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
[{'content': 'A patient presented with multiple nodulocystic lesions on the face. The drug of choice is – \nSelect and explain. \nA. Retinoids, B. Antibiotics, C. Steroids, D. UV light', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The DOC for nodulocystic acne is oral isotretinoin (13-Cis Retinoic acid)\n\nIndications of isotretinoin\xa0→\xa0Severe acne (>25 lesions), Nodulocystic lesions, Large nodular lesions,Moderate acne not responding to oral antibiotics (Recalcitrant acne).', 'role': 'assistant'}]