Which of the following techniques can be used to detect the location of acetylcholine in brain?
a. in situ hybridization
b. autoradiography
c. immunocytochemistry aimed at choline acetyltransferase
d. microiontophoresis
e. fMRI
Answer: c. immunocytochemistry aimed at choline acetyltransferase
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Charles likes to play with Erector sets and LEGOs. On measures of visual-spatial ability, he outperforms his female classmates. What might this suggest?
a. Nathan, like other boys, is simply better at these tasks. b. Typical "boy" toys may provide more experience with visual-spatial tasks. c. Playing with "boy" toys enhances natural abilities. d. "Boy" toys do not encourage visual-spatial abilities any differently than "girl" toys.
Which theory explains that pain messages from different nerve fibers pass through the same neural area in the spinal cord and that if the gate is "closed" by one pain message, other messages may not be able to pass through?
a. sensory adaptation b. sensory conflict c. gate control theory d. lock and key theory
Which one of the following variables is most experimentally manipulable?
a. athletic ability b. student ability c. socioeconomic level d. teaching method
Which of the following of Saks' roles for expert witnesses would be most likely to agree with the statement "My primary responsibility is to present only information that agrees with my employer's values, not my own"?
A. The mere conduit-educator B. The philosopher-ruler/educator C. The hired gun D. The fact witness