This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Extremity, Subject name: Anatomy
[{'content': 'Which muscle arises from supraglenoid tubercle? \nSelect and explain. \nA. Long head of Bisceps, B. Short head of Bisceps, C. Long Head of triceps, D. Coracobrachialis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Long head of BiscepsThe supraglenoid tubercle is a region of the scapula from which the long head of the biceps brachii muscle originates. It is a small, rough projection superior to the glenoid cavity near the base of the coracoid process. The term supraglenoid is from the Latin supra meaning above and glenoid meaning socket or cavity.', 'role': 'assistant'}]