Describe the following and give examples: Type I (Immediate) hypersensitivity - Type II hypersensitivity - Type III hypersensitivity - Type IV (delayed) hypersensitivity -
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It involves the release of histamine and other chemicals from mast cells and basophils, leading to symptoms such as hives, itching, swelling, and in severe cases, anaphylaxis. Show more…
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Please select all of the correct answers in this question to test your understanding of Type 4 hypersensitivity.
Sri K.
In which one of the following combinations of hypersensitivity reactions are $\mathrm{B}$ cells involved? a) Type I, but not types II, III, and IV hypersensitivity b) Type IV, but not types I, II, and III hypersensitivity c) Types I, II, and III, but not type IV hypersensitivity d) Types II, III, and IV, but not type I hypersensitivity e) $\mathrm{B}$ cells are involved in all types of hypersensitivity.
Which of the following pairs is mismatched? a. Hay fever - type IV hypersensitivity b. Transfusion reaction - type II hypersensitivity c. Serum sickness - type III hypersensitivity d. Poison ivy dermatitis - type IV hypersensitivity e. Food allergy - type I hypersensitivity
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