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
Which of the following is a better indicator for transfusion 
Select and explain. 
A. Colour of the skin, B. Clinical examination, C. Hematocrit, D. Urine output
C: Hematocrit
Answer: C: Hematocrit 
Explanation: Better indicators for blood transfusion Hematocrit in case of chronic anemia Clinical examination in case of trauma