The most serious impairment of opsonization and antimicrobial defense is caused by a deficiency in complement component:

Question

Quizplus · Accepted Answer

C3 is a central complement component that activates the complement cascade and is crucial for opsonization and antimicrobial defense. A deficiency in C3 leads to severe impairment of these processes, increasing the susceptibility to infections. Deficiencies in C1q, factor B, and C5 also cause impairment in complement activation, but not to the extent of a deficiency in C3.

The Most Serious Impairment of Opsonization and Antimicrobial Defense Is