#439 - Stapedectomy with Fascia Graft

| The Surgical Technologist | JULY 2020 310 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 ■ ■ ■ ■ ■ ■ ■ ■ 3 ■ ■ ■ ■ 13 ■ ■ ■ ■ 4 ■ ■ ■ ■ 14 ■ ■ ■ ■ 5 ■ ■ ■ ■ 15 ■ ■ ■ ■ 6 ■ ■ ■ ■ 16 ■ ■ ■ ■ 7 ■ ■ ■ ■ 17 ■ ■ ■ ■ 8 ■ ■ ■ ■ 18 ■ ■ ■ ■ 9 ■ ■ ■ ■ 19 ■ ■ ■ ■ 10 ■ ■ ■ ■ 20 ■ ■ ■ ■ #439   JULY 2020   1.5 CE CREDITS  $9 5. The first stapedectomy was performed in: a. 1948 b. 1956 c. 1962 d. 1968 6. The most-used prosthesis for a stapedoto- my include which of the following : a. Piston b. Wire loop c. Bucket handle d. A and b 7. A measurement of the length from the underside of the ______ to the hole made in the footplate is made for the prosthesis using a measuring rod. a. Incus b. Stapes c. Malleus d. Ear canal 8. This procedure has an extremely high suc- cess rate for primary cases. What is the second most common cause of failure? a. Vertigo b. Total hearing loss c. Necrosis of the incus d. Improper position of the prothesis 1. The main hearing organ is the ________. a. Stapes b. Cochlea c. Organ of Corti d. Incus 2. Which bone is stirrup-shaped, and its footplate fits into the oval window? a. Incus b. Malleus c. Stapes d. None of the above 3. What stimulates the cochlear nerves? a. Hair cells b. Nerve impulses c. Basilar membrane d. Tympanic membrane 4. Sensorineural hearing loss is due to a disorder of the inner ear or affecting of the _______. a. Ear canal b. Middle ear c. Organ of Corti d. Vestibulocochlear nerve 9. The bony labyrinth is a series of hollow channels filled with: a. Extracellular fluid b. Perilymph c. Endolymph d. Intracellular fluid 10. What is comprised of receptor audi- tory cells that receive and conduct sound stimulus? a. Scala media b. Scala vestibuli c. Organ of Corti d. Membranous labyrinth 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. Stapedectomywith FasciaGraft STAPEDECTOMYWITH FASCIA GRAFT # 439 JULY 2020 1.5 CE CREDITS $9