This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': "Broca's area is concerned with \nSelect and explain. \nA. Word formation, B. Comprehension, C. Repetition, D. Reading", 'role': 'user'}, {'content': "Answer: A \nExplanation: Broca's area or areas 44, 45 is a region in the frontal lobe with functions linked to speech production. Broca's area also plays a significant role in language comprehension. Lesions involving the Broca's motor speech area results in motor aphasia, also known as Broca's aphasia. Ref: guyton and hall textbook of medical physiology 12 edition page number: 841,842,843", 'role': 'assistant'}]