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: Surgery
Which one of the following is not a part of the Revised Trauma Score 
Select and explain. 
A. Glasgow coma scale, B. Systolic blood pressure, C. Pulse rate, D. Respiratory rate
C: Pulse rate
Answer: C: Pulse rate 
Explanation: None