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 poisoning is due to - \nSelect and explain. \nA. Inhibition of enzymes involved in heme biosynthesis, B. Binding of lead to transferrin, inhibiting the transpo of iron, C. Binding of lead to cell membrane of erythroid precursors, D. Binding of lead to ferritin inhibiting their breakdown into hemosiderin', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Inhibiton of enzymes involved in Heme biosynthesis o Lead interferes with the syntheiss of Heme by inhibiting the enzymes d Aminolevulinic acid dehydrase and Ferrochelatase. These two enzymes are involved in the synthesis of Heme.", 'role': 'assistant'}]