This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Physiology
Change in the diastolic BP upon standing comes back to normal within 
Select and explain. 
A. 15-30 sec, B. 30-60 sec, C. 60-90 sec, D. 90-120sec
B: 30-60 sec
Answer: B: 30-60 sec 
Explanation: In standing poster diastolic BP increases Upon standing peripheral pooling of blood independent pas occur sudden standing increases DBP,if recorded within 30 to 60 seconds of change in posture after that it comes back to normal where the operation of baroreceptor reflex. Ref: page no-351 Textbook of physiology Volume 1 AK Jain 7th edition