Drugs alter consciousness in each of the following ways, EXCEPT __________.
A. causing changes in the nervous system
B. mimicking or blocking neurotransmitters
C. stimulating pleasure centers in the brain
D. damaging small nerve fibers
Answer: D
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As the number of bystanders increases, people are less likely to help someone who is in distress. This suggests that the size of a crowd and helping behavior are
a. negatively correlated. b. uncorrelated. c. positively correlated. d. dependent variables.
We tend to __________ attractive people more than we do less attractive people
a) like b) dislike c) ignore d) hate
According to the article Going to Pot, about adolescent drug use, the mothers of the abstainers and the
frequent users (a) had given up on their kids (b) forced their kids to do things, such as go to religious services (c) were warm and permissive (d) were cold and unresponsive
Stem cells in brain regions involved in learning and memory seem to divide and mature:
a. only during the first few months of pregnancy. b. until the age of 1 year. c. until puberty is reached. d. throughout adulthood.