DEX IOT MODULES - QUESTIONS AND VERIFIED
ANSWERS
Which outcome results from using locking screws to make plate or screw constructs?
Increased flexibility
Increased rigidity
Indestructibility
Decreased resistance to torsion - Answers - Increased rigidity
Which size drill bit should be used when drilling a standard pilot hole for a static, non-
locking screw?
The drill should match the outer diameter of the screw
The drill should match the inner diameter of the screw
The drill should be 1.5 mm smaller than the outer diameter of the screw
The drill should be 30% larger than the inner diameter of the screw - Answers - The drill
should match the inner diameter of the screw
Which size drill bit is used on the near cortex when completing a lag screw technique?
The drill should match the outer diameter of the screw
The drill should match the inner diameter of the screw
The drill should be 1.5 mm smaller than the outer diameter of the screw
The drill should be 30% larger than the inner diameter of the screw - Answers - The drill
should match the outer diameter of the screw
How is a comminuted fracture described?
Singular fracture line
Multiple fracture fragments
Spiral fracture lines
Fracture that includes the joint surface - Answers - Multiple fracture fragments
What shearing force must be applied to a bone in order to be classified as a spiral
fracture?
Compression
Bending
Torsion
Blunt - Answers - Torsion
What is the longest process in the secondary healing pathway?
Hematoma formation
Hard callus
Soft Callus
Remodeling - Answers - Remodeling
,Which medical procedure restores a bones length, alignment, and rotation following a
fracture?
Splinting
Casting
Surgery
Traction - Answers - Surgery (ORIF)
What percent of strain will cause a fracture to heal via the primary healing pathway?
<2%
<5%
<7%
<9% - Answers - <2%
Which open reduction internal fixation plating technique must overcome axial loading,
bending, and torsion?
Compression plating
Neutralization plating
Bridge plating
Buttress plating - Answers - Neutralization plating
When utilizing an intramedullary nail, what is significance of the far segment of the
fracture?
The end point of the nail will be brought in line with the canal
The start point of the nail will be brought line with the canal
The end point of the nail will determine healing
The start point of the nail will alter the far segment - Answers - The start point of the nail
will be brought line with the canal
Which plane divides the body into right and left halves? - Answers - Sagittal
Which body part is distal to the elbow? - Answers - Wrist
Which term refers to being closer to the main mass of the body? - Answers - Proximal
What position entails a patient lying on their stomach on the operative table? - Answers
- Prone
Which type of joint has the most mobility? - Answers - Synovial
What defines a tendon? - Answers - Attachment from muscle to bone
When reviewing a clinical study, which level of evidence is most reliable? - Answers -
One
Which type of study looks back at pre-existing data? - Answers - Retrospective
, What happens to the toes when the ankle is dorsiflexed? - Answers - The toes get
closer to the shin
How many muscles make up the rotator cuff? - Answers - 4!
Where does the Achilles tendon typically rupture? - Answers - 2-3 cm above the
insertion of the Achilles tendon
(2-6 cm in module)
What is the name of the diagnostic test used when an Achilles rupture is suspected? -
Answers - Thompson Test
Which tendon transfer is the first option for Achilles reinforcement? - Answers - Flexor
hallucis longus
Which nerve is most at risk for injury when a surgeon performs either an open or
percutaneous Achilles tendon repair? - Answers - Sural nerve
According to the surgical technique guide, after passing all the SutureTape through the
proximal Achilles tendon with the PARS jig and removing the jig, how should the
surgeon test the proximal suture construct to ensure the sutures hold in the tendon? -
Answers - Loading each end of the SutureTape ten times to ensure the creep is
removed from the construct
What is the recommended angle of SwiveLock anchor insertion into the calcaneus for
the Midsubstance Achilles SpeedBridge? - Answers - 45 degrees from the centerline of
the Achilles in the coronal plane and 45 degrees in the sagittal plane
After passing all of the sutures through the PARS Achilles Jig, what color suture will be
crossed and locked? - Answers - Blue and white SutureTape (#2)
What size Swivelock anchors are used to secure the sutures in the PARS Achilles
Midsubstance Speedbridge implant? - Answers - 3.9 mm SwiveLock anchors
What size are the Knotless FiberTak DX Anchors found in the FiberTak Achilles
SpeedBridge Repair Implant System? - Answers - 2.6 mm
What is the position of the drill guide when drilling the distal row of the FiberTak Achilles
Speedbridge Repair Implant System? - Answers - Parallel to the bottom of the foot
What is the significance of the beveled edge on the FiberTak guide of the FiberTak
Achilles SpeedBridge Repair Implant System? - Answers - Help place the anchors in
the correct plane
ANSWERS
Which outcome results from using locking screws to make plate or screw constructs?
Increased flexibility
Increased rigidity
Indestructibility
Decreased resistance to torsion - Answers - Increased rigidity
Which size drill bit should be used when drilling a standard pilot hole for a static, non-
locking screw?
The drill should match the outer diameter of the screw
The drill should match the inner diameter of the screw
The drill should be 1.5 mm smaller than the outer diameter of the screw
The drill should be 30% larger than the inner diameter of the screw - Answers - The drill
should match the inner diameter of the screw
Which size drill bit is used on the near cortex when completing a lag screw technique?
The drill should match the outer diameter of the screw
The drill should match the inner diameter of the screw
The drill should be 1.5 mm smaller than the outer diameter of the screw
The drill should be 30% larger than the inner diameter of the screw - Answers - The drill
should match the outer diameter of the screw
How is a comminuted fracture described?
Singular fracture line
Multiple fracture fragments
Spiral fracture lines
Fracture that includes the joint surface - Answers - Multiple fracture fragments
What shearing force must be applied to a bone in order to be classified as a spiral
fracture?
Compression
Bending
Torsion
Blunt - Answers - Torsion
What is the longest process in the secondary healing pathway?
Hematoma formation
Hard callus
Soft Callus
Remodeling - Answers - Remodeling
,Which medical procedure restores a bones length, alignment, and rotation following a
fracture?
Splinting
Casting
Surgery
Traction - Answers - Surgery (ORIF)
What percent of strain will cause a fracture to heal via the primary healing pathway?
<2%
<5%
<7%
<9% - Answers - <2%
Which open reduction internal fixation plating technique must overcome axial loading,
bending, and torsion?
Compression plating
Neutralization plating
Bridge plating
Buttress plating - Answers - Neutralization plating
When utilizing an intramedullary nail, what is significance of the far segment of the
fracture?
The end point of the nail will be brought in line with the canal
The start point of the nail will be brought line with the canal
The end point of the nail will determine healing
The start point of the nail will alter the far segment - Answers - The start point of the nail
will be brought line with the canal
Which plane divides the body into right and left halves? - Answers - Sagittal
Which body part is distal to the elbow? - Answers - Wrist
Which term refers to being closer to the main mass of the body? - Answers - Proximal
What position entails a patient lying on their stomach on the operative table? - Answers
- Prone
Which type of joint has the most mobility? - Answers - Synovial
What defines a tendon? - Answers - Attachment from muscle to bone
When reviewing a clinical study, which level of evidence is most reliable? - Answers -
One
Which type of study looks back at pre-existing data? - Answers - Retrospective
, What happens to the toes when the ankle is dorsiflexed? - Answers - The toes get
closer to the shin
How many muscles make up the rotator cuff? - Answers - 4!
Where does the Achilles tendon typically rupture? - Answers - 2-3 cm above the
insertion of the Achilles tendon
(2-6 cm in module)
What is the name of the diagnostic test used when an Achilles rupture is suspected? -
Answers - Thompson Test
Which tendon transfer is the first option for Achilles reinforcement? - Answers - Flexor
hallucis longus
Which nerve is most at risk for injury when a surgeon performs either an open or
percutaneous Achilles tendon repair? - Answers - Sural nerve
According to the surgical technique guide, after passing all the SutureTape through the
proximal Achilles tendon with the PARS jig and removing the jig, how should the
surgeon test the proximal suture construct to ensure the sutures hold in the tendon? -
Answers - Loading each end of the SutureTape ten times to ensure the creep is
removed from the construct
What is the recommended angle of SwiveLock anchor insertion into the calcaneus for
the Midsubstance Achilles SpeedBridge? - Answers - 45 degrees from the centerline of
the Achilles in the coronal plane and 45 degrees in the sagittal plane
After passing all of the sutures through the PARS Achilles Jig, what color suture will be
crossed and locked? - Answers - Blue and white SutureTape (#2)
What size Swivelock anchors are used to secure the sutures in the PARS Achilles
Midsubstance Speedbridge implant? - Answers - 3.9 mm SwiveLock anchors
What size are the Knotless FiberTak DX Anchors found in the FiberTak Achilles
SpeedBridge Repair Implant System? - Answers - 2.6 mm
What is the position of the drill guide when drilling the distal row of the FiberTak Achilles
Speedbridge Repair Implant System? - Answers - Parallel to the bottom of the foot
What is the significance of the beveled edge on the FiberTak guide of the FiberTak
Achilles SpeedBridge Repair Implant System? - Answers - Help place the anchors in
the correct plane
