Recent research on the dependence produced by nicotine has focused on genetic differences related to:
A. opioid receptors.
B. serotonin receptors.
C. norepinephrine neurons.
D. acetylcholine receptors.
D
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A relative was admitted to the hospital and given doses of naltrexone for problems related to alcohol. How will this drug affect the man?
a. It will block the action of GABA. b. It will block the action of norepinephrine. c. It will increase levels of dopamine in the brain. d. It will decrease the level of endogenous opioids.
The majority of the neurons in the nervous system are:
A) sensory neurons. B) motor neurons. C) interneurons. D) bipolar neurons.
The occurrence of the secular trend in height and weight:
a. has been documented in the U.S. only. b. has been documented in the U.S. and nearly all European countries. c. is beginning to disappear in all countries. d. is found in every country in the world.
Annie works with AIDS patients to get an idea of whether she wants to pursue social work as a career. Bert volunteers at a mental hospital to fulfill a class requirement
Stacey paints a mural for her old school because her sorority requires her to do a community service project. George helps the elderly prepare their income tax returns because his accounting firm will not give him a Christmas bonus if he does not volunteer. Who is most likely to engage in volunteer work again in the future? a. Annie b. Bert c. Stacey d. George