Chapter Practice Test Chapter 13: The Spinal Cord,
Spinal Nerves, and Spinal Reflexes questions with
verified answers
Consider the steps of a reflex arc. Which step follows information
processing? Ans✓✓✓activation of a motor neuron
In an adult, CNS injury is suspected if there is __________. Ans✓✓✓a
positive Babinski reflex
In the spinal cord, the cerebrospinal fluid is found within the
__________. Ans✓✓✓central canal and subarachnoid space
Pain receptors are the __________. Ans✓✓✓dendrites of sensory
neurons
Spinal nerves are classified as mixed nerves because they contain
__________. Ans✓✓✓both sensory and motor fibers
The brachial plexus innervates the __________. Ans✓✓✓shoulder
girdle and arm
The cauda equina is a complex of the spinal cord that includes
__________. Ans✓✓✓the filum terminale and the ventral and dorsal
roots caudal to the conus medullaris
Spinal Nerves, and Spinal Reflexes questions with
verified answers
Consider the steps of a reflex arc. Which step follows information
processing? Ans✓✓✓activation of a motor neuron
In an adult, CNS injury is suspected if there is __________. Ans✓✓✓a
positive Babinski reflex
In the spinal cord, the cerebrospinal fluid is found within the
__________. Ans✓✓✓central canal and subarachnoid space
Pain receptors are the __________. Ans✓✓✓dendrites of sensory
neurons
Spinal nerves are classified as mixed nerves because they contain
__________. Ans✓✓✓both sensory and motor fibers
The brachial plexus innervates the __________. Ans✓✓✓shoulder
girdle and arm
The cauda equina is a complex of the spinal cord that includes
__________. Ans✓✓✓the filum terminale and the ventral and dorsal
roots caudal to the conus medullaris
