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: Pathology
[{'content': 'The pathogenesis hypochromic anemia in lead poisoningis due to : \nSelect and explain. \nA. Inhibition of enzymes involved in hemebiosynthesis., B. Binding of lead to transferrin, inhibiting thetranspo of iron., C. Binding of lead to cell membrane of erythroidprecursors, D. B inding of lead to ferritin inhibiting their breakdowninto hemosiderin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . Inhibition of enzymes involved in hemebiosynthesis.', 'role': 'assistant'}]