Sally stepped on a nail while she was demolishing an old shed. Imagine that we are able to trace all of the nervous system activity that occurs when she stepped on the nail. What would this image of the nervous system reveal?
a) The pain message reaches the brain and the spinal cord at the same time.
b) The pain message results in a spinal reflex and it is also sent to the brain for further processing.
c) The pain message is sent to the brain where it is processed by higher brain centers that eventually
send a message to pull her foot back.
d) The pain message speeds its way to the spinal cord where it is processed before it is sent to the
cerebellum for additional processing.
ANS: b
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Studies on PKU (phenylketonuria) support which of these generalizations? a. Localized brain damage can impair one behavior with little effect on others. b. A special environment can modify the effect of a gene
c. Certain brain areas can grow new neurons even in adults. d. Physical exercise can improve memory and mood.
Most journals in psychology follow the writing style established by the ____
a. American Psychiatric Association b. American Psychic Association c. American Psychological Association d. Association for Psychology
Today we know that adolescent development is
A) environmentally determined. B) biologically determined. C) socially determined. D) influenced by biological, psychological, and social forces.
Dr. Smythe has developed a theory about why children in heavily industrialized nations develop more quickly than children in poorer, more rural nations. The goal of scientific study he has attempted to achieve is to __________ behavior
A) describe B) explain C) predict D) intervene in