Spasm of masseter muscles occur in______________?
Correct answer: A. Tetanus
- A. Tetanus
- B. Trigeminal neuraligia
- C. Tuberculous meningitis
- D. Rabies
Explanation
Tetanus causes painful generalized muscle rigidity and masseter spasm, producing trismus or lockjaw. This is caused by tetanospasmin from Clostridium tetani, not by trigeminal neuralgia or rabies.
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