During a class meeting, a student asks the psychology professor to define a nerve impulse. Before the professor can open his mouth to answer, you remember the definition, which is:

A. a surge of electrical activity simultaneously occurring down the entire axon
B. the release of neurotransmitters into the synapse
C. a tiny electrical current
D. a series of individual action potentials that occur segment by segment down the axon


Answer: D

Psychology

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As compared to married cancer patients, single cancer patients are more likely to ______.

A. have metastatic cancer B. get treated at an earlier stage C. get more appropriate treatment D. live longer

Psychology

A baby is in its crib while a swarm of relatives hovers, calling the baby's name, and making cooing sounds. There is a radio playing in the background and sounds emanate from the television in the living room. All the while, the baby's mother is trying to get the baby's attention to get ready for its feeding. In all this hubbub the baby is most likely to attend to the mother's face and voice. What is the baby's behavior an example of?

A. ambient storage B. delayed retrieval C. selective encoding D. recursive automatization

Psychology

Brief student observations of a teacher early on can predict average student ratings at the end of a semester. What is likely behind the match of student ratings across time?

A. principle of parsimony B. semantic network C. priming D. experience

Psychology

How does Ernest Hilgard explain pain reduction through hypnosis?

a. Hypnosis increases dopamine levels in the body. b. People merely play the role of the hypnotized person and attempt to ignore the pain. c. Hypnotized individuals dissociate the experience so part of the mind is unaware of the pain. d. Hypnosis results in an altered state of consciousness that alters brain waves in regions of the brain responsible for the perception of pain. e. Hypnosis is a result of a "serotonin storm" occurring in the nucleus accumbens of the brain.

Psychology