Type I hypersensitivity

2. People who are more likely to have these reactions are called ___ individuals
6. For histamine release, mast cells (process name)
8. Reexposure to antigen can lead to a local reaction or systemic ____
12. This cytokine promotes Th2 cells and activates eosinophils
13. Secondary mediator-linked vasodilation can lead to ___
14. It takes ___ for this reaction to begin
16. A quick easy way to test for type 1 hypersensitivities
18. Mediators released by mast cells that enable SM contraction, vascular permeability and gland secretion are___
19. Secondary mediator creation uses which chemical pathway?
20. Are reactions only to harmless antigens?
21. The first stage of type 1 hypersensitivities is called the ___ phase
22. Mast cell degranulation releases histamine, chemotactic factors and ____
23. Itchiness is caused by the

1. Late-phase reaction of the nose
2. This can be administered to counteract low blood pressure and bronchospasms
3. The effector phase involves the immediate hypersensitivity reaction and the ___ reaction
4. The second stage of this reaction is called the ___ phase
5. The effector phase happens after ___ to the antigen
7. Redness seen in type 1 hypersensitivity can be explained by ____
9. The main antibody involved here is ___
10. Respiratory effects of secondary mediators include
11. Type I hypersensitivities are classified as ____, due to their timeframe
15. Both primary and secondary mediators contribute to the production of ___
17. IgE binds to __ receptors during sensitisation
24. Atopic individuals have higher IgE levels because they have more IL-4 producing ___ cells