This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Chronic hepatitis C infection is associated with which psychological illness that may worsen with IF-a treatment? \nSelect and explain. \nA. OCD, B. PTSD, C. Depression, D. Schizophrenia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The relationship between depression and disease progression is multifactorial and likely to involve psychological and social factors, alterations in immune function, and central nervous system disease. Chronic hepatitis C infection is associated with depression, which may worsen with interferon-a treatment.', 'role': 'assistant'}]