This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Subject name: Dental
Potassium Iodide is used in the treatment of? 
Select and explain. 
A. sporotrichosis, B. Impetigo, C. Dermatitis herpetiformis, D. Was
A: sporotrichosis
Answer: A: sporotrichosis 
Explanation: Potassium Iodide(KI) is used in the treatment of sporotrichosis D.O.C is Itraconazole KI worsens Dermatitis Herpetiformis.