At Each Vertebral Level Is a Pair of Spinal Nerves,each

question 20

Multiple Choice

At each vertebral level is a pair of spinal nerves,each consisting of an anterior and a posterior root.Select the statement that represents true information about motor or sensory distribution.

• A) The posterior root is the sensory root.
• B) Skin dermatomes represent motor innervations.
• C) The anterior root is the sensory root.
• D) Spinal ganglia exit the spinal cord through the cauda equina.

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