Out of the following hypersensitivity reactions, in which type a single dose of the antigen can act as both the sensitizing and shocking dose_______________?
Correct answer: C. Serum sickness
- A. Anaphylaxis
- B. Arthus reaction
- C. Serum sickness
- D. Contact dermatitis
Explanation
In serum sickness, one large antigen dose can provide the initial sensitisation and later produce immune-complex disease as antibody develops. Anaphylaxis and the Arthus reaction classically require a prior sensitising exposure followed by a challenging exposure.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Immunology
90 free Immunology MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Microbiology questions like this
Microbiology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Immunology questions
Which of the following is most potent antigen for stimulating both humoral and cell mediated immunity ?
A mother donated a kidney to her daughter having chronic renal failure, which kind of graft it represents________________?
CD4 count in normal healthy adult is_______________?
Anaphylaxis refers to the________________?
Components of innate immunity that are active against viral cells includes______________?
Chemotactic cytokine is_________________?