[Expert Solution]: A patient presents with fatigue and pallor

A patient presents with fatigue and pallor. Her recent blood tests show a significant decrease in hemoglobin levels. Prior to the development of hypochromic, microcytic anemia, which of the following biochemical changes is most likely to be observed, considering her history of chronic low dietary iron intake? Increased transferrin Increased ferritin saturation Increased ferritin Increased transferrin saturation