This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
[{'content': 'The spaces involved in ludwigs angina are \nSelect and explain. \nA. Sublingual, B. Submandibular, C. Submaxillary, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: LUDWIG'S ANGINA APPLIED ANATOMY :- Submandibular space lies between mucous membrane of the floor of mouth and tongue on one side and superficial layer of deep cervical fascia extending between the hyoid bone and mandible on the other. It is divided into two compaments by the mylohyoid muscle: 1. Sublingual compament (above the mylohyoid). 2. Submaxillary and submental compament (below the mylohyoid). The two compaments are continuous around the posterior border of mylohyoid muscle. Ludwig's angina is infection of submandibular space. Ref:- Dhingra; pg num:-263,264", 'role': 'assistant'}]