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10809 Biochemistry

A 68-year-old patient developed atrophic gastritis and, 2 years later, developed a macrocytic, hyperchromic anemia. His anemia has most likely occurred due to which one of the following reasons?

AThe atrophic gastritis leads to vitamin B12 malabsorption.
BThe atrophic gastritis raises the pH in the duodenum, leading to folate malabsorption.
CThe terminal ileum is also involved, so iron is malabsorbed.
DThe atrophic gastritis leads to increased red blood cell absorption by the spleen.
Biochemistry
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