This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
[{'content': 'Role of sodium fluoride as a preservative for blood in viscera packing are all except \nSelect and explain. \nA. It prevents glycolysis, B. Acts as anti-coagulant, C. Inhibits bacterial growth, D. Inhibits enolase enzyme', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Potassium oxalate - anti coagulant and 10 mg / ml Sodium or Potassium fluoride are used for blood preservation. Acts as preservative by following mechanism: - Prevents glycolysis - Inhibits bacterial growth - Inhibits enolase enzyme', 'role': 'assistant'}]