This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Potassium iodide is useful in the treatment of : 
Select and explain. 
A. Sporotrichosis, B. Impetigo, C. Viral warts, D. Dermatitis herpetiformis
A: Sporotrichosis
Answer: A: Sporotrichosis 
Explanation: Treatment of sporotrichosis is saturated solution of potassium iodide. Itraconazole is an alternative.