Local anesthetic drugs attach to the sodium channels of the membrane, which ____
a. allows sodium ions to enter and stop action potential
b. prevents potassium ions from entering and stopping action potential
c. allows potassium ions to enter and stop action potential
d. prevents sodium ions from entering and stopping action potential
d
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"I know that I should wear my seat belt in the car, but I don't." This person probably experiences:
A. external attribution B. the self-serving bias C. prejudice D. cognitive dissonance
Which form of learning helps us notice the new and unusual?
a. operant conditioning b. classical conditioning c. orienting responses d. habituation
Studies of massage therapy have found that it ______
a. had little or no effect in reducing pain b. reduced pain for a short time, but the effects did not last c. did not have any immediate effects, but over time slowly reduced pain d. reduced immediate perceptions of pain and reduced long-term levels of pain
Which statement best characterizes the James-Lange theory of emotion?
a. Feeling happy causes you to laugh. b. Your frontal lobe causes you to feel happy; your motor cortex causes you to laugh. c. Laughing at an event precedes the feeling of happiness. d. Feeling happy is the species-typical emotion elicited by laughter.