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': 'Which among the following statement is not true? \nSelect and explain. \nA. Superior thyroid aery is a branch of ext. carotid a, B. Posterior branch of superior thyroid aery supplies parathyroid gland, C. Inferior thyroid aery is branch of thyrocervical trunk, D. Thyroid ima aery is invariably a branch of arch of aoa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The thyroid ima aery is infrequent (10%) and variable in its orgin. It arises from the brachiocephalic aery, aoic arch, right common carotid aery, internal thoracic aery, or subclan aery.', 'role': 'assistant'}]