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AST Member No. ■ My address has changed. The address below is the new address. Name Address City State Zip Telephone ■ Check enclosed  ■ Check Number a b c d a b c d 1 ■ ■ ■ ■ 11 ■ ■ ■ ■ 2 ■ ■ 11 ■ ■ ■ ■ 3 ■ ■ ■ ■ 13 ■ ■ ■ ■ 4 ■ ■ ■ ■ 14 ■ ■ ■ ■ 5 ■ ■ ■ ■ 15 ■ ■ ■ ■ 6 ■ ■ ■ ■ 16 ■ ■ ■ ■ 7 ■ ■ ■ ■ 17 ■ ■ ■ ■ 8 ■ ■ ■ ■ 18 ■ ■ ■ ■ 9 ■ ■ ■ ■ 19 ■ ■ ■ ■ 10 ■ ■ ■ ■ 20 ■ ■ ■ ■ #444   DECEMBER 2020   1 CE CREDIT   $6 4. ASD is a known complication of fusion sur- gery in RA patients, with an incidence of up to: a. 50% b. 60% c. 70% d. 80% 5. The extent of joint involvement and disease progression of RA can be characterized into howmany categories? a. 2 b. 3 c. 4 d. 5 6. What is one of the radiographic hallmarks of RA in the thoracolumbar spine? a. General lumbar lesions b. Erosion of apophyseal joints c. Fusion of facet joints d. Both b and c 7. Which method helps to detect early inflammatory changes in bones and joints without exposing patients to ionizing radiation? a. X-ray b. CT c. MRI d. Ultrasound 1. The inflammatory degeneration of collagen at the junction between the disk and the _____ lead to loss of disk space and instability. a. Endplates b. Facet joints c. Cartilage d. Subchondral bone 2. True or false: The triggers for the inflammation are thought to be mul- tifactorial, but not including environ- mental causes. a. True b. False 3. Studies have found that patients on leflunomide monotherapy have reported an increased risk of which complication? a. Surgical wound infection b. Increased bleeding c. Pseudoarthrosis d. Respiratory complications 8. Lumbar scoliosis has been reported to have a prevalence of _____ in patients with RA. a. 20-24% b. 25-28% c. 28-32% d. 30-34% 9. Which procedure is often used in con- junction with decompression to treat rheumatoid spondylitis? a. Laminectomy b. Posterior lumbar interbody fusion c. Laminotomy without fusion d. Anterior lumbar fusion 10. The most frequent radiographic finding when X-raying the lumbar spine is: a. Endplate erosion b. Facet erosion c. Disc space narrowing d. Osteophyte formation Make It Easy - Take CE Exams Online Y ou must have a credit card to pur- chase test online. We accept Visa, MasterCard and American Express. Your credit card will only be charged once you pass the test and then your credits will be automati- cally recorded to your account. Log on to your account on the AST homepage to take advantage of this benefit. If you want to mail in your CEs, but still want to pay by credit card, give us at call at 800-637-7433. SurgicalManagement of the Lumbar Spine inRheumatoidArthritis SURGICAL MANAGEMENT OF THE LUMBAR SPINE IN RHEUMATOID ARTHRITIS # 444 DECEMBER 2020 1 CE CREDIT $6 DECEMBER 2020 | The Surgical Technologist | 559