DEX IOT DAY 4 EXAM QUESTIONS WITH
COMPLETE SOLUTIONS
1. **Which of the following can be used to treat a Lisfranc injury?**
- A. 4.5 Bio-Corkscrew Mini Tightrope
- B. 3.5 Titanium Mini Tightrope
- C. 2.7 Knotless Mini Tightrope
- D. All of the above
**Answer: D. All of the above**
2. **Where should the compression hole of the Diamond plate be placed for Lisfranc injuries?**
- A. 1st metatarsal base
- B. 2nd metatarsal base
- C. 3rd metatarsal base
- D. 4th metatarsal base
**Answer: B. 2nd metatarsal base**
3. **The Lisfranc ligament originates on the ________ and inserts on the ________.**
- A. Lateral cuneiform, 1st metatarsal base
- B. Medial cuneiform, 2nd metatarsal base
- C. Middle cuneiform, 3rd metatarsal base
- D. Cuboid, 4th metatarsal base
**Answer: B. Medial cuneiform, 2nd metatarsal base**
4. **Lisfranc injuries are commonly caused by which of the following mechanisms?**
- A. Motor vehicle accidents
- B. Falls from heights
- C. Athletic injuries
- D. All of the above
**Answer: D. All of the above**
5. **What is another name for the tarsal-metatarsal joint?**
- A. Lisfranc Joint
- B. Talonavicular Joint
- C. Subtalar Joint
, ESTUDY
- D. Ankle Joint
**Answer: A. Lisfranc Joint**
6. **What size is the capital fragment k-wire for MIS bunion?**
- A. 1.2 mm
- B. 1.4 mm
- C. 1.6 mm
- D. 1.8 mm
**Answer: C. 1.6 mm**
7. **Where should you insert your capital fragment wire for MIS bunion?**
- A. Through the #2 knob and into the capital fragment shifter
- B. Through the #1 knob and into the proximal phalanx
- C. Through the capital fragment shifter and into the #2 knob
- D. Through the proximal phalanx and into the #1 knob
**Answer: B. Through the #1 knob and into the proximal phalanx**
8. **What does the #2 knob on the MIS bunion guide control?**
- A. Angle of the guide
- B. Proximal to distal control of the guide for screw placement
- C. Rotation of the guide
- D. Depth of the guide
**Answer: B. Proximal to distal control of the guide for screw placement**
9. **What three screws are in the MIS bunion tray and their features?**
- A. 2.5 Comp FT, 3.5 Beveled FT, 4.0 Beveled FT
- B. 2.5 Comp FT (1.0 wire, 2.0 drill for soft bone), 3.5 Beveled FT (1.4 wire, 2.9 drill), 4.0 Beveled FT
(1.6 wire, 3.6 drill)
- C. 2.5 Comp FT (1.5 wire, 2.2 drill), 3.5 Beveled FT (1.2 wire, 2.8 drill), 4.0 Beveled FT (1.8 wire, 3.5
drill)
- D. 2.5 Comp FT (1.2 wire, 2.5 drill), 3.5 Beveled FT (1.6 wire, 2.7 drill), 4.0 Beveled FT (1.4 wire, 3.3
drill)
**Answer: B. 2.5 Comp FT (1.0 wire, 2.0 drill for soft bone), 3.5 Beveled FT (1.4 wire, 2.9 drill), 4.0
Beveled FT (1.6 wire, 3.6 drill)**
10. **What guides are included in the MIS bunion tray?**
- A. 15 and 45 degree parallel guides
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