ARTHREX DEX 5 DAY REAL EXAM QUESTIONS AND
CORRECT ANSWERS//GRADED A+
When the surgeon is performing a DIP joint fusion and has inserted the double ended kwire to the
desired depth in the middle phalanx, how many millimeters should be subtracted from the measured
length of the kwire to account for countersinking the screw head and compression at the fusion site?
1mm
2mm
4mm
None, it is not necessary to account for compression or countersinking the screw head - answer-4mm
Why is a solid 1.5mm Hex Driver included with the compression FT Screw instrumentation?
To aid in screw removal
To increase torque when inserting the solof compression FT screws
To help countersink screws
To make the set look cool - answer-To aid in screw removal
Which of the following is NOT a feature or a benefit of the 3.5mm mini compression FT screw?
Variable stepped thread pitch
Improved torque transmission through a hexaglobe recess
Conical shaped outer diameter to gain final compression
Headless
Cannulated - answer-Conical shaped outer diameter to gain final compression
What are the screw lengths available in the 7.0,, X-large compression FT screw system- (AR-8750S)?
20-50mm by 2mm increments, 55-90mm by 5 mm increments
35-120mm by 2mm increments
35-120mm by 5mm increments
35-140mm by 5mm increments - answer-35-120mm by 5mm increments
,True or False: one of the ways the compression FT screws achieve compression is by having a large pitch
on the leading end and smaller pitch on the trailing end - answer-true
Which of the following is NOT a feature or benefit of the 2.5mm micro compression FT screw?
Variable stepped thread pitch
Improved torque transmission through a hexalobe recess
Self-tapping flutes
Headless
Cannulated - answer-Improved torque transmission through a hexalobe recess
There are two main types of headless compression screws available on the market. One is a "herbert"
style screw that has threads at the leading end, a smooth shaft, and threads at the trailing end or head
of the screw. The other type is similar to the Arthrex compression FT screws that is fully threaded with
variable thread pitch to gain compression. True or False. The main advantage to using a fully threaded
screw with variable pitch is to gain purchase along the entire length of the screw rather than depending
on the head of a partially threaded screw to gain and maintain purchase in just the near cortex -
answerTrue
What are the lengths of the 2.5 micro compression FT screws?
8-14mm by 2mm increments, then 16-34mm by 1mm increments
8-14mm by 2mm increments, then 16-30mm by 1mm increments
8-14mm by 1mm increments, then 16-50mm by 2mm increments
8-14mm by 1mm increments, then 16-34mm by 2mm increments - answer-8-14mm by 1mm
increments, then 16-50mm by 2mm increments
Besides the actual size of the larger compression FT screws, what is the key design difference between
the 5.0 and 7.0 compression FT screws compared to the smaller compression FT screws? Variable
threaded pitch
Cannulated
Comes with a profile drill
Are tapered on the outer diameter
Headless design - answer-Are tapered on the outer diameter
,True or False: a 3.5 mini compression FT screws schieves a statically significant higher maximum pushout
when compared to an acumed acutrak 2 mini screw and a synthes 3.0mm Hebert screw. This may lead
to a better long term stability and less likely screw backout/ - answer-false
When using a 3.5 mm DX SwiveLock® SL anchor in the metacarpal head for reconstruction of the thumb
UCL using SutureTape and a palmaris longus autograft what size drill should be used?
3.2 mm
3.0 mm
3.5 mm
3.7 mm - answer-3.5 mm
Before placing the second SwiveLock® anchor for a thumb UCL IB repair, the thumb should be placed in:
Neutral
60 degrees of extension
30 degrees of flexion
60 degrees of flexion - answer-30 degrees of flexion
What size graft should be used for a thumb UCL reconstruction when using the 3.5 DX SwiveLock® SL
anchor?
4 mm
2 mm
5 mm
3.5 mm - answer-2 mm
True or False: When small bone is encountered on the proximal phalanx when performing a thumb UCL
repair, a Mini PushLock® anchor may be substituted for a 3.5 SwiveLock® anchor. - answer-True
The anchor position in the base of the proximal phalanx for a thumb UCL repair/reconstruction should
be placed?
, Slightly more volar than midline
Slightly more dorsal than midline
Central
On the articular surface - answer-Slightly more volar than midline
Which of the following statements regarding the thumb is CORRECT?
In MCP flexion the proper UCL resists valgus force
In MCP flexion the proper UCL resists varus force
In MCP extension the accessory UCL resists varus force
In MCP flexion the accessory UCL resists valgus force - answer-In MCP flexion the proper UCL resists
valgus force
What is the length of the anchor body and fork-tipped eyelet in the 3.5 mm DX SwiveLock® SL anchor?
4 mm
4.5 mm
4 inches
8.5 mm - answer-8.5 mm
True or False: Use of fluoroscopy should be recommended when placing the 3.2mm spade-tip pin in the
calcaneus for an FHL tendon transfer. - answer-true
What tension-slide kit sizes should you have available for a surgeon performing an FDL transfer?
4.5 mm & 5.5 mm
3.75 mm & 4.5 mm
4.75 mm & 5.5 mm
3.5 mm & 5.5 - answer-4.75mm & 5.5 mm
What are the two sizes of the BioComposite Tenodesis Screw on Driver with #2 FiberWire® in the FHL
Implant System?
6.0 mm and 7.0 mm
CORRECT ANSWERS//GRADED A+
When the surgeon is performing a DIP joint fusion and has inserted the double ended kwire to the
desired depth in the middle phalanx, how many millimeters should be subtracted from the measured
length of the kwire to account for countersinking the screw head and compression at the fusion site?
1mm
2mm
4mm
None, it is not necessary to account for compression or countersinking the screw head - answer-4mm
Why is a solid 1.5mm Hex Driver included with the compression FT Screw instrumentation?
To aid in screw removal
To increase torque when inserting the solof compression FT screws
To help countersink screws
To make the set look cool - answer-To aid in screw removal
Which of the following is NOT a feature or a benefit of the 3.5mm mini compression FT screw?
Variable stepped thread pitch
Improved torque transmission through a hexaglobe recess
Conical shaped outer diameter to gain final compression
Headless
Cannulated - answer-Conical shaped outer diameter to gain final compression
What are the screw lengths available in the 7.0,, X-large compression FT screw system- (AR-8750S)?
20-50mm by 2mm increments, 55-90mm by 5 mm increments
35-120mm by 2mm increments
35-120mm by 5mm increments
35-140mm by 5mm increments - answer-35-120mm by 5mm increments
,True or False: one of the ways the compression FT screws achieve compression is by having a large pitch
on the leading end and smaller pitch on the trailing end - answer-true
Which of the following is NOT a feature or benefit of the 2.5mm micro compression FT screw?
Variable stepped thread pitch
Improved torque transmission through a hexalobe recess
Self-tapping flutes
Headless
Cannulated - answer-Improved torque transmission through a hexalobe recess
There are two main types of headless compression screws available on the market. One is a "herbert"
style screw that has threads at the leading end, a smooth shaft, and threads at the trailing end or head
of the screw. The other type is similar to the Arthrex compression FT screws that is fully threaded with
variable thread pitch to gain compression. True or False. The main advantage to using a fully threaded
screw with variable pitch is to gain purchase along the entire length of the screw rather than depending
on the head of a partially threaded screw to gain and maintain purchase in just the near cortex -
answerTrue
What are the lengths of the 2.5 micro compression FT screws?
8-14mm by 2mm increments, then 16-34mm by 1mm increments
8-14mm by 2mm increments, then 16-30mm by 1mm increments
8-14mm by 1mm increments, then 16-50mm by 2mm increments
8-14mm by 1mm increments, then 16-34mm by 2mm increments - answer-8-14mm by 1mm
increments, then 16-50mm by 2mm increments
Besides the actual size of the larger compression FT screws, what is the key design difference between
the 5.0 and 7.0 compression FT screws compared to the smaller compression FT screws? Variable
threaded pitch
Cannulated
Comes with a profile drill
Are tapered on the outer diameter
Headless design - answer-Are tapered on the outer diameter
,True or False: a 3.5 mini compression FT screws schieves a statically significant higher maximum pushout
when compared to an acumed acutrak 2 mini screw and a synthes 3.0mm Hebert screw. This may lead
to a better long term stability and less likely screw backout/ - answer-false
When using a 3.5 mm DX SwiveLock® SL anchor in the metacarpal head for reconstruction of the thumb
UCL using SutureTape and a palmaris longus autograft what size drill should be used?
3.2 mm
3.0 mm
3.5 mm
3.7 mm - answer-3.5 mm
Before placing the second SwiveLock® anchor for a thumb UCL IB repair, the thumb should be placed in:
Neutral
60 degrees of extension
30 degrees of flexion
60 degrees of flexion - answer-30 degrees of flexion
What size graft should be used for a thumb UCL reconstruction when using the 3.5 DX SwiveLock® SL
anchor?
4 mm
2 mm
5 mm
3.5 mm - answer-2 mm
True or False: When small bone is encountered on the proximal phalanx when performing a thumb UCL
repair, a Mini PushLock® anchor may be substituted for a 3.5 SwiveLock® anchor. - answer-True
The anchor position in the base of the proximal phalanx for a thumb UCL repair/reconstruction should
be placed?
, Slightly more volar than midline
Slightly more dorsal than midline
Central
On the articular surface - answer-Slightly more volar than midline
Which of the following statements regarding the thumb is CORRECT?
In MCP flexion the proper UCL resists valgus force
In MCP flexion the proper UCL resists varus force
In MCP extension the accessory UCL resists varus force
In MCP flexion the accessory UCL resists valgus force - answer-In MCP flexion the proper UCL resists
valgus force
What is the length of the anchor body and fork-tipped eyelet in the 3.5 mm DX SwiveLock® SL anchor?
4 mm
4.5 mm
4 inches
8.5 mm - answer-8.5 mm
True or False: Use of fluoroscopy should be recommended when placing the 3.2mm spade-tip pin in the
calcaneus for an FHL tendon transfer. - answer-true
What tension-slide kit sizes should you have available for a surgeon performing an FDL transfer?
4.5 mm & 5.5 mm
3.75 mm & 4.5 mm
4.75 mm & 5.5 mm
3.5 mm & 5.5 - answer-4.75mm & 5.5 mm
What are the two sizes of the BioComposite Tenodesis Screw on Driver with #2 FiberWire® in the FHL
Implant System?
6.0 mm and 7.0 mm
