What Is Found in the Posterior Root Ganglion of a Spinal

question 10

Multiple Choice

What is found in the posterior root ganglion of a spinal nerve?

• A)A cluster of sensory neuron cell bodies
• B)A mass of axons of motor neurons
• C)A cluster of cell bodies of interneurons
• D)A cluster of motor neuron cell bodies
• E)A mass of axons of interneurons

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Definitions:

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time.

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the just-noticeable difference (JND).

Semicircular Canals

Three fluid-filled circular tubes in the inner ear containing the sensory receptors that detect head motion caused when an individual tilts or moves the head and/or the body.

Inner Ear

The innermost part of the ear, containing the cochlea and vestibular system, crucial for hearing and balance.