Multiple choice general knowledge science & technology

Lock Jaw, i.e., difficulty in opening the mouth is a symptom of

  1. Cholera

  2. Plague

  3. Tetanus

  4. Diphtheria
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C Correct answer
Explanation

Lock jaw (trismus) is a characteristic symptom of tetanus, caused by toxins produced by Clostridium tetani bacteria. These toxins cause severe muscle spasms, particularly in the jaw and neck muscles. Cholera, plague, and diphtheria do not cause this specific jaw symptom.

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