At the beginning of an action potential, sodium moves
A. slowly into the cell, because electrostatic pressure is offset by diffusion.
B. rapidly into the cell, because both electrostatic pressure and diffusion operate at the same time.
C. slowly out of the cell, because as a positive ion, sodium remains attracted to the relatively negative intracellular environment.
D. rapidly out of the cell, because the sodium-potassium pumps are very active.
Answer: B
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The residents in Burberry Hill have convened to discuss whether to build a neighborhood pool. The majority are in favor of building a pool. However, Miguel, a long-time resident, expresses his opposition. Which of the following is unlikely?
a. The residents will think more carefully about the issue of building a pool because Miguel presented adissenting opinion b. Miguel's status of being a long-time resident and its accompanying idiosyncrasy credits will help him influencethe group. c. Miguel will not gain private conformity to his opinion, only public conformity. d. Miguel will be more influential if he repeatedly expresses his opposition as the group discusses the benefits ofbuilding a pool.
The generalizability of simulated observation is improved by
a. educating clients. b. allowing an adaptation period. c. decreasing reactivity. d. improving the simulation.
Dr. Young earned a doctoral degree in counseling psychology 5 years ago, and Dr. Experienced earned a doctoral degree in counseling psychology 25 years ago. Which of the following is most likely, considering recent trends in the field?
a. Dr. Young is more interested in vocational and career counseling than Dr. Experienced. b. Dr. Young is more interested in private practice than Dr. Experienced. c. Dr. Young was trained in medicine, but Dr. Experienced was not. d. Dr. Young is less interested in traditionally clinical activities than Dr. Experienced.
The baby had colic for 3 days, and it seemed that every time Amy would get to sleep, the baby would start crying. When she eventually slept through the night, which of the following was most likely to happen?
A. Amy had more vivid dreams than usual. B. Amy slept soundly, without waking or dreaming. C. Amy had difficulty staying asleep. D. Amy experienced restless sleep involving a lot of movement.