True / False 1. Simply imaging something pleasant is not sufficient to stimulate the release of dopamine in the nucleus accumbens; the event must actually be experienced.? a. True b. False 2. Addictive drugs strongly activate the nucleus accumbens by releasing dopamine or norepinephrine there. a. True b. False 3. After a long period of abstinence, exposure to cues associated with the substance are very unlikely to trigger a renewed craving.? a. True b. False 4. Symptoms of marijuana withdrawal include anxiety, sweating, vomiting, and diarrhea. a. True b. False 5. Studies of the genetics of addiction have implicated the gene that controls COMT, an enzyme that breaks down norepinephrine.? a. True b. False 6. Medications like Antabuse combat alcohol abuse by blocking opiate receptors and thereby decrease the pleasure from alcohol.? a. True b. False 7. Autism spectrum disorder encompasses both autism and what used to be called Aspergers syndrome.? a. True b. False 8. Many fad treatments for autism spectrum disorders make the parents feel good that they are trying something, but otherwise, they are a waste of time and money.? a. True b. False 9. Less than 5% of mothers who have children with autism have antibodies that attack certain brain proteins.? a. True b. False 10. Most depressed people have decreased activity in the left and increased activity in the right prefrontal cortex. a. True b. False 11. The first successful treatment for bipolar disorder, and still the most common one, is lithium salts. a. True b. False 12. Antidepressant drugs have effects at the synapse within hours, but may take weeks to change behavior. a. True b. False 13. Exposure to bright lights is one effective treatment for SAD. a. True b. False 14. The ventricles are larger than normal in people with schizophrenia. a. True b. False 15. Atypical antipsychotics are effective in treating only the positive symptoms of schizophrenia. a. True b. False Multiple Choice 16. A drug that mimics or increases the effects of a neurotransmitter is called a(n) ____.? a. ?agonist b. ?antagonist c. ?stimulant d. ?protagonist 17. A drug that blocks the effects of a neurotransmitter is called a(n) ____.? a. ?agonist b. ?antagonist c. ?depressant d. ?protagonist 18. A drug that blocks the effects of a neurotransmitter is a(n) ____; a drug that mimics or increases the effects is a(n) ____.? a. ?neuromodulator; synergist b. ?agonist; antagonist c. ?depressant; stimulant d. ?antagonist; agonist 19. Which effect would be considered to be antagonistic?? a. ?blocking the synthesis of neurotransmitters b. ?stimulating the release of neurotransmitters c. ?blocking the reuptake of neurotransmitters d. ?interfering with the breakdown of neurotransmitters 20. ?Which effect would be considered to be agonistic? a. ?blocking the synthesis of neurotransmitters b. ?stimulating the release of neurotransmitters c. ?blocking the postsynaptic receptors d. ?mimicking enzymes that breakdown neurotransmitters 21. ?To say that a drug has an affinity for a particular type of receptor is to imply that the drug ____. a. ?breaks down neurotransmitter chemicals at that receptor site b. ?will always excite the postsynaptic receptor c. ?will always inhibit the postsynaptic receptor d. ?binds to that receptor 22. ?With respect to drug effects, “efficacy” means the tendency of a drug to ____. a. ?have inhibitory effects b. ?have excitatory effects c. ?attach to a receptor d. ?activate a receptor 23. ?The brain area most often linked to drug addiction is the ____. a. ?nucleus accumbens b. ?whole limbic system c. ?frontal lobes d. ?brain stem 24. ?Which neurotransmitter has been repeatedly connected with addictive drugs? a. ?epinephrine b. ?acetylcholine c. ?serotonin d. ?dopamine 25. ?An insistent search for the substance or activity to which the individual is addicted is called __…
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