For the following questions answer them individually
Which one of the following is a method for effective control of pain in post-operative patients and those with chronic pain?
Bhupen Hazarika, who received Bharat Ratna award in 2019, is famous in which of the following fields?
What is the position called that patient sits at the side of the bed with the head resting on the overhead table on top of several pillows?
The arithmetic average which is obtained by suming up all the observations and dividing the total by the number of observations is called