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
The blood pressure measured by a sphygmomanometer: 
Select and explain. 
A. Is lower than the intraaerial pressure, B. Is higher than the intraaerial pressure, C. Is same as the intraaerial pressure, D. Is the same with different cuff sizes
B: Is higher than the intraaerial pressure
Answer: B: Is higher than the intraaerial pressure 
Explanation: B i.e. Is higher than intraaerial pressure