Chpt14Q - CHAPTER 14 1) The cavities within the brain are...

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CHAPTER 14 1) The cavities within the brain are called A) sulci. B) choroid plexuses. C) nuclei. D) ventricles. E) commissures. Answer: D 2) Fine control of body coordination and balance is a function of the A) cerebellum. B) hypothalamus. C) thalamus. D) pituitary gland. E) reticular activating system. Answer: A 4) The brain requires such a large percentage of the body's total blood flow because A) it is such a large percentage of the body's total weight. B) its cells are always dividing to replace old cells. C) no glucose, the brain's exclusive energy source, is stored. D) it needs the heat to supply an alternative energy source. E) the movement of the blood stimulates the growth of the neuronal cytoplasmic extensions. . Answer: C 6) The blood-brain barrier does not prevent passage of A) any hormones. B) most bacteria. C) vitamins. D) red blood cells. E) lipid-soluble substances. Answer: E 7) The type of neuroglia that wrap around capillaries in the blood-brain barrier are the A) astrocytes. B) Schwann cells. C) oligodendrocytes. D) microglia. E) ependymal cells.
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Chpt14Q - CHAPTER 14 1) The cavities within the brain are...

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