Which of the following statements related to herniated intervertebral disk is INCORRECT?
A. Protrusion of the disk material may impinge on nerve roots that exit through intervertebral foramina.
B. It usually results from chronic infection of the disk, which predisposes to the herniation.
C. Protrusion of disk material may be detected by CT scan or myelogram.
D. Part of the nucleus pulposus is extruded through a weak area or tear in the annulus fibrosus.
Question 2
Pyelonephritis results from which of the following?
A. Formation of immune complexes that damage the glomeruli
B. Bacterial infection of the kidney
C. Formation of autoantibodies directed against the glomerular basement membrane
D. Inadequate renal blood flow
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