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
[{'content': 'Most common type of Onychomycosis \nSelect and explain. \nA. Proximal Subungual, B. Distal lateral subungual, C. Superficial white, D. Total distal', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Onychomycosis is a fungal infection of nails MC site for onychomycosis: hyponychium Types 1. Distal lat.subungual onychomycosis- MC 2. Proximal subungual onychomycosis (rare)-In HIV+ patient 3. Superficial white onychomycosis4. Total dystrophic onychomycosis- it is the end result of either of the types. It is complete nail involvement.', 'role': 'assistant'}]