Review Q Flashcards
1
Q
A 24-year-old man presents to you with frequent episodes of pronounced sneezing, watery nasal discharge, nasal congestion, and tearing. The symptoms first appeared about 4 weeks earlier, in the first days of fall. They were particularly frequent when he was working in his yard. He had moved to the area 4 years earlier. He has noted some relief of symptoms with an over-the-counter antihistamine. His physical examination shows only mild nasal congestion.
The acute symptoms of allergic rhinitis are precipitated by which of the following?
T-lymphocyte activation
degranulation of mast cells
infiltration of eosinophils
platelet activation
A
degranulation of mast cell
