A membrane produces an action potential whenever the potential across it reaches what level?

A. the resting potential
B. -90 mV
C. the threshold of excitation
D. the refractory period


Answer: C

Psychology

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There has been little systematic research conducted on dissociative amnesia and fugue, yet some studies have revealed new information. What is the source of this information?

A. Experiments using medication B. Checking reports from doctors' offices C. Testing personality traits of individuals who have experienced these issues D. Use of different brain-imaging methods to determine where loss of function occurs

Psychology

Stereotypes rob people of their individuality and are especially damaging when people begin to halfway believe the stereotypes applied to them or at least worry about how they appear in the presence of stereotypers. This is known as

a. ethnocentrism. b. a social dominance orientation. c. a self-stereotype. d. dogmatism.

Psychology

What factors determine whether an at-risk couple should have children?

What will be an ideal response

Psychology

The fact that there are large differences in aggression from culture to culture best supports the __________ theory of aggression.

A. Freudian B. evolutionary C. observational learning D. transferred excitation

Psychology