When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?
Correct answer: C. Arthus phenomenon
- A. Atopy
- B. Anaphylaxis
- C. Arthus phenomenon
- D. Serum sickness
Explanation
The Arthus phenomenon is a local immune-complex reaction in a previously sensitised animal, causing oedema, haemorrhage and necrosis at the site of antigen injection. Generalised anaphylaxis affects the whole body, whereas serum sickness is a systemic immune-complex illness.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Immunology
90 free Immunology MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Microbiology questions like this
Microbiology is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
ELISA test when compared to western blot technique is______________?
The overall effect of HIV is to gradually impair the immune system by interference with______________?
Normal ratio of CD4 (T4) : CD8 (T8) is_________________?
CD4 count in normal healthy adult is_______________?
A mother donated a kidney to her daughter having chronic renal failure, which kind of graft it represents________________?