This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Wounds, Tissue Repair & Scars), Subject name: Surgery
[{'content': 'Painful lockjaw is seen in case of following EXCEPT? \nSelect and explain. \nA. Tetany, B. Temporo-mandibular joint abscess, C. Mandibular abscess, D. Odontogenic pulp abscess', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) TetanyRef: Harrison 18th ed./352* Painful lock jaw is related to inflammation of anatomical structures of jaw and surrounding structures. Tetanus is characterized by release of tetano-spasmin toxin which causes painful muscle spasm and lockjaw.* However in the question the choice A is Tetany/ Hypocalcemia where either Chvostek sign and Carpo- pedal spasm is seen.', 'role': 'assistant'}]