To help her students understand the various parts of a neuron, an instructor compares a neuron to an electrical cord. Using this analogy, how would the instructor describe the myelin sheath?

a) the insulating cover
b) the internal copper wire
c) the receptacle end of the cord
d) the plug that goes in a wall socket


ANS: a

Psychology

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Brown and Kulik speculated that because of intense emotion and surprise,__________

memories tend to remain especially vivid and long-lasting. a. photographic b. overwhelming c. flashbulb d. life-changing e. formative

Psychology

Tracie has recently been diagnosed with anorexia nervosa. Tracie is likely to display all of the following except

A. an overall perfectionistic personality. B. an obsession with being attractive. C. seeing her eating habits as problematic. D. self-punishing personality traits.

Psychology

You have a great deal of conscious control over the nerves of the _____ nervous system, but not over the nerves of the _____ nervous system

a) somatic; autonomic. b) autonomic; somatic. c) peripheral; autonomic. d) central nervous system; peripheral nervous system.

Psychology

What type of therapy focuses on the role of the individual to contribute to the harmony of the group as a whole?

A. Group therapy B. Family therapy C. Self-help group therapy D. Couples therapy

Psychology