Which of the following is a consequence of the activity of the sodium-potassium transporters?
A. Extracellular sodium concentrations are kept low.
B. Intracellular sodium concentrations are kept very high.
C. Extracellular potassium concentrations are kept very high.
D. Intracellular sodium concentrations are kept low.
Answer: D
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At present in the United States, which age group is most likely to assign responsibility and blame?
a. young adults b. middle-aged adults c. older adults d. There are no age differences in assigning responsibility or blame.
Signal detection theory predicts all but which of the following? a. Arturro more often notices the aroma wafting from his neighbor's apartment after he has eaten than whenhe is hungry
b. During allergy season, Bettina's sense of smell becomes duller. c. When her stereo is on, Carolyn does not notice an increase in her neighbor's television volume, but, whenshe is reading a book, Carolyn immediately notices the increased volume. d. As he has gotten older, David notices that his sense of taste has diminished. e. Etyda walks the same route every day. Now that the days are getting shorter and part of her walk is in the dark, Etyda notices more sounds that signal possible danger.
Research by Melanie Cohn and her colleagues suggests that impairments in associative memory among older adults represent problems in ____.
A. binding and retrieval B. comprehension and retrieval C. binding and motivation D. comprehension and motivation
The portion of long-term memory that stores specific information that has personal meaning is called __________ memory
a. emotional b. episodic c. semantic d. procedural