Arrange the following opioids according to their potency (most potent first) a. Fentanyl b. Sufentanil c. Morphine d. Pethidine
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
a,d,c,b
b,a,c,d
a,d,b,c
b,c,d,a
Opioids and Alcohols