A patient with a spinal cord lesion at T4 tells the nurse that he has a headache and feels flushed. The BP is significantly elevated to 190/100. The first action by the nurse is to:

Elevate the head of the bed immediately and notify the provider

Administer PRN tylenol for the patient's headache

Recheck all of the patient's vital signs

Elevate the patient's knees and lower the head of the bed