The inability to open sodium channels results in a period of during which an action potential cannot be triggered. What is the term for this?
a) saltatory refractory period
b) hyperpolarization
c) absolute refractory period
d) absolute retracting conduction
Answer: C
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Which of the following students provides the most accurate information about the representativeness heuristic?
a. Ko-Eun: "We use the representativeness heuristic when we judge frequency in terms of how easily we can think of examples of a category." b. Tianna: "The representativeness heuristic demonstrates that we initially make a guess, and then we make modest adjustments to that initial guess." c. Brandon: "When using the representativeness heuristic, we overemphasize the base rate and don't pay enough attention to the availability heuristic." d. Celia: "The representativeness heuristic typically works well, although we tend to ignore other relevant information that we should consider."
A nonparametric procedure would not be done in conjunction with
a. ratio distributions. b. a skewed interval distribution. c. computing the median. d. computing the mode.
Acetylcholine (ACh) levels in the brain are high during _______________ sleep, but lower during ______________ sleep
a. REM; wakefulness and NREM b. NREM; wakefulness and REM c. wakefulness and REM; NREM d. wakefulness and NREM; REM
William and Virginia are discussing the sexual response cycle. William says, "It really isn't fair that women can have orgasm after orgasm after orgasm after orgasm! We men have our orgasms and then have to wait around a while before we can have another one." Virginia says, "That is just the way things are-women don't really have a ________."
A. plateau phase B. feedback loop C. refractory period D. resolution phase