All of the Following Are Generally True of the Nucleus

question 14

Multiple Choice

All of the following are generally true of the nucleus pulposus except:

• A)It is the axis of motion for the functional units of the spine.
• B)It takes on and/or releases water in response to compressive loads.
• C)It is centrally aligned within the annulus fibrosis at all levels of the spine to provide uniform shock absorption.
• D)It is covered superiorly and inferiorly by a cartilaginous end-plate.

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Definitions:

Reflex Arc

The neurological path that mediates a reflex action, involving at a minimum, a sensory neuron, a motor neuron, and usually an interneuron.

Integration Center

A region in the nervous system where information is processed and interpreted, often resulting in the initiation of a specific response.

Dorsal Root Ganglia

A cluster of nerve cell bodies (neurons) in the dorsal root of a spinal nerve.

Sensory Neurons

Nerve cells that transmit sensory information (sight, sound, feeling, etc.) towards the central nervous system.