This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'The connection between External and Internal Jugular vein is \nSelect and explain. \nA. Posterior External Jugular vein, B. Oblique Jugular vein, C. Anterior Jugular vein, D. Transverse cervical vein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In the middle of the neck, the internal jugular vein may communicate with the external jugular vein through the oblique jugular vein which runs across the anterior border of the sternocleidomastoidReference: Chourasia; 6th edition; 86th page', 'role': 'assistant'}]