09-29-2007, 11:59 AM
has had increasing fatigue over the past 3 weeks. Since an episode of cystitis treated with trimethoprim-sulfamethoxazole 3 weeks ago, he has been unable to keep up with his physical education classes. For 6 months, he has been following a vegetarian diet that has been supervised by student health services. Examination shows no abnormalities. His hemoglobin level is 10 g/dL, mean corpuscular volume is 85 μm3, and reticulocyte count is 15%. Which of the following is the most likely cause of anemia in this patient?
A ) Anemia secondary to infection
B ) Antibiotic therapy
C ) Gastrointestinal blood loss
D ) Sickle cell disease
E ) Vegetarian diet
A ) Anemia secondary to infection
B ) Antibiotic therapy
C ) Gastrointestinal blood loss
D ) Sickle cell disease
E ) Vegetarian diet