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Week SevenInitial PostIron Deficiency AnemiaHemoglobin allows healthy red blood cells to carry oxygenated blood to cells in our body andwhenever there is not enough iron to produce hemoglobin a person may develop iron deficiencyanemia, (Mayoclinic, 2018).Pathophysiology of Pernicious AnemiaPernicious Anemia is a disease that is seen in people with dietary deficiencies (vegans),gastrointestinal pathology and post-surgical malabsorption, (Farhanan, et. al., 2014). There isdestruction of parietal cells that leaves an impaired or absent intrinsic factor in the body whichcauses B-12 deficiency, (Mayoclinic, 2018).Intrinsic factor impairment may be congenital and could be caused by an autoimmune responsein the body from a genetic source, (Huether, McCance, 2017).Genotypes HLA-DRB1*03 andDRB1*04 pattern is seen in patients with this disease, (Farhanah, Y., (2014).“Cobalamin is vital for DNA synthesis and hematopoietic cell division and it is ingested, then