DEX IOT DAY 5 QUESTIONS WITH 100%
CORRECT ANSWERS
1. **Which structure is used as a biological tendon graft in the InternalBrace™ Ligament Augmentation
for thumb carpal-metacarpal arthritis?**
- A. Abductor Pollicis Longus (APL)
- B. Flexor Pollicis Longus
- C. Extensor Pollicis Longus
- D. Palmaris Longus
**Answer: A. Abductor Pollicis Longus (APL)**
2. **True or False: The thumb carpal-metacarpal joint has a loose capsule that allows for multiple
movements including flexion, extension, opposition, abduction, and adduction.**
**Answer: True**
3. **On which side of the hand is the thumb carpal-metacarpal joint located?**
- A. Ulnar
- B. Radial
- C. Dorsal
- D. Palmar
**Answer: B. Radial**
4. **Which structure is at increased risk when entering the hand and wrist through the thenar portal?**
- A. Ulnar nerve
- B. Radial artery
- C. Motor branch of median nerve
- D. Superficial branch of the radial nerve
**Answer: C. Motor branch of median nerve**
5. **True or False: The flexor pollicis brevis, adductor, and flexor pollicis longus muscles compress the
thumb carpal-metacarpal joint for pinch and/or power grasp.**
**Answer: True**
, ESTUDY
6. **Which facet is crucial to reduce to prevent volar subluxation of the proximal carpal row?**
- A. Lunate facet
- B. Scaphoid facet
- C. Trapezium facet
- D. Pisiform facet
**Answer: A. Lunate facet**
7. **When treating distal radius fractures, which of the following parameters does NOT need to be
restored?**
- A. Radial deviation
- B. Radial length
- C. Volar tilt
- D. Ulnar variance
**Answer: A. Radial deviation**
8. **Which carpal bone articulates with the radius?**
- A. Lunate
- B. Scaphoid
- C. Triquetrum
- D. Pisiform
**Answer: A. Lunate**
9. **Which bone articulates with the distal radius at the radial styloid?**
- A. Lunate
- B. Scaphoid
- C. Triquetrum
- D. Pisiform
**Answer: B. Scaphoid**
10. **True or False: The torque limiting handle should be used for the distal 2.4mm screws in distal
radius plates to prevent over-torquing or under-torquing.**
**Answer: True**
11. **What suture is used in the DX fibertak anchor?**
- A. 1.3 mm flat suture
- B. 2.0 mm round suture
- C. 1.0 mm braided suture