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IOT ARTHROPLASTY EXAM | ARTHROPLASTY OA EXAM | QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION | VERIFIED ANSWERS (JUST RELEASED)
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What is the most common form of arthritis?
Which of the "legs" of the Virtual Implant Positioning™ (VIP) targeter overhang the glenoid surface?
Which instrument is used to ensure proper morse taper engagement of the Glenosphere in the Univers - Revers Universal Glenoid?
What is the most common complication in rTSA?
What nerve innervates the deltoid muscle? ------CORRECT ANSWER------- --------Axillary nerve Which muscle/tendon can be incised (1-1.5 cm) to help exposure during shoulder arthroplasty? ------CORRECT ANSWER---------------Pec. major What vascular structure is found at the deltopectoral interval? ------ CORRECT ANSWER---------------Cephalic vein What is the most common glenoid wear pattern in shoulder osteoarthritis? - -----CORRECT ANSWER---------------Retroversion/posterior wear After the glenosphere is inserted into the Univers Revers Universal Glenoid, what is the definitive way to verify morse taper engagement? ------ CORRECT ANSWER---------------Use the glenosphere forceps with a linear pull What is the most common complication with rTSA resulting in re- operation/revision? ------CORRECT ANSWER---------------Scapular notching What is the insertion site for the subscapularis? ------CORRECT ANSWER- --------------Lesser tuberosity The offset of the heads in the Univers II Total Shoulder is? ------CORRECT ANSWER---------------3.5 mm
Which of the following is a key feature of the Univers II and Apex TSA systems? ------CORRECT ANSWER--------------- 125 - 140º inclination variation The maximum space tray and polyethylene combination height to be used in a Univers Revers is...? ------CORRECT ANSWER--------------- 18 All of the following statements are true regarding rTSA, EXCEPT: ------ CORRECT ANSWER---------------The glenoid peripheral is an optional step and can be skipped All of the following are hallmarks of rotator cuff arthropathy except: ------ CORRECT ANSWER---------------Increased acromio-humeral distance What is the most common complication in rTSA? ------CORRECT ANSWER---------------Scapular notching All of the following are true for ArthroFlex dermal allografts, EXCEPT: ------ CORRECT ANSWER---------------Must be kept frozen until use What is the thickness of the recommended AFLEX for SCR? ------ CORRECT ANSWER---------------3.0 mm
Why would a CA humeral head be indicated instead of a Univers Revers total shoulder arthroplasty? ------CORRECT ANSWER---------------Deltoid insufficiency Preparation of the humeral canal for the Univers shoulder fracture system includes: ------CORRECT ANSWER---------------Reaming to the size of implantation of the stem What is the name of the website where all of the management of the VIP system occurs? ------CORRECT ANSWER---------------Arthrexvip.com Wollf's law regarding bone states: ------CORRECT ANSWER--------------- Changes in stress lead to adaptation in bone What is the turnaround time to receive the glenoid targeter coordinates after approval of the VIP plan? ------CORRECT ANSWER--------------- 48 hours Which patient would NOT be a good candidate for a percutaneous pinning of a proximal humeral fracture? ------CORRECT ANSWER--------------- Patient with a high likelihood for AVN The adjustable height of the Arthrex Univers shoulder fracture system stem is best described as providing: ------CORRECT ANSWER---------------+/- 7. mm of adjustable height
Which of the "legs" of the VIP targeter overhang the glenoid surfaces? ------ CORRECT ANSWER---------------The anterior-superior & anterior-inferior How many cage screw lengths are available in the ECLIPSE system? ------ CORRECT ANSWER--------------- 4 All of the following are mandatory information for new VIP cases, EXCEPT: ------CORRECT ANSWER---------------Date of CT T/F: Prior to uploading VIP, CT scans must be compressed ------CORRECT ANSWER---------------True The SutureCup is available in a posterior offset option, how many MM is that offset? ------CORRECT ANSWER---------------2mm What material is the Univers Revers Humeral Stem made out of? ------ CORRECT ANSWER---------------Titanium (Ti) Which of the following are true about the Univers Revers Humeral Stem? -- ----CORRECT ANSWER---------------All of the above How much press-fit will the surgeon get when using the Univers Revers stem compared to the broach? ------CORRECT ANSWER--------------- 1.5mm
The humeral head implant for the Univers II and the Glenosphere for the Univers Revers are composed of: ------CORRECT ANSWER--------------- Cobalt Chrome T/F: The Univers II and Apex stems allow for +/- 10 degrees of version correction? ------CORRECT ANSWER---------------True Univers CA Heads are designed to articulate with which 2 surfaces? ------ CORRECT ANSWER---------------Glenoid & Acromion The offset of the heads in the Univers II Total Shoulder is: ------CORRECT ANSWER---------------3.5mm T/F: When reaming the humerus, Arthrex recommends the surgeon ream until "cortical chatter" or cortical fit is obtained? ------CORRECT ANSWER-- -------------False What is the inclination angle of the Size 5 Apex stem? ------CORRECT ANSWER---------------132. Comparing the standard glenoid components with the VaultLock, which statement is true? ------CORRECT ANSWER---------------The radius of curvature are different for the VaultLock when compared to the standard Glenoid
Posterior erosion of the glenoid causing a neo and paleo glenoid is a XX in the Walch classification system ------CORRECT ANSWER---------------B What size revision stems are available in the Univers Revers system ------ CORRECT ANSWER---------------6, 9, 12 When compared to the size of the corresponding broach, how much additional press fit do the U2, APEX, & Univers Rev implant achieve ------ CORRECT ANSWER---------------1.5mm additional press fit Comparing standard glenoid to vaultlock which statement is true ------ CORRECT ANSWER---------------Radius of curvature is different What is the maximum spacer + poly combo that is on label for the Univers Revers system ------CORRECT ANSWER--------------- 18 - 15 spacer + 3 poly/liner What is the most common complication from RTSA ------CORRECT ANSWER---------------Notching What is a key feature for the U2 and APEX stems ------CORRECT ANSWER---------------125-140 inclination variability What is the website for VIP Management ------CORRECT ANSWER---------- -----arthrexvip.com