The nurse is caring for a client with an allergic reaction. What is the nurse's understanding of this type of hypersensitivity reaction?
A) It is a Type I reaction, an IgE mediated disorder.
B) It is a Type II reaction, an antibody-mediated disorder.
C) It is a type III reaction, a complement-mediated disorder.
D) It is a type IV reaction, a T-cell mediated disorder.
A) It is a Type I reaction, an IgE mediated disorder.
Explanation: A) Type I reactions are IgE-mediated disorders. Type II reactions are antibody-mediated disorders and involve IgG or IgM antibodies, not IgE. Type III reactions are complement-mediated immune disorders. Type III reactions lead to localized inflammation, not systemic like types I and II. Type IV reactions are T-cell-mediated disorders, not involving IgE.
B) Type I reactions are IgE-mediated disorders. Type II reactions are antibody-mediated disorders and involve IgG or IgM antibodies, not IgE. Type III reactions are complement-mediated immune disorders. Type III reactions lead to localized inflammation, not systemic like types I and II. Type IV reactions are T-cell-mediated disorders, not involving IgE.
C) Type I reactions are IgE-mediated disorders. Type II reactions are antibody-mediated disorders and involve IgG or IgM antibodies, not IgE. Type III reactions are complement-mediated immune disorders. Type III reactions lead to localized inflammation, not systemic like types I and II. Type IV reactions are T-cell-mediated disorders, not involving IgE.
D) Type I reactions are IgE-mediated disorders. Type II reactions are antibody-mediated disorders and involve IgG or IgM antibodies, not IgE. Type III reactions are complement-mediated immune disorders. Type III reactions lead to localized inflammation, not systemic like types I and II. Type IV reactions are T-cell-mediated disorders, not involving IgE.
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