The primary function of the neurofilaments is
A. providing structural support for the neuron.
B. the transport of organelles to the end of the axon.
C. the transport of organelles back to the cell body.
D. increasing the permeability of the neuron's cellular membrane.
Answer: A
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An axon's length can range from a few millimeters to
a. 1 inch. c. several feet. b. 12 inches. d. up to a mile.
Which of the following is the most accurate statement regarding sign language and talking?
A) Learning sign language speeds up the process of learning to talk. B) Deaf children who rely on sign language rarely acquire any true vocal skills. C) Children who are partially deaf and who use sign language have the worst chance of learning to talk because they use sign language as a "crutch." D) Research has found that only deaf children who get cochlear implants ever truly learn to talk effectively.
Which physical change to the brain has been noted in those suffering from schizophrenia?
a. Enlargement of the anterior ventricles. b. Demyelination of the basal ganglia c. Delateralization of the corpus callosum d. Shrinking of the overall brain.
Which area of the brain is most closely associated with grammar and the correct pronunciation of words?
a. the amygdala b. Broca's area c. Wernicke's area d. the thalamus