Which of the following are the cardinal symptoms of schizophrenia of which at least one must be present for a diagnosis in the DSM-5?
a. delusions, hallucinations, or disorganized speech
b. catatonia, disturbances of volition, and loss of appetite
c. waxy flexibility, catatonia, and loss of sensory sensations
d. reduced sensation, catatonic behavior, and loss of ego boundaries
A
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During adolescence, the physical activity levels of males continue to increase, while those of females tend to level off, or even decline. This is most likely due to the
a. degeneration of muscle tissue in females. b. traditional gender-role socialization of females in our culture that discourages physical activity (especially in athletics). c. hormonal changes across the period of adolescence. d. secular trend.
What are brief and common aggressive acts that frequently reflect the prejudice of the aggressor?
A. microaggressions B. hostile aggressions C. reactive aggressions D. instrumental aggressions
Research has found that low serotonin levels may be implicated in suicidal behavior because they affect all of the following EXCEPT
A. impulsivity. B. instability. C. inertia. D. overreaction.
Which of these feats was Alex the African grey parrot capable of?
A. He could map words onto referent objects. B. Alex had a vocabulary of nearly 1,000 words. C. He could distinguish between objects of different colors. D. Alex could refer to future events rather than always speaking in the present tense.