All of the following drugs are derived from the opium poppy except:
A) morphine.
B) heroin.
C) opium.
D) cocaine.
Question 2
All of the following statements are true of depressants except that:
A) barbiturates, if taken in sufficient doses, have effects similar to strong alcohol.
B) quaalude and phencyclidine are depressants.
C)phencyclidine (PCP) is legally used to tranquilize elephants and monkeys.
D) Ritalin is a barbiturate, derived from barbituric acid.