The arrival of an action potential in a muscle fiber causes
A. calcium to enter the muscle fiber.
B. calcium to be released by internal organelles.
C. ACh to enter the muscle fiber.
D. ACh to be released by internal organelles.
Answer: B
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In interviews with hospital patients, Holmes and Rah (1967) found that illness was often preceded by either a positive or negative major life event. This finding is consistent with the hypothesis that
a. stress is caused by change. b. childhood trauma can exacerbate stress, especially among those who are ill. c. negative events are experienced as more stressful than positive events. d. life itself, rather than stress, produces physical illness.
Hans Eysenck has argued that the dimension he calls psychoticism is a combination of which factors in the "Big Five" model?
a. agreeableness and openness b. agreeableness and conscientiousness c. conscientiousness and openness d. conscientiousness, agreeableness, and openness
Which one of the following jobs would most likely require a portfolio be presented as part of the selection process?
A. sales executive B. entry level accountant C. human resources clerk D. commercial artist
Each of the following is true of Plutchik's theory of emotions EXCEPT ______
a. it appears to apply equally well to people of all cultures b. each of the emotions he describes helps us to adjust to the environment in different ways c. different emotions can be combined to produce a wider range of emotional experiences d. emotions adjacent to each other on Plutchik's "circle" are more alike than emotions situated opposite each other