Contrast postsynaptic potentials versus action potentials.
What will be an ideal response?
Postsynaptic potentials are graded in size, degrade with distance, and can summate to produce an action potential. Action potentials are fixed in size, do not degrade, and cannot summate.
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Certain weight loss medications have been shown to be better than a placebo but
a. only one is available in chocolate flavor. b. most are prohibitively effective. c. all have now been removed from the market due to safety concerns. d. none are particularly effective.
In the Shepard and Metzler study, people judged whether two figures that were in different orientations were the same or different. What did this study demonstrate?
a. It takes much longer to rotate pairs in depth (e.g., by turning a figure away from you) than to rotate pairs in the picture plane (e.g., by turning a figure clockwise). b. The amount of rotation necessary before making "same-different" judgments influences decision speed. c. There were no consistent relationships between the variables examined in this study. d. The propositional-storage interpretation of imagery is correct.
The best indicator of an individual's health is the extent to which they:
a. smoke tobacco. c. follow a structured religion. b. drink alcoholic beverages. d. follow general healthy behaviors.
A person highly trained in yoga and meditation is capable of controlling his heart rate and blood pressure, that is, raising and lowering it at will. A student of psychology knows that these functions are controlled by the
a. motor cortex. c. somatic nervous system. b. somatosensory cortex. d. autonomic nervous system.