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IOT ARTHROPLASTY EXAM | ARTHROPLASTY OA EXAM | QUESTIONS AND CORRECT ANSWERS | GRADED A+, Exams of General Surgery

DeVry University - FloridaGeneral Surgery

IOT ARTHROPLASTY EXAM | ARTHROPLASTY OA EXAM | QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST VERSION | VERIFIED ANSWERS (JUST RELEASED)

Typology: Exams

2024/2025

Available from 09/27/2024

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IOT ARTHROPLASTY EXAM | ARTHROPLASTY
OA EXAM | QUESTIONS AND CORRECT
ANSWERS | GRADED A+ | LATEST VERSION |
VERIFIED ANSWERS (JUST RELEASED)
What is the most common form of arthritis?
- Osteoarthritis
- Rheumatoid arthritis
- Psoriatic arthritis
- Rotator cuff arthropathy ------CORRECT ANSWER---------------
Osteoarthritis
What are the three hallmarks of osteoarthritis seen on x-ray?
- Superior head escape, anterior head escape, osteophytes
- Osteophytes, subchondral cysts, joint space narrowing
- Osteophytes, acetabularization, superior head migration
- Joint space narrowing, anterior escape, osteophytes ------CORRECT
ANSWER---------------Osteophytes, subchondral cysts, joint space
narrowing
What group of prior surgeries is the most common cause of capsulorraphy
arthropathy?
- Biceps tenodesis
- Rotator cuff repair
- GH joint stabilization
- Suprascapular nerve decompression ------CORRECT ANSWER-------------
--GH joint stabilization
All of the following are indications for rTSA, except:
- Small, reparable rotator cuff tear
- Rotator cuff arthropathy
- Dysfunctional suprascapular nerve
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Download IOT ARTHROPLASTY EXAM | ARTHROPLASTY OA EXAM | QUESTIONS AND CORRECT ANSWERS | GRADED A+ and more Exams General Surgery in PDF only on Docsity!

IOT ARTHROPLASTY EXAM | ARTHROPLASTY

OA EXAM | QUESTIONS AND CORRECT

ANSWERS | GRADED A+ | LATEST VERSION |

VERIFIED ANSWERS (JUST RELEASED)

What is the most common form of arthritis?

  • Osteoarthritis
  • Rheumatoid arthritis
  • Psoriatic arthritis
  • Rotator cuff arthropathy ------CORRECT ANSWER--------------- Osteoarthritis What are the three hallmarks of osteoarthritis seen on x-ray?
  • Superior head escape, anterior head escape, osteophytes
  • Osteophytes, subchondral cysts, joint space narrowing
  • Osteophytes, acetabularization, superior head migration
  • Joint space narrowing, anterior escape, osteophytes ------CORRECT ANSWER---------------Osteophytes, subchondral cysts, joint space narrowing What group of prior surgeries is the most common cause of capsulorraphy arthropathy?
  • Biceps tenodesis
  • Rotator cuff repair
  • GH joint stabilization
  • Suprascapular nerve decompression ------CORRECT ANSWER------------- --GH joint stabilization All of the following are indications for rTSA, except:
  • Small, reparable rotator cuff tear
  • Rotator cuff arthropathy
  • Dysfunctional suprascapular nerve
  • Proximal humerus fracture ------CORRECT ANSWER---------------Small, reparable rotator cuff tear When compared to the size of the corresponding broach of the same size, how much press-fit coating is on the Univers II, apex, and Univers revers stems?
  • 0.5 mm
  • 1.0 mm
  • 1.5 mm
  • 2.0 mm *** 0.5mm difference between the broach and implant ------CORRECT ANSWER---------------1.5 mm What size revision stems are available for the Univers Revers?
  • 6 mm, 8 mm, 10 mm
  • 7 mm, 9 mm, 11mm
  • 5 mm, 8 mm, 10 mm
  • 6 mm, 9 mm, 12 mm ------CORRECT ANSWER---------------6 mm, 9 mm, 12 mm Posterior erosion of the glenoid causing a definitive paleo-glenoid and neo- glenoid is what walch classification?
  • A
  • B
  • B
  • C ------CORRECT ANSWER---------------B All of the following are indications for rTSA, EXCEPT: ------CORRECT ANSWER---------------Small, reparable RC tear

Which of the "legs" of the Virtual Implant Positioning™ (VIP) targeter overhang the glenoid surface?

  • The anterior and posterior-inferior
  • The anterior-superior and posterior-superior
  • The anterior-superior and anterior-inferior
  • The posterior and anterior-inferior ------CORRECT ANSWER--------------- The anterior-superior and anterior-inferior What is the turnaround time to receive the Glenoid Targeter coordinates after approval of the Virtual Implant Positioning™ (VIP) Plan?
  • Immediate
  • 48 hours
  • 3 - 5 business days
  • 10 business days ------CORRECT ANSWER---------------48 hours Which two surfaces is the CA (cuff arthropathy) humeral heads designed to articulate with?
  • Humerus and glenoid
  • Glenoid and rotator cuff
  • Acromion and coracoid
  • Glenoid and acromion ------CORRECT ANSWER---------------Glenoid and acromion Why would a CA humeral head be indicated instead of a Univers Revers™ total shoulder arthroplasty?
  • Deltoid insufficiency
  • Intact rotator cuff
  • Active infection
  • Advanced patient age ------CORRECT ANSWER---------------Deltoid insufficiency Wollf's law regarding bone states:
  • Increased stress on bone leads to weaking of bone
  • Changes in stress lead to adaptation in bone
  • Decreased stress on bone leads to strengthening of bone
  • Increased bone stress leads to osteopenia ------CORRECT ANSWER------ ---------Changes in stress lead to adaptation in bone Which patient would NOT be a good candidate for percutaneous pinning of a proximal humeral fracture?
  • Patient with a 2-part fracture
  • Patient with a 3-part fracture
  • Patient with a low likelihood for AVN
  • Patient with a high likelihood for AVN ------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:
  • Up to +7.5 mm of adjustable height
  • Up to - 7.5 mm of adjustable height
    • or - 7.5 mm of adjustable height
    • or - 15 mm of adjustable height ------CORRECT ANSWER---------------+ or - 7.5 mm of adjustable height Preparation of the humeral canal for the Univers™ shoulder fracture system stem includes:
  • Reaming to size and implantation of the stem
  • Reaming to size then broaching to size before implantation of the stem
  • Reaming to size and then broaching one size under before implantation of the stem
  • Reaming to size and broaching to one size over before implantation of the stem ------CORRECT ANSWER---------------Reaming to size and implantation of the stem

Which instrument is used to ensure proper morse taper engagement of the Glenosphere in the Univers - Revers Universal Glenoid?

  • Coring (peripheral) reamer
  • Central screw depth gauge
  • Glenosphere forceps
  • All of the above ------CORRECT ANSWER---------------Central screw depth gauge When inserting central and peripheral screws into the Univers Revers Universal Glenoid baseplate, it is important not to exceed how many Nm of torque?
  • 2Nm
  • 3Nm
  • 4Nm
  • 5Nm ------CORRECT ANSWER---------------5Nm Which of the following are true about the Univers Revers Humeral Stem?
  • 135 and 155 inclination angle options in one universal stem body
  • Rectangular proximal filling stem based on the Univers II anatomic geometry
  • Calcium phosphate coated proximal stem
  • 1 mm size increments for optimized press-fit
  • All of the above ------CORRECT ANSWER---------------All of the above True or False: All of our Univers Revers Universal Glenoid glenosphere sizes are available in concentric (centered), +3.5 inferior offset, and + lateral offset.
  • True
  • False ------CORRECT ANSWER---------------False What material is the Univers Revers Humeral Stem made out of?
  • Cobal chrome (CoCr)
  • Titanium (T)
  • Stainless steel
  • PyroCarbon ------CORRECT ANSWER---------------Titanium (T) How much press-fit will the surgeon get when using the Univers Revers stem compared to the broach? 5 mm 1 mm 1.5 mm 2 mm ------CORRECT ANSWER---------------1.5 mm Which of the following statements is TRUE regarding inclination angle and scapular notching?
  • A standard 135 implant is associated with greater scapular notching
  • A standard 155 implant is associated with greater scapular notching
  • Implants of 135 and 155 are associated with similar occurrences of scapular notching
  • Scapular notching is only associated in revision rTSA ------CORRECT ANSWER---------------A standard 155 implant is associated with greater scapular notching The humeral head implant for the Univers II and the Glenosphere for the Univers Revers are composed of:
  • Cobalt chrome
  • Stainless steal
  • Ultra-high molecular weight polyethylene (UHMWP)
  • Ceramaic ------CORRECT ANSWER---------------Cobalt chrome True or False: During the explanting process, when removing the trunnion on the Univers II or Apex stems it is necessary to remove both the inferior and superior screws to disengage the trunnion for the stem.
  • True

What is the most common complication in rTSA?

  • Infection
  • Instability
  • Fracture
  • Scapular notching ------CORRECT ANSWER---------------Scapular notching What is the most common complication with rTSA resulting in re- operation/revision?
  • Implant loosening
  • Fracture
  • Scapular notching
  • Rotator cuff failure ------CORRECT ANSWER---------------Implant loosening The offset of heads in the Univers II total shoulder is?
  • 5.3 mm
  • 2.9 mm
  • 2.0 mm
  • 3.5 mm ------CORRECT ANSWER---------------3.5 mm All of the following statements are true regarding rTSA, except:
  • Using a 3 mm poly is recommended when using a metal space
  • The maximum recommended build up on the humeral stem is 18 mm
  • The humeral stem can either be press-fit or cemented
  • The glenoid peripheral is an optional step and can be skipped ------ CORRECT ANSWER---------------The glenoid peripheral is an optional step and can be skipped What is the maximum spacer tray and polyethylene combination height to be used in a Univers Revers?
  • 12 mm
  • 15 mm
  • 18 mm ------CORRECT ANSWER---------------18 mm What is the insertion site for the subscapularis?
  • Greater tuberosity
  • Lesser tuberosity
  • Intertubular groove
  • Lesser trochanter ------CORRECT ANSWER---------------Lesser tuberosity What muscle/tendon can be incised (1-1.5 cm) to help exposure duing shoulder arthroplasty?
  • Supraspinatus
  • Latissimus dorsi
  • Pectoralis major
  • Teres major ------CORRECT ANSWER---------------Pectoralis major What nerve innervates the deltoid muscle?
  • Suprascapular nerve
  • Radial nerve
  • Axillary nerve
  • Deltopectinealcutaneal nerve ------CORRECT ANSWER--------------- Axillary nerve What vascular structure is found at the deltopectoral interval
  • Axillary artery
  • "Three sisters" (circumflex vessels)
  • Cephalic vein
  • Saphenous vein ------CORRECT ANSWER---------------Cephalic vein

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