiology, triggers, medication management, nursing interventions, and patient education. Pathophysiology: Asthma involves three key processes: Airway Inflammation – Triggered…