Arthroplasty IOT Exam Questions and Answers 100% Correct
All of the following are indications for rTSA, EXCEPT: - ANSWER-Small, reparable RC tear
What is the neck-shaft angle range for the Univers II and Apex - ANSWER-125-140º
What are the 3 hallmarks of osteoarthritis seen on X-ray? - ANSWER-Joint space narrowing, anterior escape, osteophytes
What is the average anatomic neck-shaft angle of the humerus? - ANSWER-132.5º
What is the average humeral retroversion that is reproduced during shoulder arthroplasty? - ANSWER-30º
What is the most common form of arthritis? - ANSWER-Osteoarthritis
What group of prior surgeries is the most common cause of Capsulorraphy Arthropathy? - ANSWER-GH Joint Stabilization
What nerve innervates the deltoid muscle? - ANSWER-Axillary nerve
Which muscle/tendon can be incised (1-1.5 cm) to help exposure during shoulder arthroplasty? - ANSWER-Pec. major
What vascular structure is found at the deltopectoral interval? - ANSWER-Cephalic vein
What is the most common glenoid wear pattern in shoulder osteoarthritis? - 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? - ANSWER-Use the glenosphere forceps with a linear pull
What is the most common complication with rTSA resulting in re-operation/revision? - ANSWER-Scapular notching
What is the insertion site for the subscapularis? - ANSWER-Lesser tuberosity
The offset of the heads in the Univers II Total Shoulder is? - ANSWER-3.5 mm
Which of the following is a key feature of the Univers II and Apex TSA systems? - ANSWER-125-140º inclination variation
The maximum space tray and polyethylene combination height to be used in a Univers Revers is...? - ANSWER-18
All of the following statements are true regarding rTSA, EXCEPT: - ANSWER-The glenoid peripheral is an optional step and can be skipped
All of the following are hallmarks of rotator cuff arthropathy except: - ANSWER-
Increased acromio-humeral distance
What is the most common complication in rTSA? - ANSWER-Scapular notching
All of the following are true for ArthroFlex dermal allografts, EXCEPT: - ANSWER-Must be kept frozen until use
What is the thickness of the recommended AFLEX for SCR? - ANSWER-3.0 mm
All of the following are requirements for SCR, EXCEPT: - ANSWER-Irreparable subscapularis tear
All of the following are indications for rTSA, EXCEPT: - ANSWER-Small, reparable RC tear
What is the neck-shaft angle range for the Univers II and Apex - ANSWER-125-140º
What are the 3 hallmarks of osteoarthritis seen on X-ray? - ANSWER-Joint space narrowing, anterior escape, osteophytes
What is the average anatomic neck-shaft angle of the humerus? - ANSWER-132.5º
What is the average humeral retroversion that is reproduced during shoulder arthroplasty? - ANSWER-30º
What is the most common form of arthritis? - ANSWER-Osteoarthritis
What group of prior surgeries is the most common cause of Capsulorraphy Arthropathy? - ANSWER-GH Joint Stabilization
What nerve innervates the deltoid muscle? - ANSWER-Axillary nerve
Which muscle/tendon can be incised (1-1.5 cm) to help exposure during shoulder arthroplasty? - ANSWER-Pec. major
What vascular structure is found at the deltopectoral interval? - ANSWER-Cephalic vein
What is the most common glenoid wear pattern in shoulder osteoarthritis? - 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? - ANSWER-Use the glenosphere forceps with a linear pull
What is the most common complication with rTSA resulting in re-operation/revision? - ANSWER-Scapular notching
What is the insertion site for the subscapularis? - ANSWER-Lesser tuberosity
The offset of the heads in the Univers II Total Shoulder is? - ANSWER-3.5 mm
Which of the following is a key feature of the Univers II and Apex TSA systems? - ANSWER-125-140º inclination variation
The maximum space tray and polyethylene combination height to be used in a Univers Revers is...? - ANSWER-18
All of the following statements are true regarding rTSA, EXCEPT: - ANSWER-The glenoid peripheral is an optional step and can be skipped
All of the following are hallmarks of rotator cuff arthropathy except: - ANSWER-
Increased acromio-humeral distance
What is the most common complication in rTSA? - ANSWER-Scapular notching
All of the following are true for ArthroFlex dermal allografts, EXCEPT: - ANSWER-Must be kept frozen until use
What is the thickness of the recommended AFLEX for SCR? - ANSWER-3.0 mm
All of the following are requirements for SCR, EXCEPT: - ANSWER-Irreparable subscapularis tear
