question: Q:A 22-year-old man with no significant past medical, surgical, social, or family history presents to the clinic with an itchy rash. His review of systems is otherwise negative. The patient’s blood pressure is 119/80 mm Hg, the pulse is 83/min, the respiratory rate is 15/min, and the temperature is 36.8°C (98.4°F). Physical examination reveals crusting vesicular clusters on his upper back with a base of erythema and surrounding edema. What additional features would be most helpful to confirm the diagnosis?? 
  {'A': 'Peanut allergy', 'B': 'Hyperparathyroidism', 'C': 'Type 2 diabetes mellitus', 'D': 'Iron deficiency anemia', 'E': 'Visible hematuria'},