A patient with a bleeding problem is complaining to her physician about excessive fatigue. Physical examination reveals a thin, pale woman with pale mucosal membranes. Significant CBC findings include an MCV of 70 fl

Based on these findings, follow-up testing should be ordered for:

a. Iron studies
b. Vitamin B12 and folate assays
c. Coagulation screening tests
d. A bone marrow aspirate

Correct Answer: A