Please order the following choices to reflect the mechanism and development of an immediate (Type 1) allergic reaction Rank the options below
IgE coats (sensitizes) mast cells and basophils.
A provoking exposure to the allergen occurs and mast cells and basophils degranulate, releasing histamine and other allergic mediators,
Individual experiences allergy symptoms.
B cells produce IgE directed against the allergen.
Individual is exposed to a sensitizing dose of an allergen.

The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound.

Explanation:

AN

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Explanation:

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if you know your abc's you should be able to get your answer or just use google

well, i believe that the answer is 2. : 3