A patient comes to the clinic complaining of neck and shoulder pain and is unable to turn her head. Which nerve does the nurse suspect is damaged and how should the nurse proceed with the examination?

A. XI; have patient shrug their shoulders against resistance: Cranial nerve XI, also known as the accessory nerve, is responsible for the innervation of the sternocleidomastoid and trapezius muscles. Damage to this nerve can lead to weakness in shoulder shrugging and difficulty turning the head. Asking the patient to shrug their shoulders against resistance allows the nurse to assess the function of this nerve effectively. B. XI; palpate the anterior and posterior triangles: While palpating the anterior and posterior triangles of the neck can provide useful anatomical information, it does not specifically assess the function of cranial nerve XI. This action may not directly address the patient's complaints or evaluate nerve function adequately. C. XII; assess for a positive Romberg sign: Cranial nerve XII, the hypoglossal nerve, is responsible for tongue movement. The Romberg test assesses balance and proprioception, not directly related to neck and shoulder pain or head movement. This option is not appropriate in this context. D. XII; percuss the sternomastoid and submandibular neck muscles: Percussion is not a standard method for assessing cranial nerve function and would not provide useful information about nerve damage. This option also incorrectly identifies the relevant cranial nerve, as cranial nerve XII is not involved in neck and shoulder movement.