Problem:
A 36-year-old female presents with complaints of fatigue. She has lost more than 100 ibs in the last year as a result of gastric bypass surgery. Today, laboratory studies identify a hemoglobin of 11.3 g (norm = 12-16 g/dL), a hematocrit of 33.6% (norm = 37%-47%), MCV of 100 fL (norm = 80-95 fL), and an MCH of 29 pg (norm = 27-31 pg). Based on the history and lab results, the most likely diagnosis is: A- dehydration. B- protein deficiency. C- thalassemia anemia. D- B12 deficiency anemia.