A patient with a history of asthma has a sudden attack after smelling perfume. What is the trigger?
Q1. A patient with a history of asthma has a sudden attack after smelling perfume. What is the trigger?
Answer: Respiratory irritation from volatile compounds
Explanation: Perfumes contain irritants that directly trigger bronchoconstriction. Allergies require prior sensitization. USAT, HAT and MDCAT analytical sections repeat this pattern.