Which Factors Make Meperidine an Opioid of Choice Among Nurses

Which factors make meperidine an opioid of choice among nurses and physicians who abuse opioids? (Select all that apply.)

A) Easy access to syringes for administration of the drug
B) Highly effective oral dosing
C) Increased effects on smooth muscle function
D) Less pupillary constriction than other opioids
E) Shorter half-life than other opioids