NCLEX Hematology Practice Test

Microcytic, hypochromic anemia is most often due to iron deficiency, because iron is essential for hemoglobin production. When iron stores are low, hemoglobin synthesis drops, red blood cells become smaller (microcytic) and paler (hypochromic). In taking a patient’s history, the most informative clue is whether the person has inadequate iron intake, which directly reduces iron availability for making new red cells.

Folic acid deficiency, by contrast, leads to macrocytic anemia with larger red cells, so asking about folic acid intake isn’t as relevant to a microcytic, hypochromic presentation. A history of gastric surgery can affect iron absorption and contribute to iron deficiency, so it’s plausible but less direct than current dietary intake. History of sickle cell disease typically causes normocytic anemia rather than microcytic, so it doesn’t fit the pattern as well.

Thus, querying dietary iron intake best aligns with the pattern of microcytic, hypochromic anemia.