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Anatomy and Functions of the Spinal Cord Quiz

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Anatomy and Functions of the Spinal Cord Quiz

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Questions and Answers

What is the main contribution of the spinal cord and spinal nerves to homeostasis?

Providing a bony covering to the spinal cord

Acting as a site for EPSPs and IPSPs integration

Processing reflexes (correct)

Conducting sensory and motor impulses

Which meningeal layer is the outermost covering of the spinal cord?

Pia mater

Arachnoid mater

Denticulate ligaments

Dura mater (correct)

What is the function of denticulate ligaments in relation to the spinal cord?

Process reflexes

Serve as a conduction pathway for motor impulses

Protect against sudden displacement (correct)

Carry cerebrospinal fluid

What is the purpose of a spinal tap?

To withdraw cerebrospinal fluid for diagnostic purposes Signup and view all the answers

Where does the spinal cord begin and end in an adult human?

Begins at the second lumbar vertebra and ends at the coccyx Signup and view all the answers

What is the main function of the subarachnoid space in relation to the spinal cord?

To carry cerebrospinal fluid Signup and view all the answers

What is the tapered portion of the spinal cord known as?

Conus Medullaris Signup and view all the answers

Which part of the spinal cord contains primarily cell bodies of neurons and neuroglia?

Gray matter Signup and view all the answers

What is the function of sensory tracts in the spinal cord?

Conduct nerve impulses toward the brain Signup and view all the answers

How many pairs of thoracic nerves emerge from the spinal cord?

12 pairs Signup and view all the answers

What is located at the center of the gray commissure within the spinal cord?

Central canal Signup and view all the answers

Which part of the spinal cord allows for reflexes to be processed?

Gray commissure Signup and view all the answers