Choose the correct answer: A 70-year-old adult presents to t…
Choose the correct answer: A 70-year-old adult presents to the primary care nurse practitioner with complaints of with a numbness in extremities, paresthesias, and irritability. A diagnostic work-up is initiated and the following results reported: WBC 7840 cells/mL3 Hgb 11.8 g/dL Hct 35.4% Platelet: 338,000 plt/uL MCV: 103 u3 (80-100 u3) MCH: 36 pg (26-34 pg) MCHC: 38% (32-36%) B-12: 180 ng/mL (190-950 pg/mL) Folate: 4.5 ng/dL (2.7-17 ng/mL) What additional testing would be helpful in clarifying this patient’s diagnosis?