This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
[{'content': 'NOT a content of Jugular Foramen \nSelect and explain. \nA. Hypoglossal nerve, B. Glossopharyngeal nerve, C. Occipital arteries, D. Sigmoidal sinus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Hypoglossal nerve# JUGULAR FORAMEN may be subdivided into three compartments, each with their own contents.> Anterior compartment transmits the inferior petrosal sinus.> Intermediate transmits the glossopharyngeal, vagus, and accessory nerves ( cranial nerves number IX, X, and XI respectively).> Posterior transmits the sigmoid sinus (becoming the internal jugular vein) and some meningeal branches from the occipital and ascending pharyngeal arteries.', 'role': 'assistant'}]