J.B. developed an opportunistic infection that is to be managed with an antibiotic. J.B. has received this antibiotic once previously with no adverse reactions. Which of the following statements should guide administration of the drug this time?
A) No chance of anaphylaxis since no reaction the first time the antibiotic was given.
B) Anaphylaxis is antibody mediated and may occur on second exposure.
C) Anaphylaxis is T-cell mediated and slow to develop.
D) Antibiotics are rarely associated with anaphylactic reactions.
Correct Answer:
Verified
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Q12: Mast cells bind to the Fc portion
Q13: Autoimmune diseases
A) are due to increased T
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Q18: Type I, II, and III hypersensitivity reactions
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Q20: Delayed-type hypersensitivity reactions require participation by T
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Q22: Match the following mechanisms of hypersensitivity injury
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