DEX IOT REVIEW QUESTIONS AND VERIFIED
ANSWERS
What is the conventional name for a temporary external fixator spanning the ankle
utilizing at least 2 pins in the tibia, a transfixion pin in the calcaneus, and 2 carbon fiber
rods? - Answers - Delta frame
Which of the following statements is TRUE regarding external fixation?
A. It is typically a more rigid solution than casting
B. Double-stacking carbon-fiber rods will increase torsional rigidity
C. It can provide bony stability when soft tissue injury prevents internal fixation
D. a and b are correct
E. All of the above - Answers - E. All of the above
What is the origin, insertion, and function of the Spring Ligament? - Answers - Origin -
Sustentaculum Tali of calcaneus
Insertion - medial plantar surface of navicular
Function - supports the talar head
T/F: The anterolateral distal tibia plates come in left nd right, 4 hole to 18 hole plates,
increasing by 2 holes at a time - Answers - True
The ankle Mortise is composed of all of the following bones EXCEPT:
A. Tibia
B. Calcaneus
C. Fibula
D. Talus - Answers - B. Calcaneus
T/F: All screw holes in the Locking third tubular plates accept 3.5 nonlocking cortical,
3.5 locking, and 4 mm cancellous screws - Answers - true
What is the strongest ligament in the ankle syndesmotic ligament complex? - Answers -
PiTFL
What plate and surgical approach is used most commonly for fixation of pilon fractures?
- Answers - Anterolateral
What does Tom, Dick, And Very Nervous Harry - Answers - Tibialis Posterior
Flexor Digitorum Longus
Posterior Tibial Artery
Posterior Tibial Vein
Tibial Nerve
ANSWERS
What is the conventional name for a temporary external fixator spanning the ankle
utilizing at least 2 pins in the tibia, a transfixion pin in the calcaneus, and 2 carbon fiber
rods? - Answers - Delta frame
Which of the following statements is TRUE regarding external fixation?
A. It is typically a more rigid solution than casting
B. Double-stacking carbon-fiber rods will increase torsional rigidity
C. It can provide bony stability when soft tissue injury prevents internal fixation
D. a and b are correct
E. All of the above - Answers - E. All of the above
What is the origin, insertion, and function of the Spring Ligament? - Answers - Origin -
Sustentaculum Tali of calcaneus
Insertion - medial plantar surface of navicular
Function - supports the talar head
T/F: The anterolateral distal tibia plates come in left nd right, 4 hole to 18 hole plates,
increasing by 2 holes at a time - Answers - True
The ankle Mortise is composed of all of the following bones EXCEPT:
A. Tibia
B. Calcaneus
C. Fibula
D. Talus - Answers - B. Calcaneus
T/F: All screw holes in the Locking third tubular plates accept 3.5 nonlocking cortical,
3.5 locking, and 4 mm cancellous screws - Answers - true
What is the strongest ligament in the ankle syndesmotic ligament complex? - Answers -
PiTFL
What plate and surgical approach is used most commonly for fixation of pilon fractures?
- Answers - Anterolateral
What does Tom, Dick, And Very Nervous Harry - Answers - Tibialis Posterior
Flexor Digitorum Longus
Posterior Tibial Artery
Posterior Tibial Vein
Tibial Nerve
