The absolute refractory period occurs because
A. the cell is hyperpolarized, requiring a larger than normal stimulus in order to form another action potential.
B. it takes time for the sodium-potassium pumps to return ion concentrations to the normal resting state.
C. only one action potential at a time can travel the length of an axon.
D. sodium channels cannot reopen until the membrane regains its resting potential.
Answer: D
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Forbes and others (2009? 2011) examined how levels of aggression differed in individualist versus collectivist cultures. They found that
a. aggression levels were highest in the U.S., a highly individualist culture. b. aggression levels were highest in China, a highly collectivist culture. c. aggression levels were lowest in the U.S., a highly collectivist culture. d. both the U.S. and China had equally high levels of aggression.
Scapegoat theory proposes that ____
a. people are far more likely to take the credit when they encounter successes than they are to take the blame when they encounter failures b. people blame their problems and misfortunes on outgroups, and therefore hold negative attitudes toward those outgroups c. people attend more to information that supports their existing views than they do to information that disconfirms their existing views d. compared to positive stereotypes, negative stereotypes are more easily adopted and have greater staying power
A mentor
A. Can be someone inside your organization or outside your organization but in your profession B. Should be someone you respect C. Both answers are correct.
When using a substance makes normal activities such as driving result in harmful accidents, this is called
A. behavioral tolerance. B. drug misuse. C. behavioral toxicity. D. laissez-faire.