<prompt> Megaloblastic anemia due to folic acid deficiency is commonly due to:Inadequate dietary intakeDefective intestinal absorptionAbsence of folic acid binding protein in serumAbsence of glutamic acid in the intestine  <response>: - Folic acid deficiency is primarily dt - insufficient intake and increased demand - Vitamin B12 deficiency is primarily dt - malabsorption. MEGALOBLASTIC ANAEMIA: - Cause - vit B12 Folic acid deficiency - Peripheral smear shows : Anisopoikilocytosis, Macro ovalocytes, Hypersegmented neutrophils - TREATMENT: Vitamin B12 and Folic acid supplementation. 