Chapter 15 – The Spinal Cord, Spinal Nerves, and Somatic Reflexes | Verified Q&A on Anatomy, Reflex Physiology, and Clinical Structures

Chapter 13: The Spinal Cord, Spinal Nerves, and
Somatic Reflexes questions with verified answers
-Anterior horn
-Posterior horn
-Gray commissure Ans✓✓✓Select all that apply:
Which spinal cord areas are composed of gray matter?


-Brachial
-Sacral
-Cervical
-Lumbar Ans✓✓✓Select all that apply:


Choose all that are nerve plexuses of the body.


-Lateral funiculus
-Posterior funiculus
-Ventral funiculus Ans✓✓✓Select all that apply:
What are the three funiculi of white matter found in the spinal cord?


-Optic nerve
-Olfactory nerve Ans✓✓✓What are two examples of nerves that carry
only sensory information?

,-Skin
-Tendons
-Muscles Ans✓✓✓Select all that apply:


Choose all of the following places where somatic receptors are found.


-Stereotyped
-Requires stimulation
-Quick
-Involuntary Ans✓✓✓Select all that apply:


Choose all that are properties of a reflex.


1. Cervical
2. Thoracic
3. Lumbar
4. Sacral Ans✓✓✓Put the spinal cord regions in order.


1. dura mater
2. arachnoid mater
3. pia mater Ans✓✓✓Place the meninges in order from superficial (at
the top) to deep (at the bottom).

, 1. Receptor
2. Afferent neuron
3. Integration Center
4. Efferent neurons
5. Effector Ans✓✓✓Beginning at the top, place the components of a
reflex arc in order.


2 Ans✓✓✓Each spinal nerve arises from how many points of
attachment to the spinal cord?


31 Ans✓✓✓Each spinal cord segment gives rise to a pair of spinal
nerves. How many pairs of spinal nerves are typically present in an
adult?


A bundle of nerve roots occupying the vertebral canal from L2 to S5
Ans✓✓✓What is the cauda equina?


A cluster of nerve cell bodies Ans✓✓✓What is a ganglion?


A cord of nerve fiber bundles bound together by connective tissue
Ans✓✓✓What is a nerve?


A stereotyped, involuntary response to a stimulus Ans✓✓✓What is a
reflex?