A 10-year-old male is stung by a bee while playing in the yard. He begins itching and develops pain, swelling, redness, and respiratory difficulties. He is suffering from:
a. immunodeficiency.
b. autoimmunity.
c. anaphylaxis.
d. tissue-specific hypersensitivity.
ANS: C
Anaphylaxis occurs within minutes of reexposure to the antigen and can be either systemic (gen-eralized) or cutaneous (localized). Immunodeficiency is a decrease in the immune response. Au-toimmunity is a disturbance in the immunologic tolerance of self-antigens. Tissue-specific reac-tion is an autoimmune reaction.
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