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: Physiology
SI unit for measuring Blood pressure is 
Select and explain. 
A. Torr, B. mm Hg, C. kPa, D. Barr
C: kPa
Answer: C: kPa 
Explanation: Commonly used - mmHg
 
SI Unit- kPa