An elderly woman is admitted to the hospital for pneumonia. On her admission labs it is noted that her Hgb is 9 g/dL and MCV is 106 fL.A serum folate level is ordered and is 2 ng/mL (normal 6–20)....

An elderly woman is admitted to the hospital for pneumonia. On her admission labs it is noted that her Hgb is 9 g/dL and MCV is 106 fL.A serum folate level is ordered and is 2 ng/mL (normal 6–20). What do you do next to treat her anemia?

A. Do nothing; her anemia will resolve with resolution of her pneumonia.

B. Begin an oral folate supplement and continue with treatment of her pneumonia.

C. Check a serum vitamin B12 level before treating her anemia.

D. Do not check iron studies before treating her anemia.You already have a diagnosis.

E. Supplement her diet with iron.