This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Histopathological findings, Subject name: Dental
[{'content': 'Spongiosis involves: \nSelect and explain. \nA. Stratum granulosum, B. Stratum corneum, C. Stratum spinosum, D. Stratum basale', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Spongiosis :extracellular accumulation of fluid in stratum spinosum. Eg: Acute eczema Ballooning: intracellular accumulation of fluid in stratum spinosum.Eg: Acute eczema Acanthosis :thickening of stratum spinosum. Eg: Chronic eczema', 'role': 'assistant'}]