A patient has normal dietary iron intake but presents with signs of microcytic anemia; lab tests show low serum ceruloplasmin (a copper-dependent enzyme). Analyze how a copper deficiency could produce anemia in this context.

Copper acts mainly by increasing dietary iron bioavailability through stomach acid neutralization; low copper therefore means reduced stomach acidity and failure to digest iron-containing food proteins.

Copper deficiency leads directly to overproduction of hemoglobin, which paradoxically appears as anemia on lab tests because red blood cells become too small and are cleared faster by the spleen.

Copper-dependent enzymes like ceruloplasmin are required for iron transport and mobilization from storage; if ceruloplasmin is low, iron cannot be effectively converted to a transportable form or incorporated into hemoglobin, causing anemia despite adequate iron intake.

Low ceruloplasmin enhances intestinal iron absorption so severely that iron overload occurs and lab measurements of hemoglobin become artificially low due to dilutional effects.