Quiz 5

Question 1

A drug that amplifies the effect of the neurotransmitter is called____

Answer 1

agonist

Question 2

A(n) ___ drug works by blocking the effects of a neurotransmitter

Answer 2

antagonist

Question 3

When we say that someone is addicted to a drug, we mean____

Answer 3

• preoccupation with obtaining a drug
• compulsive use of the drug in spite of adverse consequences
• high tendency to relapse after quitting

Question 4

Tracy no longer experiences the same High when she uses her drug of choice. She notices that she has been taking larger and larger doses just to try to achieve the same experience that is small does used to create. Tracy is experiencing___

Answer 4

tolerance

Question 5

heroin, codeine, and morphine are all___

Answer 5

opioids

Question 6

ethanol (alcohol) generally does NOT produce ____

Answer 6

.

Question 7

alcohol produces its effects by

Answer 7

133

Question 8

nicotine

Answer 8

• primary psychoactive and addictive agent in tobacco
• in short puffs it has stimulating effects
• large doses can cause nausea, vomit, headache and even seizures

Question 9

at a concert last night, jasmine used a drug that stimulated the release of dopamine and serotonin in her brain. it acted as stimulant, producing increased energy, sociability, and sexual arousal, and it also acted as a hallucinogen, producing mild hallucinations. what drug did jasmine use?

Answer 9

Ecstasy (MDMA)

Question 10

our brains naturally produce two cannabinoids, anandamide and 2-AG, which have many effects on cannabinoid receptors throughout our brains. What recreational drug acts on these same receptors?

Answer 10

Marijuana (THC)

Question 11

the mesolimbocortical dopamine system has been identified as

Answer 11

location of the major drug reward system

Question 12

all of the following are important brain regions included in the mesolimbocortical dopamine systems, except for the

Answer 12

-nucleus accumbens
- medial forebrain bundle
ventral tegmental area

Question 13

all of the following are important brain regions included in the mesolimbocortical dopamine systems, except for the

Answer 13

• nucleus accumbens
• medial forebrain bundle
• ventral tegmental area

Question 14

Research has shown that human participants you have the greatest increase in____ activity and nucleus accumbens experience the most intense “highs” from drug use

Answer 14

dopamine

Question 15

studies have shown that ____ increase(s) activity in nucleus accumbens

Answer 15

food, water, sexual stiulation

Question 16

in a stage paradox, PET scan research has demonstrated that chronic drug users actually have ___dopamine receptors and activity. This may create a “reward deficiency syndrome” in these individuals

Answer 16

diminished/lowered

Question 17

Evidence suggests that cocaine abusers have malformed dendrites and disrupted functioning in the___, which impairs judgment and decision-making

Answer 17

prefrontal cortex

Question 18

what kind of medical treatment strategies have been used for drug addiction?

Answer 18

-Alcohol:

Question 19

twin adoption studies suggest that

Answer 19

Heritably for…

• alcoholism= 50%-60%
• hallucinogens= 50%
• cocaine= 72%