This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Which of the following is a better indicator for transfusion \nSelect and explain. \nA. Colour of the skin, B. Clinical examination, C. Hematocrit, D. Urine output', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Better indicators for blood transfusion Hematocrit in case of chronic anemia Clinical examination in case of trauma', 'role': 'assistant'}]