A 75-Year-Old Woman Was Dusting the Top of a High

A 75-year-old woman was dusting the top of a high closet while balanced on a chair. She lost her balance and fell to the floor, catching her right lumbar region on the edge of the chair.
-The following statements about this patient are correct except which?

A) Examination of the back revealed a large bruised area in the right lumbar region, which was extremely tender to touch.
B) Anteroposterior and lateral radiographs exclude the presence of a fracture, especially of a transverse process.
C) A 24-hour specimen of urine should be examined for blood to exclude or confirm injury to the right kidney.
D) Careful examination of the erector spinae muscles or quadratus lumborum muscle may reveal extreme tenderness and therefore injury to these muscles.
E) A lumbar puncture (spinal tap) should always be performed in back injuries to exclude damage to the spinal cord.