Functional brain abnormalities including reduced stratal D2 receptor levels and _____ metabolism in the
____ have been seen in cocaine and methamphetamine addicts. - CORRECT ANSWER✅✅✅reduced
glucose; orbitofrontal cortex
Alcohol increases synaptic levels of dopamine in the nucleus acumens by - CORRECT
ANSWER✅✅✅increasing the firing rate cells in VTA
Nicotine self-administration - CORRECT ANSWER✅✅✅depends on the dopamine pathway to the
nucleus accumbens for its reinforcing effects.
Electrical stimulation of the PAG - CORRECT ANSWER✅✅✅Electrical stimulation of the
periaquaductal gray int he midbrain of animals was one of the first signs of central influence on pain
Which of the following about nicotine poisoning is false? - CORRECT ANSWER✅✅✅it is frequently
caused by smoking, because a pack of cigarettes contains several lethal doses
Which of the following antidepressants is currently being used to help smokers withdraw from nicotine?
- CORRECT ANSWER✅✅✅zyban
Smoking is an important contributing factor in all of the following disorders except for - CORRECT
ANSWER✅✅✅seizures
Which of the following is not a symptom of the nicotine abstinence syndrome? - CORRECT
ANSWER✅✅✅weight loss
The concept of incentive-sensitization distinguishes between _______ and _______. - CORRECT
ANSWER✅✅✅drugs liking, drug warning
Studies with knockout mice genetically engineered to lack particular nicotinic receptor subunits have
shown that VTA nicotinic receptors with the ____ and ____ subunits are important for nicotine
addiction - CORRECT ANSWER✅✅✅a6, b2