This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pectoral Region, Axilla & Brachial Plexus, Subject name: Anatomy
[{'content': 'Anterior axillary fold is due to which muscle - \nSelect and explain. \nA. Pectoralis major, B. Pectoralis minor, C. Subscapularis, D. Teres major', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Pectoralis major o Anterior axillary fold is rounded in shaped and is formed by pectoralis major (lower border),o Posterior axillary fold is formed by teres major and latisimus dorsi.", 'role': 'assistant'}]