If a patient experiences numbness in the boundaries of a dermatome, it is suggestive of damage to
A) the somatosensory cortex.
B) the thalamus.
C) one of the spinal funiculi.
D) the anterior horn of grey matter in the spinal cord.
E) a spinal nerve.

Question

Quizplus · Accepted Answer

Dermatomes are areas of skin innervated by sensory fibers from a single spinal nerve. Numbness in a dermatome suggests damage to the corresponding spinal nerve.

If a Patient Experiences Numbness in the Boundaries of a Dermatome