During times of stress, the immune system
a. is more active
b. remains unaffected
c. increases white blood cell production
d. is suppressed
Ans: D
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One reason that sibling relationships are thought to be so important is that siblings often a. remain highly involved in each other's lives
b. constitute the longest-lasting relationships. c. support each other financially. d. use competition to motivate their successes throughout life.
Which disease is associated with myelin loss, causing neural impulses to travel around in the brain without reaching to their destinations?
a. ?depression b. ?Multiple Sclerosis c. ?Parkinson’s disease d. ?Alzheimer’s disease
In models of within-group cooperation, the tit-for-tat (TFT) strategy is best described as
A. offering to cooperate, but only if the other person gives you something of value. B. using dominance or threats to coerce the other person into cooperating. C. always competing and relying on dominance or social popularity to avoid consequences. D. cooperating initially and only switching to compete if the other person does so first.
The term "complex trait" implies that
A) two genes alone interact to form complex behavioral patterns seen in psychological disorders. B) genes mutate under the influence of environmental factors resulting in complex behavioral patterns. C) the environment is more influential in the development of complex behaviors such as those seen in mental illness. D) given mental disorders or behavioral traits are influenced by many genes in interaction with environmental factors.