What effect does chronic alcohol administration have on NMDA receptors?
a. NMDA receptors no longer bind to glutamate.
b. Alcohol decreases the flow of ions through NMDA receptors.
c. Alcohol causes an upregulation of NMDA receptors.
d. Alcohol depletes extracellular levels of cations, leading to reduced excitatory effects from NMDA receptor activation.
Ans: C
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a. improves performance in a short-term memory task b. interferes with performance in a short-term memory task c. interferes with performance in an implicit memory task d. improves with performance in an implicit memory task
Which of the following neurotransmitters undergoes its final synthesis step within synaptic vesicles?
a. ACh b. norepinephrine c. epinephrine d. dopamine
The statistic used in the sign test measures _________
a. the difference between the means of the two groups b. the direction of the differences between pairs of scores c. the magnitude of the differences between pairs of scores d. the difference between the variance of the two groups
Self-handicapping
a. is not as common as might be expected. b. must be done consciously to be successful. c. is only possible for matters that are moderately important. d. must be used outside the person's awareness to be successful.