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…

Approach to a Case of Thyroid Disorder

Approach to a Case of Thyroid Disorder Patient Presentation Symptoms of thyroid dysfunction (e.g., fatigue, weight changes, palpitations, temperature intolerance) Initial Evaluation Detailed history (family history, medications, radiation exposure, autoimmune diseases) Physical examination (thyroid enlargement, nodules, signs of hyper/hypothyroidism) Laboratory Tests TSH (Thyroid Stimulating Hormone) High TSH Check Free T4 Low Free T4: Primary Hypothyroidism…