This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
Which one of the following is not a pa 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: - Revised trauma score (S) - Mnemonic- GB Road G-GCS - B-Bp (systolic) - Road -Respiratory rate - Trauma scoring systems Revised trauma score (S) Trauma & injury severity score (TRISS) Mangled Extremity severity score (MESS) Mnemonic- GB Road G-GCS B-Bp (systolic) Road -Respiratory rate Mnemonic- ISS + RAM ISS- Injury severity score R- Revised trauma score A-Age M-Mechanism(blunt/penetrating) Mnemonic-ELISA E- Energy Li-Limb Ischemia S-Shock A-AGE