The nurse is preparing material about the neurological system as part of major presentation. What should the nurse include that explains the purpose of white matter?
a. Carries either sensory or motor impulses
b. Location of white blood cells within the brain
c. Protects the spinal nerves from potential injury
d. Regulates movement and responses to external stimuli
ANS: A
A nerve tract is a group of thickly myelinated neurons within the central nervous system; such tracts within white matter appear white due to the myelin sheaths. A nerve tract within the spinal cord carries either sensory or motor impulses. B. The white matter does not store white blood cells within the brain. C. The vertebral column protects the spinal nerves from potential injury. D. The white matter does not regulate movement and responses to external stimuli.
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