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OCTOBER 2021 | The Surgical Technologist | 451 #454   OCTOBER 2021 1 CE CREDIT $6 5. In this concept, the PQ is approached _____ between the deep flexors and the flexor pollicis tendon. a. Dorsally b. Posteriorly c. Laterally d. Radially 6. A typical skin incision is made and extended to the forearm in line of the modified Henry approach, usually up to ___. a. 2-4 cm b. 3-5 cm c. 7-9 cm d. 10-12 cm 7. For free flap anastomosis, the _______ or the _______ are dissected. a. Radial artery, ulnar artery b. Radial artery, ulnar nerve branch c. Ulnar artery, Guyon’s canal d. Only radial artery 1. Since their first description in 1917, reconstructive approaches in hand surgery to restore thumb opposition are based on: a. Tendon transfers b. Nerve transfers c. Free functional muscle transfers d. All of the above 2. This article presents a reconstructive concept for a thenar reconstruction of thumb opposition using a: a. Abductor digiti minimi (ADM) flap b. Pronator quadratus flap c. Abductor pollicis muscle d. Palmaris longus muscle 3. To reconstruct opposition, standardly _____ have been used. a. Nerve transfers b. Tendon transfers c. ADM transfers d. Split tendon transfers 4. The first free functional muscle transfer was described in: a. 1950 b. 1960 c. 1970 d. 1980 8. The pedicle is dissected about ____ proximal to the muscle entry. a. 5 cm b. 6 cm c. 7 cm d. 8 cm 9. The AIN bundle consists of: a. Anterior interossea artery b. Vein c. Nerve d. All of the above 10. True or false: The abductor pollicis brevis (APB) muscle is, besides the opponens pollicis (OP) muscle, the prime muscle of thumb opposition. a. True b. False SingleIncisionThenarMuscleReconstruction 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 ■ ■ ■ ■ ■ ■ 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. SINGLE INCISIONTHENARMUSCLERECONSTRUCTION # 454 OCTOBER2021 1 CECREDIT $6