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Unit 4 Chapter 13

Assignment

QuestionAnswer
Functions of the spinal cord include which of the following? Conduction, locomotion, reflexes
The spinal cord achieves the function of locomotion through _________. groups of neurons called central pattern generators
In an adult, the spinal cord ends at which vertebra? Between L1 and L2
What are the regions of the spinal cord? Thoracic, lumbar, cervical, sacralCorrect
What are meninges? Fibrous connective tissue membranes covering the central nervous system
Which of the following are made of gray matter? Anterior, posterior, and lateral horns
What are the three pairs of funiculi in the spinal cord? Posterior, lateral, anterior
Where is a spinal tap usually taken? Where is a spinal tap usually taken?
Within the spinal cord, which tracts carry information up to the brain? Sensory
How many spinal nerves are in each region of the spinal cord in order from superior to inferior? 8, 12, 5, 5, 1
What is the loose connective tissue surrounding an individual nerve fiber called? Endoneurium
Which spinal nerve roots carry sensory nerve signals? Posterior
How are chickenpox and shingles related? They are caused by the same virus.
The anterior rami of spinal nerves form which nerve plexuses? Cervical, lumbar, sacral
Which of the following statements is true regarding dermatomes? Dermatomes overlap at their edges by as much as 50%.
What is a reflex? A stereotyped, involuntary response to a stimulus
Which portion of a reflex arc is located entirely within the central nervous system? Interneuron
In which reflex is there a quick contraction of flexor muscles in response to a painful stimulus? Flexor
Created by: Gluis5974
 

 



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