ARTHROPLASTY IOT EXAM UPDATED
QUESTIONS AND CORRECT ANSWERS.
All of the following are indications for rTSA, EXCEPT: - ANS Small, reparable RC tear
What is the neck-shaft angle range for the Univers II and Apex - ANS 125-140º
What are the 3 hallmarks of osteoarthritis seen on X-ray? - ANS Joint space narrowing,
anterior escape, osteophytes
What is the average anatomic neck-shaft angle of the humerus? - ANS 132.5º
What is the average humeral retroversion that is reproduced during shoulder arthroplasty? -
ANS 30º
What is the most common form of arthritis? - ANS Osteoarthritis
What group of prior surgeries is the most common cause of Capsulorraphy Arthropathy? -
ANS GH Joint Stabilization
What nerve innervates the deltoid muscle? - ANS Axillary nerve
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Which muscle/tendon can be incised (1-1.5 cm) to help exposure during shoulder arthroplasty?
- ANS Pec. major
What vascular structure is found at the deltopectoral interval? - ANS Cephalic vein
What is the most common glenoid wear pattern in shoulder osteoarthritis? -
ANS Retroversion/posterior wear
After the glenosphere is inserted into the Univers Revers Universal Glenoid, what is the
definitive way to verify morse taper engagement? - ANS Use the glenosphere forceps with a
linear pull
What is the most common complication with rTSA resulting in re-operation/revision? -
ANS Scapular notching
What is the insertion site for the subscapularis? - ANS Lesser tuberosity
The offset of the heads in the Univers II Total Shoulder is? - ANS 3.5 mm
Which of the following is a key feature of the Univers II and Apex TSA systems? - ANS 125-
140º inclination variation
The maximum space tray and polyethylene combination height to be used in a Univers Revers
is...? - ANS 18
All of the following statements are true regarding rTSA, EXCEPT: - ANS The glenoid peripheral
is an optional step and can be skipped
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
QUESTIONS AND CORRECT ANSWERS.
All of the following are indications for rTSA, EXCEPT: - ANS Small, reparable RC tear
What is the neck-shaft angle range for the Univers II and Apex - ANS 125-140º
What are the 3 hallmarks of osteoarthritis seen on X-ray? - ANS Joint space narrowing,
anterior escape, osteophytes
What is the average anatomic neck-shaft angle of the humerus? - ANS 132.5º
What is the average humeral retroversion that is reproduced during shoulder arthroplasty? -
ANS 30º
What is the most common form of arthritis? - ANS Osteoarthritis
What group of prior surgeries is the most common cause of Capsulorraphy Arthropathy? -
ANS GH Joint Stabilization
What nerve innervates the deltoid muscle? - ANS Axillary nerve
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Which muscle/tendon can be incised (1-1.5 cm) to help exposure during shoulder arthroplasty?
- ANS Pec. major
What vascular structure is found at the deltopectoral interval? - ANS Cephalic vein
What is the most common glenoid wear pattern in shoulder osteoarthritis? -
ANS Retroversion/posterior wear
After the glenosphere is inserted into the Univers Revers Universal Glenoid, what is the
definitive way to verify morse taper engagement? - ANS Use the glenosphere forceps with a
linear pull
What is the most common complication with rTSA resulting in re-operation/revision? -
ANS Scapular notching
What is the insertion site for the subscapularis? - ANS Lesser tuberosity
The offset of the heads in the Univers II Total Shoulder is? - ANS 3.5 mm
Which of the following is a key feature of the Univers II and Apex TSA systems? - ANS 125-
140º inclination variation
The maximum space tray and polyethylene combination height to be used in a Univers Revers
is...? - ANS 18
All of the following statements are true regarding rTSA, EXCEPT: - ANS The glenoid peripheral
is an optional step and can be skipped
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
