During drug use, new ______ pathways develop between the nucleus accumbens and the prefrontal cortex.
A. serotonergic
B. glutamatergic
C. GABAergic
D. cholinergic
Answer: B
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A. insomnia B. night terrors C. sleepwalking D. sleep apnea
Cutting the left optic nerve in front of the optic chiasm would result in blindness in the ____
a. right eye b. left eye c. peripheral vision of both eyes d. left visual field
How do the death rates of men with alcoholism in their 50s and early 60s compare with nonalcoholics?
A) Alcoholics are 2–3 times more likely to die in mid-life. B) Alcoholics are 5–6 times more likely to die in mid-life. C) Alcoholics are 10 times more likely to die in mid-life. D) Alcoholics are more likely to die in later adulthood.
What effect do some free radicals have on the body?
A) They cause the steroid oxidase to build up in the body over time. B) They destroy the telomeres at the end of DNA chains. C) They enter into potentially harmful chemical reactions that cause irreparable cell damage. D) They cause the buildup of atoms that possess an unpaired electron.