<prompt> A small girl with neuropsychiatry symptoms has a habit of licking paint in walls .Symptoms due to inhibition ofALA dehydrataseALA synthaseHeme oxygenaseCPG oxidase  <response>: It is a case of lead poisoning. Specifically, lead decreases heme biosynthesis by inhibiting aminolevulinic acid dehydratase ALAD and ferrochelatase. patients presents with microcystic hypochromic anemia. 