This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'All of the following structures forms the boundary of triangle of auscultation? \nSelect and explain. \nA. Trapezius, B. Latissimus dorsi, C. Rhomboids major, D. Medial border of scapula', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The structures forming the boundary of triangle of auscultation are lower pa of medial border of scapula laterally, lateral margin of trapezius medially, and latissimus dorsi below. Winging of scapula is a deformity in which the veebral border and inferior angle of scapula protrude posteriorly due to paralysis of serratus anterior muscle.', 'role': 'assistant'}]