question: A 23-year-old male presented with a history of fatigue and tiredness. On investigation, he was found to have Hb values of 9gm%, MCV of 101 FL. peripheral smear examination showed microcytic RBC and hypersegmented neutrophils. Which is most probable etiology
opa: Lead poisoning
opb: Iron deficiency anemia
opc: Chronic alcoholism
opd: Hemolytic anemia