With a bigger fire, a larger-diameter water hose will be needed to put out more water per second. Likewise, ______ axons have evolved to provide less resistance to the conduction of neural potentials.
A. shorter
B. thicker
C. thinner
D. denser
Answer: B
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The _____ serves as a relay station between the _____ and the rest of the brain.
A) pons; cerebellum B) pons; medulla C) cerebellum; pons D) cerebellum; medulla
When two brown-eyed parents have a blue-eyed child, this is an example of _______.
a. a mutation b. artificial selection c. a failure to “breed true” d. infidelity
Don is quite harsh in punishing his six-year-old son. Often, he belittles the boy and on occasion he has slapped him for running away from a spanking. Don may be provoking which of the following in his young son?
a. adrenaline damage b. learned helplessness c. parasympathetic failure d. emotional bargaining
People who report higher levels of pain do NOT have enhanced activity in the:
A) thalamus. B) somatosensory cortex. C) prefrontal cortex. D) anterior cingulate cortex.