Trismus is due to infection by______________?
Correct answer: D. Clostridium Tetani
- A. Staphylococci
- B. Streptococci
- C. Diphtheria
- D. Clostridium Tetani
Explanation
Clostridium tetani produces a neurotoxin that causes sustained muscle rigidity and spasms, with masseter spasm producing the classic lockjaw or trismus. Staphylococci and streptococci may cause infections but do not characteristically cause tetanus.
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