Moderate
Anaphylotoxins are___________?
Correct answer: A. C3a, C5a
- A. C3a, C5a
- B. C3b, C5a
- C. C2, C3
- D. C3b, C5b
Explanation
C3a and C5a are anaphylatoxins because they trigger mast-cell degranulation and increase vascular permeability. C5a also acts as a powerful neutrophil chemotactic factor, whereas C3b mainly promotes opsonisation.
Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Inflammation and Repair
53 free Inflammation and Repair MCQs from Pathology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Pathology questions like this
Pathology 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.