Glutamate can be toxic to neurons because
A. NMDA receptors allow calcium into a cell, and excess calcium can stimulate harmful levels of enzyme activity.
B. NMDA receptors block the movement of calcium into a cell, preventing the release of other neurochemicals.
C. it blocks receptors for other types of neurochemicals, preventing effective communication between cells.
D. its breakdown in the synaptic gap produces harmful free radicals.
Answer: A
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a. ?instruction b. ?relationship c. ?task d. ?friendship
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a. clairvoyance b. detect regularities c. observe d. generate a hypothesis
Nonequivalent comparison group designs differ from randomized field experiments because they do not use:
a. random assignment to conditions. b. quantitative observation. c. standardized measurement. d. longitudinal design.
Job analysis is a(n)
a. self-reported skills inventory for entry level jobs. b. occupational interest inventory for high school students. c. performance evaluation that focuses on job tasks. d. systematic procedure for documenting a job's activities.