Arthroplasty IOT Training Practice Test

These questions are part of the practice quiz. Start practicing

• Which combination best describes the early signs of prosthetic joint infection and the recommended initial workup?
• What is the primary concern with metallosis in metal-on-metal hip implants?
• Which of the following abduction ranges is within the recommended SCR tension-graft position?
• Explain the main wear mechanisms (adhesive, abrasive, third-body) in bearing surfaces and strategies to mitigate them.
• During a trial reduction, which aspects are assessed before final components are placed?
• Which pairing of perioperative risk and preventive strategy is correct for total joint arthroplasty?
• Which practice helps limit contamination risk in the operating room during joint replacement?
• Which material is used for fixation of a cemented hip stem?
• In trialing for a total hip replacement, what is the critical step to ensure proper offset and leg length?
• What best defines leg-length discrepancy in arthroplasty and how is it assessed intraoperatively?
• Capsuloraphy arthropathy is most commonly treated with which group of surgery?
• Which abduction range is recommended for SCR when using a tension-graft?
• What is known about ceramic-on-ceramic wear and its most common complication?
• What is the average anatomic neck-shaft angle of the humerus?
• In hip arthroplasty, when is a constrained liner typically considered?
• Which radiographic signs suggest loosening of a hip prosthesis?
• What is the maximum spacer tray height in a Univers Revers?
• Which of the following factors influences the choice between a stemmed and stemless shoulder prosthesis?
• Which abduction angle is within the recommended SCR tension-graft position?
• In knee arthroplasty, which design preserves the posterior cruciate ligament?
• What strategy is used to reduce infection risk by addressing perioperative temperatures in arthroplasty?
• Describe typical postoperative rehabilitation milestones after a total hip replacement.
• What is the purpose of preoperative marking and site verification before arthroplasty?
• Which statement best describes the overall longevity of cemented versus cementless hip stems?
• Which tests are typically included in the initial workup for suspected prosthetic joint infection?
• What is the role of antibiotic-impregnated cement in arthroplasty, and what are its limitations?
• What is a commonly cited drawback of computer-assisted knee arthroplasty navigation?
• Which statement is true regarding the inclination angle and scapular notching?
• How do computer-assisted navigation or robotic guidance affect alignment accuracy in knee arthroplasty?
• Which pairing correctly describes Arthroflex's attachment in SCR?
• Ceramic-on-ceramic or ceramic-on-polyethylene bearings have very low wear but carry which risk?
• Which risk is specifically associated with the anterior approach in hip arthroplasty?
• Why would a CA Humeral head be indicated instead of a Univers Revers Total Shoulder Arthroplasty?
• Explain why modular neck hip implants may experience corrosion at the head-neck junction and how this risk is mitigated.
• Which statement about vaultlock and standard glenoid components is true?
• Why is intraoperative assessment of hemostasis important during arthroplasty?
• In sterile technique, what is the purpose of instrument counts and how are discrepancies managed?
• Which of the following is a typical management approach for early dislocation after hip arthroplasty?
• What are the three radiographic hallmarks of Osteoarthritis in an X-ray?
• Identify a common intraoperative fracture during knee arthroplasty and its typical management.
• Trunnionosis refers to corrosion and wear at which junction, and how is it detected clinically?
• Which statement is true about Eclipse cage screws lengths?
• Which of the following is a reason to select a cementless acetabular component in hip arthroplasty?
• Which value represents the maximum torque for inserting central and peripheral screws?
• Which of the following statements about the biomechanics of reverse total shoulder arthroplasty is true?
• Which action contributes to maintaining normothermia during arthroplasty?
• Which pair is involved in Arthroflex attachment in SCR?
• How does cementless knee fixation rely on bone ingrowth, and what patient factors influence outcomes?
• What is the impact of robotic-assisted arthroplasty on component positioning accuracy and revision rates?
• Intraoperative soft tissue balancing in total knee arthroplasty is best described by which statement?
• Which statement best describes the rationale for using a tourniquet in knee arthroplasty and its potential drawbacks?
• Which sizes of revision stems are available for Univers Revers?
• True or False: During explanting process, when removing the trunion on the Univers II or Apex stems, it's necessary to remove both the inferior and superior screws to disengage from stem.
• What are key infection prevention practices when handling implants in arthroplasty?
• Deltopectoral interval contains which vessel?
• Which intraoperative strategies are used to restore leg length and offset in total hip arthroplasty?
• The CA Heads are designed to articulate with the glenoid and acromion.
• Is it possible to have both 135 and 155 options in a single Univers II stem body?
• What combination of imaging modalities is used to evaluate preoperative bone stock and canal morphology?
• Regarding humeral reaming, which statement is correct?
• Which Walch classification indicates posterior erosion with paleo- and neo-glenoid?
• Which scenario would most likely disqualify a proximal humerus fracture from percutaneous pinning?
• Which wear mechanism is driven by hard particles between bearing surfaces?
• During cemented hip arthroplasty, what is a key objective when inserting the femoral stem?
• The offset for the Posterior Offset option of the suture cup is which value?
• What is the rationale for tranexamic acid protocols in arthroplasty?
• In an infected arthroplasty, one-stage revision is most appropriate under which scenario?
• Aseptic technique and its critical elements in arthroplasty are best described as which of the following?
• Which THA approach is associated with a higher dislocation risk?
• Postoperative weight-bearing guidelines after cemented hip and knee arthroplasty typically include which statement?
• Which structures are involved in Arthroflex attachment during SCR?
• What vascular structure is found at the deltopectoral interval?
• In high-risk hip arthroplasty patients, what is the therapeutic purpose of using a constrained liner?
• What is the role of radiographs in the early postoperative assessment of arthroplasty?
• How is patellar maltracking corrected during total knee arthroplasty?
• What is the purpose of a surgical time-out in the arthroplasty suite, and what should it confirm?
• The CA Heads are designed to articulate with which two surfaces?
• Which of the following best describes the Arthroflex graft's attachment in SCR?
• Insertion site for Subscapularis?
• Univers CA Heads are designed to articulate with what 2 surfaces?
• Which option best describes the typical pharmacologic DVT prophylaxis regimen after hip or knee arthroplasty?
• Which statement about glenoid tilt and loosening is accurate?
• What is the neck shaft angle range for Univers II and Apex Cups?
• In an infected arthroplasty, one-stage revision is most appropriate under which scenario?
• What material is the Univers Revers Stem made of?
• Which condition is cuff tear arthropathy typically indicated for treatment with reverse total shoulder arthroplasty?
• What is the average humeral retroversion reproduced during shoulder arthroplasty?
• Which bearing surface is most commonly linked to wear debris and osteolysis?
• In SCR, the Arthroflex graft is anchored to which two structures?
• The glenosphere in Univers Revers is made of which material?
• What is leg length discrepancy after hip arthroplasty and how can it be minimized intraoperatively?
• In knee arthroplasty, how is malposition of the tibial or femoral component detected on radiographs and corrected?
• The purpose of an SCR is to keep the humeral head centered on the glenoid.
• Which imaging modalities are used postoperatively to assess hip/knee arthroplasty and which findings indicate complications?
• Which radiographic sign indicates loosening around a hip prosthesis?
• The offset of heads in the Univers II Total Shoulder is?
• Which antibiotic is commonly used for perioperative prophylaxis in arthroplasty, and when is it typically given?
• Which of the following is a key consideration in glenoid component placement to prevent loosening?
• Which statement is true when comparing standard glenoid components with Vaultlock?
• How many cage screw lengths are available with Eclipse?
• Which pair of VIP legs overhang the glenoid surface?
• Which instrument is used to ensure proper Morse taper engagement of the glenosphere in Univers Revers glenoid?
• What size revision stems are available for Univers Revers?
• Which factors commonly contribute to dislocation after hip arthroplasty, and how can surgical technique mitigate them?
• Within what time frame after surgery is pharmacologic DVT prophylaxis typically started?
• Which fixation method for hip stems relies on bone ingrowth via a porous surface rather than bone cement?
• What is the most common form of arthritis?
• To minimize leg length discrepancy intraoperatively, which approach is recommended?
• Which statement best describes the cement mantle in hip arthroplasty, and how its quality is evaluated radiographically?
• What is the average humeral retroversion reproduced in arthroplasty?
• Which two strategies are commonly used to prevent heterotopic ossification after hip arthroplasty?
• When inserting the central and peripheral screws, you must not exceed how many Nm of torque?
• What is the role of antibiotic powder or impregnated cement, and what evidence supports its use in arthroplasty?
• What are standard postoperative precautions and rehabilitation steps to reduce DVT after arthroplasty?
• What is the most common complication with RTSA resulting in re-operation?
• Which radiographic finding is most compatible with loosening around a hip prosthesis?
• Which statement correctly describes a limitation of antibiotic-impregnated cement?
• What is the function of a cement restrictor in cemented arthroplasty, and when is it used?
• In knee arthroplasty, deflating the tourniquet before wound closure helps with intraoperative visibility and postoperative pain; deflate prior to wound closure to assess hemostasis and tissue perfusion and reduce postoperative pain. What is the primary reason for deflating the tourniquet before closure?
• Which statement most accurately describes the fixation principles for cemented versus cementless femoral stems in hip arthroplasty?
• In knee arthroplasty, which statement accurately describes cemented versus cementless bearing components?
• The Arthroflex graft in SCR is attached to the Superior Glenoid and which rotator cuff muscle?
• Which patient profile is more likely to receive a cemented hip stem due to reliable immediate stability?
• In the VIP system, which pair of legs overhang the glenoid surface?
• In knee arthroplasty, what is the typical alignment goal for the postoperative mechanical axis?
• Which strategy helps avoid edge loading in knee arthroplasty?
• Which is a common indication for primary hip arthroplasty?
• What is the website for VIP?
• Which statement correctly differentiates primary from revision arthroplasty and identifies a common indication for primary?
• What is the Lewinnek safe zone for acetabular cup positioning and why is it clinically relevant?
• Which factor most supports the use of a cementless femoral stem in hip arthroplasty?
• What are the three hallmarks of osteoarthritis seen on X-ray?
• What are common indications for revision arthroplasty in the hip?
• What are the primary indications for total hip arthroplasty in osteoarthritis?
• What is the inclination angle of a size 5 Apex Stem?
• What is the role of antibiotic-loaded bone cement in joint arthroplasty, and when is it most useful?
• Which item is typically included in preoperative verification for joint replacement?
• For hip arthroplasty, how long is pharmacologic DVT prophylaxis commonly continued?
• True or False: The Univers II and Apex stems allow for +/- 10 degrees of version correction.
• On plain radiographs, which finding is most commonly associated with implant loosening?
• What is the offset in millimeters for the Posterior Offset option of the suture cup?
• How is the 'offset' of a prosthetic hip implant defined and why is it important?
• Which of the following is a feature of the Univers II and Apex TSA Stems?
• Which statement best reflects pharmacologic prophylaxis after arthroplasty as described?
• The maximum spacer tray height is achieved with which spacer-poly combination?
• Which does not qualify for a reverse total shoulder arthroplasty (RTSA)?
• Which statement describes the most common complication of RTSA that can lead to re-operation?
• Which tool is used to verify that the Morse taper engagement occurred after placing the glenosphere with Univers Revers?
• In radiographs of a hip prosthesis, which feature suggests loosening?
• Can you skip the glenoid peripheral ream?
• Which statement best differentiates reverse total shoulder arthroplasty from anatomic total shoulder arthroplasty?
• Which statement best describes differences in indications and outcomes between hemiarthroplasty and total hip arthroplasty?
• Which is a common indication for revision arthroplasty?
• Radiographic verification of leg length and offset during hip arthroplasty is important because it:
• Patellar resurfacing in TKA involves replacing which component?
• Patellar tilt and maltracking after total knee arthroplasty are typically corrected by which approach?
• Explain the concept of gap balancing versus the measured resection technique in knee arthroplasty.
• What is the purpose of the clean/dirty transition in the operating room during arthroplasty?
• What is the typical management for aseptic loosening in hip arthroplasty?
• Which statement best describes recommended humeral reaming technique?
• Which Walch classification is posterior erosion of the glenoid cavity that causes definitive paleo-glenoid and neo-glenoid?
• Which technology is primarily used to verify alignment intraoperatively in modern arthroplasty?
• Which radiographic finding best indicates edge loading in a knee implant?
• The Univers II and Apex TSA stems share which range of inclination variability?
• All Univers Revers Glenosphere sizes are available in concentric, 3.5 inferior, and +4 offset.
• In shoulder arthroplasty, what degree is typically used for humeral retroversion?
• Infection management after hip arthroplasty, what is commonly done?
• Is it true that vaultlock glenoid has a different radius of curvature than standard glenoid components?
• What is the difference among cemented, uncemented, and hybrid acetabular components in hip arthroplasty?
• Which of the following is NOT a hallmark of osteoarthritis seen on X-ray?
• What is the purpose of a trial reduction in arthroplasty?
• Which instrument ensures proper Morse taper engagement of the glenosphere?
• What is the role of tranexamic acid in arthroplasty, and what are common routes of administration?
• What are the main differences between cruciate-retaining (CR) and posterior-stabilized (PS) knee implants?
• What is the current recommended arm position in abduction for SCR with a tension-graft?
• Which statement best defines Wolff's Law?
• Why is irrigation and debridement essential in suspected periprosthetic joint infection, and what does a two-stage revision involve?
• Which nerves are at risk during the posterior approach to total hip arthroplasty and how can injuries be mitigated?
• In a posterior-stabilized knee design, what is substituted to achieve stability?
• Which statement best differentiates anatomic total shoulder arthroplasty from reverse total shoulder arthroplasty?
• Which measures are included in the arthroplasty infection prevention bundle?
• Metal-on-metal bearings raise concerns about which systemic issue?
• For knee arthroplasty, typical prophylaxis duration is?
• Which surfaces are the Univers CA Heads designed to articulate with?
• How does patellofemoral joint replacement differ from total knee replacement in indications and technique?
• Is Arthroflex frozen?
• Which form of arthritis is most common?
• Megaprosthesis is typically used to replace what?
• Which statement best describes the impact of coronal plane malalignment on knee arthroplasty longevity?
• Stemless shoulder prostheses are favored when there is good metaphyseal fixation because of what benefit?
• How much press fit does the Univers Revers Stem provide compared with the broach?
• What is the significance of cement mantle thickness in cemented arthroplasty?
• What is wear debris and why is it clinically significant in hip/knee arthroplasty?
• The humeral head implant for Univers II and glenosphere for Univers Revers are composed of which material?
• Which nerve innervates the deltoid?
• Which sterilization methods are typically used for implants versus instruments, and why do they differ?
• In SCR, Arthroflex is attached to which two structures?
• What is the standard order for instrument counts in sterile technique?
• Which statement about glenoid bone stock in shoulder arthroplasty is true?
• The CA Heads articulate with which two surfaces?
• Are all Univers Revers Glenosphere sizes available in concentric, 3.5 inferior, and +4 offset?
• Why is uniform cement mantle distribution important around a femoral stem?
• Which two anatomical structures are connected by the Arthroflex component used in SCR?
• Which sequence best outlines maintaining a sterile field during arthroplasty?
• During hip arthroplasty trialing, which outcome is primarily assessed to ensure a balanced and stable joint?
• Which factor most influences early weight-bearing decisions after cemented arthroplasty?
• To prep the humeral canal for the Arthrex Shoulder Fracture System how do you ream?
• Which statement correctly identifies the most common form of arthritis?
• Tranexamic acid dosing strategies in arthroplasty can include which of the following?
• What is the main benefit of robotic-assisted systems in arthroplasty?
• What nerve innervates the Deltoid?
• What is the main difference between a megaprosthesis and a standard arthroplasty?
• Which step is not part of the trial reduction process?
• Which of the following constitutes standard sterile technique measures to prevent implant contamination in the operating room?
• Indications and contraindications for using cementless acetabular cups in the elderly?
• How should modular neck components be evaluated for corrosion and fracture risk in hip arthroplasty?
• What are typical postoperative rehabilitation milestones after total knee arthroplasty?
• What is the turnaround time to get a SD callibrator?
• During explanting Univers II or Apex, is it necessary to remove both inferior and superior screws to disengage from the stem?
• Which is the most common form of arthritis?
• What is a potential disadvantage of a very thick cement mantle?
• Describe the clinical relevance of cement viscosity in cemented arthroplasty and its effect on cement interdigitation.
• What is the typical purpose of an antibiotic spacer in a two-stage revision for infected arthroplasty?
• What is the correct sequence of steps for cementing a femoral stem in a cemented hip arthroplasty?
• Which vascular structure is found at the deltopectoral interval?
• Which device has a neck shaft angle range of 135-155 degrees?
• What is metallosis in hip arthroplasty and when does it prompt revision?
• RTSA stands for which procedure?
• What is the recommended postoperative wound care approach and signs of superficial infection?
• Which statement best describes sterilization methods for implants versus instruments?
• What is the initial step in troubleshooting a dislocation after hip arthroplasty in the operating room?
• For a periprosthetic fracture, what is the typical management?
• Which statement best reflects the Wolff's Law concept?
• What are common risk factors for periprosthetic joint infection?
• Which of the following describes trunnionosis and its contributing factors?
• Why is the posterolateral approach in hip surgery associated with higher dislocation risk, and how can risk be mitigated?
• Describe the standard steps of instrument and implant counting before and after arthroplasty surgery and explain why it is critical.
• What is the most common form of arthritis?
• Which statement best describes the steps to maintain a sterile field during arthroplasty?