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 duct terminates into the left brachiocephalic vein at the junction of ? \nSelect and explain. \nA. External jugular vein and subclan vein, B. Internal jugular vein and subclan vein, C. External jugular vein and brachiocephalic vein, D. Internal jugular vein and brachiocephalic vein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Thoracic duct stas as an upward continuation of cistern chyle which is situated in front of bodies of L1 and L2 veebrae. It ends in the left brachiocephalic vein, at the junction of left internal jugular vein and left subclan vein. Thoracic duct is the largest and elongated common lymphatic channel which conveys lymph from whole pa of the body into the bloodstream, except:Right side of head and neckRight side of faceRight superior extremityRight side of chest wallRight lung and pleuraRight half of hea and pericardiumRight dome of diaphragmRight surface of liver', 'role': 'assistant'}]