What is the relationship between the HIV-1 virus and brain damage?
A) The virus itself can cause disruptive brain damage.
B) The virus works indirectly: it allows infections to occur which cause brain damage.
C) The virus is more likely to multiple in a brain that has already been damaged by brain trauma or
some other cause of tissue loss.
D) The virus does not lead to brain damage, but the disease so affects patients that their psychotic
reactions mimic those of brain damage.
A
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In explaining an individual's aggressiveness, Skinner would look for
a. feelings of repressed hostility. b. an inadequate sense of self-worth. c. early learning experiences and reinforcement history. d. instinctual explanations.
Alzheimer's is associated with brain damage as a result of ____
a. loss of the fibers connecting the substantia nigra to the basal ganglia b. loss of cell bodies in the dorsomedial thalamus c. tangles and plaques in the cerebral cortex and hippocampus d. an epileptic focus in the temporal lobe of the cortex
The most common of all the male sexual dysfunctions is a. premature ejaculation. b. inhibited orgasm
c. erectile dysfunction. d. sexual aversion.
A researcher states an alternative hypothesis that the exercise improves physical health. Which is a possible null hypothesis corresponding to this alternative hypothesis?
A. Exercise worsens physical health. B. There is no effect of exercise on physical health. C. Physical health is not impacted by exercises. D. Exercises worsens or has not impact on physical health.