>>12527890A 67-year-old male presents for a Medicare wellness visit. He underwent basic laboratory work prior to the office visit. He is feeling well and does not have any concerns or symptoms. His blood pressure is 127/76 mm Hg, his heart rate is 64 beats/min, and he is afebrile. A comprehensive metabolic panel is unremarkable. A CBC shows the following results:
WBCs 7500/mm3 (N 4100–10,900)
RBCs 4.05 million/mm3 (N 4.70–6.10)
Hemoglobin 12.9 g/dL (N 14.0–18.0)
Hematocrit 39% (N 42–52)
Mean corpuscular volume 82 ?m3 (N 80–95)
Platelets 197,000/mm3 (N 130,000–448,000)
Which one of the following would be the most appropriate next step in the workup of this patient? (check one)
A. A serum ferritin level
B. A serum transferrin receptor–ferritin index
C. Oral iron supplementation, and a repeat CBC in 4 weeks
D. Referral to a gastroenterologist
Answer this one now. Also a simple one
