This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral Cavity, Subject name: ENT
[{'content': 'White persistent patch in mouth indicates \nSelect and explain. \nA. Mucormycosis, B. Streptococcal infection, C. Erythroplakia, D. All', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. b (Streptococcal infection). (Ref. Diseases of ENT by Bhargava 6th ed. 211)Membrane/White patch on the tongue or oral mucosa is seen in:# Leucoplakia (Premalignant)# Lichen planus (Premalignant)# Behcet's syndrome# Streptococcal infection# Diphtheria (Dirty grey patch)# Vincent's angina# Syphilis# Moniliasis (Oral thrush or Candidiasis)# Aphthous ulcers with slough at the base# Viral pharyngitis# Oral submucous fibrosis and erythroplakia are other premalignant oral lesions.", 'role': 'assistant'}]