A patient has an injury of the spine and is now suffering from a loss of motor function in his right arm. However, he still has normal sensory function in the arm. Based on this information it is likely that the patient has nervous tissue damage located at ________.
◦ the ventral root located at one or more of the cervical vertebra
◦ the dorsal root located at one or more of the cervical vertebra
◦ the dorsal rootlets located at one of the thoracic vertebra
◦ spinal nerves of the cervical vertebra