After Losing His Left Hand in an Accident, Jack Continued

question 17

Multiple Choice

After losing his left hand in an accident, Jack continued to experience pain in his nonexistent hand. His experience illustrates

• A) tinnitus.
• B) sensory adaptation.
• C) phantom limb sensations.
• D) the McGurk effect.

---

Definitions:

Thoracolumbar

Pertains to the thoracic (chest) and lumbar (lower back) sections of the spine.

Preganglionic Fibers

Nerve fibers that extend from the central nervous system to a ganglion in the autonomic nervous system.

Parasympathetic Ganglion

A cluster of nerve cell bodies within the parasympathetic division of the autonomic nervous system, involved in rest and digest functions.

Ciliary Ganglion

A parasympathetic ganglion located in the orbit that plays a role in controlling the ciliary muscles of the eye, affecting lens shape and pupil size.