This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypeension, Subject name: Medicine
Which of the following shall be seen with use of a small size BP cuff? 
Select and explain. 
A. False elevation of BP, B. Falsely low value of BP, C. Cancels the effect of calcified aeries, D. Increases trans-arm impedance
A: False elevation of BP
Answer: A: False elevation of BP 
Explanation: False elevation of BP is seen with use of small cuff Blood Pressure Cuff size Bladder width >= 40% of mid-arm circumference. Bladder length 80-100% of arm circumference.