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: Physiology
[{'content': 'Motor aphasia refers to defect in : \nSelect and explain. \nA. Peripheral speech apparatus, B. Verbal expression, C. Auditory comprehension, D. Verbal comprehension', 'role': 'user'}, {'content': "Answer: B \nExplanation: B i.e. Verbal expressionMotor aphasia also known as expressive aphasiaQ is a disorder of thought and word finding (formation) resulting in inadequate verbal expressionQ.Lesion siteQInferior frontal gyrusQ or Broca's area (Area 44)immediately anterior to primary motor coex & abovesyln fissure.Caused/t occlusion of superior branch of middle cerebralaeryQComprehensionPreserved (except grammer)(2FluencyDecreasedQ: Speech is not fluent, laboured, dysahric &interrupted with many word finding pauseQ. It istelegraphic but informative.In wernicke's area (supramarginal gysus) of theparietal lobe & upper pa of temporal lobe.d/t occlusion of inferior division of middlecerebral aeryQ.Impaired(2Preserved or increased: Speech fluent but highlyparaphasic & associated with neologism (Jargonaphasia)QNamineImpairedRepetitionsImpairedNeologismsAbsentInsightInsight into condition is preserved", 'role': 'assistant'}]