Microbiology Which of the following best denotes classical complement pathway activation in immune inflammatory condition? A C2, C4 and C3 decreased B C2 and C4 normal, C3 is decreased C C3 normal and C2, C4 decreased D C2, C4, C3 all are elevated 💡 Explanation Which of the following best denotes classical complement pathway activation in immune inflammatory condition? ✓ Correct Answer: A. C2, C4 and C3 decreased