CDR Gerontology Nutrition Practice Exam – Study Guide & Practice Test

Chronic disease anemia, also known as anemia of chronic inflammation, is often seen in individuals with long-standing infections, inflammatory diseases, or malignancies. This type of anemia occurs as the body responds to ongoing inflammation by altering iron metabolism, affecting red blood cell production and lifespan.

In conditions characterized by chronic inflammation, such as rheumatoid arthritis or chronic kidney disease, the body releases specific proteins like hepcidin that regulate iron in the bloodstream. This leads to reduced iron availability for hemoglobin synthesis, resulting in anemia. The bone marrow is stimulated by inflammatory cytokines, yet the production of red blood cells becomes dysfunctional, leading to characteristic findings in blood samples, such as low serum iron and low transferrin saturation despite normal ferritin levels.

In contrast, other types of anemia, such as folic acid deficiency, iron deficiency, and vitamin B12 deficiency, are typically related to a lack of specific nutrients or malabsorption rather than a response to inflammation or chronic disease. Each of these conditions has its unique causes and implications, separate from the mechanisms that drive chronic disease anemia. Thus, the context of chronic infections or inflammatory states specifically leads to chronic disease anemia, making it the correct answer in this scenario.