This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck, Subject name: Anatomy
[{'content': 'Great cerebral vein drains into - \nSelect and explain. \nA. Transverse sinus, B. IJV, C. Straight sinus, D. Superior cerebral vein', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Straight sinus * Great cerebral vein of Galen: It is formed by the union of two internal cerebral veins, is 2 cm long and drains into the straight sinus. Its tributaries are:- (a) Internal cerebral veins, (b) Basal veins, (c) Occipital veins, (d) Posterior callosal vein", 'role': 'assistant'}]