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': 'Thoracic Sympathetic Chain is situated : \nSelect and explain. \nA. In front of posterior mediastinum, B. Passes superficial to medial arcuate ligament, C. Near heads of 2nd to 10th rib, D. In front of veebral column', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C. i.e. Near heads of 2nd to 10th rib Thoracic sympathetic trunk is a ganglionated chain situated on each side of thoracic veebraQ and crosses the neck of 1st rib, heads of 2" to 10th ribs and bodies of 11th & 12th rib.Q The whole chain descends in front of posterior intercostal vessels & intercostal nervesQ, and passes deep to medial arcuate ligament.Q', 'role': 'assistant'}]