Arrange the following opioids according to their potency (most potent first) a. Fentanyl b. Sufentanil c. Morphine d. Pethidine
High-Yield Explanation
a. Fentanyl group of opioids are most potent opioids. Among these most potent is Sufentanil (approx 1000 times more potent than morphine) . The sequence of potency from high to low in this group is Sufentanil > Fentanyl > Alfentanil. b. Pethidine is 10 times less potent than morphine