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: Medicine
[{'content': 'Which of the following situations will lead to increased viscosity of blood: \nSelect and explain. \nA. Fasting state, B. Hypoglycemia, C. Multiple myeloma, D. Amyloidogenesis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Multiple myeloma', 'role': 'assistant'}]