Posted: July 25th, 2017
A 75-year-old woman has increasing shortness
of breath on exertion. Findings on physical
examination are unremarkable. X-rays of the
chest show no abnormalities of the heart or
lungs. Pertinent laboratory findings include:
Hematocrit 28%
Hemoglobin 9 g/dL
Mean corpuscular volume 70 μm
3
Which of the following is the most likely basis
for these findings?
(A) Acquired hemolytic anemia
(B) Chronic blood loss
(C) Folic acid deficiency
(D) β-Thalassemia minor
(E) Pernicious anemia
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