Recreational drugs, such as PCP and ketamine, lead to schizophrenia-like symptoms by ________.
A. impairing the effective functioning of acetylcholine
B. increasing the activities of glutamate
C. impairing the functioning of glutamate and one of its receptors, NMDA
D. increasing the levels of norepinephrine and its adrenergic receptors
Answer: C
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Which of the following situations is most likely to involve the action of the parasympathetic nervous system?
A. After a satisfying evening meal, Callum relaxes in front of the television. B. Walking toward her car in a deserted parking garage one night, Danica is surprised by a strange man, who appears from nowhere. C. Brooke's finger accidentally grazes a hot iron, and she immediately jerks her hand away. D. Gordon walks through a dark alley and is confronted by an angry dog.
In the dualpathway model of fear, the "high road" leads to the and the "low road" leads to the
a. hypothalamus; cerebral cortex b. cerebral cortex; amygdala c. amygdala; cerebral cortex d. cerebral cortex; hypothalamus e. hypothalamus; amygdala
The language of children with Williams syndrome is ____.
A. comparable to children with other forms of intellectual disability B. a by-product of their intelligence C. comparable to that of a normal adult's second language D. impossible to understand
Endocrine glands secrete this group of chemicals into the bloodstream:
a. endorphins b. serotonin c. norepinephrine d. acetylcholine e. hormones