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  • Immunology (GATE - XL)
  • Which of the following complement proteins are anaphyloto...
Multiple choice

Which of the following complement proteins are anaphylotoxins?

  1. C3a, C4a, C5a

  2. C1a, C2a, C3a

  3. C1b, C2b, C3b

  4. C3b, C4b, C5b

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A Correct answer
Explanation

C3a, C4a and C5a proteins are anaphylotoxins. They cause smooth muscle contraction.

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