Raina's trailer home is recently destroyed by a tornado. The activity of Raina's natural killer cells is most likely ____ it was prior to the disaster
a. ?higher than
b. ?lower than
c. ?the same as
d. ?more variable than
ANSWER:
b
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In a repeated measures t, the degrees of freedom are equal to
a. N. b. N – 1. c. N – 2. d. the number of observations in the two conditions.
Emil Kraepelin’s two-category system of mental illness included _____, disorders caused by external factors, and _____, disorders caused by internal factors.
A) neuroses, psychoses B) psychoses, neuroses C) exogenous disorders, endogenous disorders D) endogenous disorders, exogenous disorders
Which of the following has NOT been shown to boost the immune system?
a. support groups b. positive emotions, such as laughter c. guided imagery d. negative emotions, such as anger
Strong social and family networks, coping skills, ethnic identity, and self-efficacy are particular factors that help buffer stress among __________.
A. European Americans B. Asian Americans C. Hispanic Americans D. African Americans