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: Microbiology
[{'content': 'Cachectin is produced by- \nSelect and explain. \nA. Neutrophils, B. Eosinophils, C. Macrophages, D. Basophils', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cachectin (Tumour necrosis factor - α) is produced by -\n\nMacrophages\nMonocytes\nN.K. Cells\n\nBiological effects of TNF-α\n\nTumor cytotoxicity\nInduction of acute phase proteins\nLipolysis\nEndotoxic shock\nFever\nAntiviral and antiparasitic effect\nCachexia\nPhagocytic cell activation', 'role': 'assistant'}]