This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Salivary Gland), Subject name: Surgery
[{'content': 'Most common site of sialolithiasis is \nSelect and explain. \nA. Submandibualr gland, B. Parotid Gland, C. Sublingual Gland, D. Equally common in all salivary glands', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., Submandibualr gland "Eighty percent of all salivary stones occur in the submandibular glands because their secretions are highly viscous." - Bailey and Love 25/eo Eighty percent of submandibular stones are radio-opaque and can be identified on plain radiographs. In contrast parotid stones are usually radiolucent and rarely visible on plain radiography.o Repeat from previous sessions', 'role': 'assistant'}]