During the Screening Sensory Examination,a Patient Reports That the Touch

During the screening sensory examination,a patient reports that the touch sensation on the back of the right hand does not feel the same as the touch in the same area on the left hand.Reflex testing of the right upper extremity demonstrated diminished response of the triceps with normal responses in the other muscles.Which of the following problems is the MOST likely source of these changes?

A) Impingement of the C7 spinal root as it exits the vertebral column
B) Damage to the radial nerve at the level of the elbow
C) Impingement of the C6 spinal root as it exits the vertebral column
D) Damage to the median nerve at the level of the elbow