DEX IOT Study Exam Questions and
Answers 100% Solved | Graded A+
What fracture types is the TightRope XP indicated for? - ✔✔Weber B & C
What are the dimensions of the TightRope XP's....
1. Oblong button
2. Round button - ✔✔1. Oblong - 3.5 x 13 mm
2. Round - 6.5 mm
What is the mechanism of injury for syndesmotic injuries? - ✔✔Forced
external rotation of the foot
What is the structure associated with the AiTFL on the Tibia? - ✔✔Chaput's
Tubercle
What is the structure associated with the AiTFL on the Fibula? -
✔✔Wagstaffe's tubercle
What is the shelf life of Amnion Matrix? - ✔✔5 years
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What is the shelf life of Amnion Viscous? - ✔✔2 years
What is the volume range for autologous fluid that can be processed in the
Angel? - ✔✔40 cc - 180 cc
What are the storage requirements for ArthroCell?
1. Storage temperature
2. Shelf Life - ✔✔1. -65° C (must be used within 4 hours after thawing)
2. 2-year shelf life
What is ArthroFlex and what is its primary function? - ✔✔Acellular dermal
matrix
Functions as a scaffold of collagen, elastin, and growth factors
MatraCell process for sterilization removes ____ % of DNA - ✔✔>97% of
DNA removed
What are the storage requirements for ArthroFlex?
1. Storage temperature
2. Shelf life - ✔✔1. Room temp; ready-to-use
2
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,2. 3-year shelf-life
What are the storage requirements for BioCartilage?
1. Storage temperature
2. Shelf life - ✔✔1. Room temp storage
2. 5-year shelf life
What are the storage requirements
for Cartiform?
1. Storage temperature
2. Shelf life - ✔✔
How much spacing is between the TightRope XP holes of the Buttress
plate? What is the hole spacing of a standard plate? - ✔✔Buttress plate -
22 mm
Standard plate - 16 mm
How many degrees of angulation does the Buttress Plate allow for
anatomic placement of the TightRope XP implants? - ✔✔35° of angulation
How thick is the TightRope Buttress Plate? - ✔✔1.5 mm thick
3
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, How should the 2-Hole Buttress Plate be positioned on the lateral fibula? -
✔✔Distal hole should be centered 1.5-2 cm proximal to the tibial plafond
How big are the TightRope XP gudiewires? - ✔✔0.049 in / 1.2 mm
How many cycles does the TightRope persist compared to a 4.5 Synthes
screw? - ✔✔TR: 27,000 cycles to failure
4.5 screw: 11,000 cycles to failure
How many distal screws can be placed through the FibuLock? - ✔✔3
screws: 2 lateral-medial, 1 anterior-posterior
Where should the incision be made for the FibuLock entry point? - ✔✔1 cm
distal to the tip of the fibula
To what diameters do the 3.0 and 3.8 mm FibuLock nails expand to after
talon actuation - ✔✔3.0 nail --> 5 mm
3.8 nail --> 6 mm
What does the Offset guide do in the FibuLock instrument set? - ✔✔Allows
for drilling of guide wires 2.5 or 5 mm from an initial K-wire position
What is Tom, Dick, ANd Harry? - ✔✔Mnemonic for remembering the
location of tissue on the medial side of the ankle from anterior to posterior
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Answers 100% Solved | Graded A+
What fracture types is the TightRope XP indicated for? - ✔✔Weber B & C
What are the dimensions of the TightRope XP's....
1. Oblong button
2. Round button - ✔✔1. Oblong - 3.5 x 13 mm
2. Round - 6.5 mm
What is the mechanism of injury for syndesmotic injuries? - ✔✔Forced
external rotation of the foot
What is the structure associated with the AiTFL on the Tibia? - ✔✔Chaput's
Tubercle
What is the structure associated with the AiTFL on the Fibula? -
✔✔Wagstaffe's tubercle
What is the shelf life of Amnion Matrix? - ✔✔5 years
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What is the shelf life of Amnion Viscous? - ✔✔2 years
What is the volume range for autologous fluid that can be processed in the
Angel? - ✔✔40 cc - 180 cc
What are the storage requirements for ArthroCell?
1. Storage temperature
2. Shelf Life - ✔✔1. -65° C (must be used within 4 hours after thawing)
2. 2-year shelf life
What is ArthroFlex and what is its primary function? - ✔✔Acellular dermal
matrix
Functions as a scaffold of collagen, elastin, and growth factors
MatraCell process for sterilization removes ____ % of DNA - ✔✔>97% of
DNA removed
What are the storage requirements for ArthroFlex?
1. Storage temperature
2. Shelf life - ✔✔1. Room temp; ready-to-use
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,2. 3-year shelf-life
What are the storage requirements for BioCartilage?
1. Storage temperature
2. Shelf life - ✔✔1. Room temp storage
2. 5-year shelf life
What are the storage requirements
for Cartiform?
1. Storage temperature
2. Shelf life - ✔✔
How much spacing is between the TightRope XP holes of the Buttress
plate? What is the hole spacing of a standard plate? - ✔✔Buttress plate -
22 mm
Standard plate - 16 mm
How many degrees of angulation does the Buttress Plate allow for
anatomic placement of the TightRope XP implants? - ✔✔35° of angulation
How thick is the TightRope Buttress Plate? - ✔✔1.5 mm thick
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, How should the 2-Hole Buttress Plate be positioned on the lateral fibula? -
✔✔Distal hole should be centered 1.5-2 cm proximal to the tibial plafond
How big are the TightRope XP gudiewires? - ✔✔0.049 in / 1.2 mm
How many cycles does the TightRope persist compared to a 4.5 Synthes
screw? - ✔✔TR: 27,000 cycles to failure
4.5 screw: 11,000 cycles to failure
How many distal screws can be placed through the FibuLock? - ✔✔3
screws: 2 lateral-medial, 1 anterior-posterior
Where should the incision be made for the FibuLock entry point? - ✔✔1 cm
distal to the tip of the fibula
To what diameters do the 3.0 and 3.8 mm FibuLock nails expand to after
talon actuation - ✔✔3.0 nail --> 5 mm
3.8 nail --> 6 mm
What does the Offset guide do in the FibuLock instrument set? - ✔✔Allows
for drilling of guide wires 2.5 or 5 mm from an initial K-wire position
What is Tom, Dick, ANd Harry? - ✔✔Mnemonic for remembering the
location of tissue on the medial side of the ankle from anterior to posterior
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
