chemical substance that alters perception, mood, or behavior

a. stimulant

b. hallucinogen

c. psychoactive 

state of physiological and psychological type of need to take more of a drug after discontinued use (but has not fully disrupted life yet) 

a. withdrawal

b. addiction

c. dependence 

discomfort or distress that follows when a person who is dependent on a drug continues the use of a drug

a. dependence

b. withdrawal

c. tolerance 

reduced responsiveness to a drug, prompting the user to larger doses to acheive the same effect

a. withdrawal

b. tolerance

c. dependence 

drugs that reduce neural activity and slow body functioning

a. depressants

b. stimulants

c. hallucinogens

the second most used psychoactive drug (after caffeine)

a. tobacco

b. alcohol

c. coffee

drugs that excite neural activity & speed up body functions

a. depressants

b. stimulants

c. hallucinogens

provides users with sense of energy & mental alertness

a. tobacco

b. marijuana

c. caffeine

very addictive psychoactive drug & does not stay in body long

a. caffeine

b. alcohol

c. nicotine

dependency is quick & severe, can even cause death; Freud prescribed as medicine in early 1900s & was ingredient in Coke

a. marijuana

b. LSD

c. cocaine 

changes mood & energy; personality can change permanently; tolerance builds quickly (meth)

a. hallucinogens

b. amphetamines

c. cocaine  

psychedelic drugs that distort reality; mind-manifesting

a. marijuana

b. cocaine

c. hallucinogens

powerful hallucinogenic drug; known as "acid"; detachment from reality

a. ecstasy

b. meth

c. LSD

Also called MDMA, can cause permanent brain damage; big at Rave parties

a. cocaine

b. LSD

c. ecstasy 

first used as rope; lung damage from smoke; disrupts memory

a. cocaine

b. marijuana

c. LSD