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Post-test: Interventional Radiology Procedures for Chronic Low Back Pain

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Question 1 of 5
Which of the following patients is most likely to have a positive clinical response to an epidural steroid injection:
Low back pain dominant with some degree of leg pain that radiates below the knee.
Low back pain dominant with some degree of leg pain that radiates below the knee, and with findings of a herniated nucleus pulposis on MRI studies.
Leg dominant pain with some degree of low back pain and facet joint osteoarthritis described on lumbar spine imaging.
Leg dominant pain with some degree of low back pain, positive straight leg raise test on physical examination, and correlative findings on MRI of herniated nucleus pulposis at the relevant spinal level.