Pathogenesis of diphtheria is attributed to__________________?
Correct answer: C. Exotoxin
- A. Invasion
- B. Endotoxin
- C. Exotoxin
- D. Capsule
Explanation
Corynebacterium diphtheriae causes disease mainly through diphtheria exotoxin, which inhibits host protein synthesis by inactivating elongation factor 2. The organism generally remains localized rather than invading deeply.
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