The atrophy of brain areas in people with schizophrenia may be due to the
a. toxic levels of acetylcholine that have accumulated in the brain and caused neuron death.
b. destruction of dopamine receptors.
c. lack of neurogenesis.
d. development of plaques and tangles.
ANSWER: c
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Who is most likely to perform at a high level in the presence of others?
(a) a beginner, just learning the task, whose motivation will be high (b) an expert, who knows the task very well (c) there should not be a difference; both are equally affected by the presence of others
Wanda wondered whether her toddler's child care setting promoted his health and safety. As she read about this topic, she most likely discovered all of the following except
a. more injuries occur during warmer months than during colder months b. more injuries occur on the playgrounds of child care settings than in other areas in those settings c. children in group child care settings develop fewer infectious illnesses than children who are cared for at home d. children in group child care have lower rates of injury than children who are cared for at home