Arthroplasty IOT Training- Questions &
Answers
What is the inclination angle of a size 5 Apex Stem ? Correct Ans-132.5
Which are true regarding the inclination angle and scapular notching? Correct Ans-155 cut
angles led to greater amounts of scapular notching
What are the three hallmarks of osteoarthritis seen on X-ray? Correct Ans-Osteophytes,
Subchondral Cysts, Joint space narrowing
What is the average Humeral Retroversion reproduced in Arthroplasty? Correct Ans-30
degrees
Which is true when comparing standard glenoid components with vaultlock?
1- The Radius of curvature are different for vaultlock
2-The Standard wire goes through central peg
3- Trial components for standard glenoid and vaultlock are the same
4-All of the above Correct Ans-1- The Radius of curvature are different for vaultlock
True of False, The univers II and Apex stems allow for + /- 10 degrees of version correction
Correct Ans-True
, 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
Correct Ans-False
The offset of heads in the Univers II Total Shoulder is ? Correct Ans-3.5 mm
Univers CA Heads are designed to articulate with what 2 surfaces? Correct Ans-Glenoid and
Acromion
What nerve innervates the Deltoid? Correct Ans-Axillary
The average anatomic neck-shaft angle of the humerus is? Correct Ans-132.5
What vascular structure is found at deltopectoral interval? Correct Ans-Cephalic Vein
The humeral head implant for Univers II and Glenosphere for Univers Revers are composed of
what material? Correct Ans-Cobalt Chrome
True of False, When reaming the humerus, arthrex recommends that the surgeon ream until
you get "cortical chatter" or cortical fit is obtained Correct Ans-False
Answers
What is the inclination angle of a size 5 Apex Stem ? Correct Ans-132.5
Which are true regarding the inclination angle and scapular notching? Correct Ans-155 cut
angles led to greater amounts of scapular notching
What are the three hallmarks of osteoarthritis seen on X-ray? Correct Ans-Osteophytes,
Subchondral Cysts, Joint space narrowing
What is the average Humeral Retroversion reproduced in Arthroplasty? Correct Ans-30
degrees
Which is true when comparing standard glenoid components with vaultlock?
1- The Radius of curvature are different for vaultlock
2-The Standard wire goes through central peg
3- Trial components for standard glenoid and vaultlock are the same
4-All of the above Correct Ans-1- The Radius of curvature are different for vaultlock
True of False, The univers II and Apex stems allow for + /- 10 degrees of version correction
Correct Ans-True
, 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
Correct Ans-False
The offset of heads in the Univers II Total Shoulder is ? Correct Ans-3.5 mm
Univers CA Heads are designed to articulate with what 2 surfaces? Correct Ans-Glenoid and
Acromion
What nerve innervates the Deltoid? Correct Ans-Axillary
The average anatomic neck-shaft angle of the humerus is? Correct Ans-132.5
What vascular structure is found at deltopectoral interval? Correct Ans-Cephalic Vein
The humeral head implant for Univers II and Glenosphere for Univers Revers are composed of
what material? Correct Ans-Cobalt Chrome
True of False, When reaming the humerus, arthrex recommends that the surgeon ream until
you get "cortical chatter" or cortical fit is obtained Correct Ans-False
