<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 27-year-old man is brought to the emergency department after a motor vehicle accident. He complains of tingling of his legs, and he is unable to move them. His temperature is 36.5C 97.7F, the blood pressure is 11075 mm Hg, and the pulse is 88min. On physical examination, pinprick sensation is absent below the umbilicus and there is no rectal tone. Muscle strength in the lower extremities is 15 bilaterally. He has 55 strength in his bilateral upper extremities. Plain films and computerized tomography CT show the displacement of the lumbar vertebrae. Which of the following is the best next step in the management of this patient?? A: Positron emission tomography PET scan of the spine, B: Intravenous methylprednisolone, C: CT myelography, D: Radiation therapy, E: Intravenous antibiotics,  <response>: This is a patient with acute spinal cord injury likely resulting from the motor vehicle accident. The key findings are tingling and paralysis of the legs, loss of rectal tone, and decreased sensation below the umbilicus, indicating a spinal cord injury around the T10 level. The imaging shows displacement of the lumbar vertebrae, confirming spinal injury. The next step should be to stabilize the spine and prevent further injury. Steroids may help limit inflammation and damage. Imaging like CT myelography can help delineate the extent of injury but is not urgent. PET scan and radiation therapy are not indicated. Antibiotics are not needed unless there is an open wound.B: Intravenous methylprednisolone 