Question

which dermatome(s) is(are) typically completely unaffected by carpal tunnel syndrome? (maca) c5 c6 c7 c8

Explanation:

Carpal Tunnel Syndrome (CTS) affects the median nerve, which supplies sensation to the areas innervated by C6, C7, and C8 dermatomes (thumb, index, middle, and part of the ring finger). The C5 dermatome corresponds to the lateral upper arm and shoulder, which is innervated by the musculocutaneous and axillary nerves, not the median nerve involved in CTS, so it is completely unaffected.

Answer:

C5