ANSWERS WITH EXPLANATION
Question 1: A 48-year-old woman with a 10-year history of rheumatoid arthritis controlled with methotrexate presents with a 2-week history of increasing fatigue, pallor, and glossitis. Her MCV is elevated. What is the most likely cause of her symptoms? Answer: The most likely cause of this patient’s symptoms is folate deficiency. Explanation: Methotrexate, which the…