Which new psychoactive substance (NPS) is the most widely used worldwide?
a. Salvia divinorum
b. piperazine
c. synthetic cannabinoid
d. synthetic cathinone
e. phenethylamine
Question 2
Laura just snorted heroin. When can she expect to experience withdrawals from the drug?
a. about 4 to 5 hours
b. about 7 to 8 hours
c. 18 to 24 hours
d. 2 to 3 days
e. within a week