Question 2 of 3

(demo test)

Product Demo for Board Review for the NBCOT® OTR® Exam

You are working with a 37-year-old client who was involved in a work accident affecting his spine and brachial plexus. You would like to test for the dermatome to C7. What would be the most appropriate assessment location?

A. Small finger

B. Middle finger

C. Thumb

D. Lateral elbow

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Category:

Musculoskeletal Conditions & Approaches

High Yield:

No

Your Answer:

U

Correct Answer:

B

Explanation:

A dermatome refers to the area of skin that is supplied by a specific spinal nerve root from the spinal cord.  Pinprick testing or light touch testing is completed on the area of skin that is innervated by a specific spinal nerve root. 

Testing for dermatomes in the upper extremities is as follows:

C4-Shoulder acromioclavicular joint

C5-Lateral elbow

C6-Thumb

C7-Middle finger

C8-Small finger

T1-Medial elbow

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