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ABFAS REVIEW RRA exam with complete solution 2024_2025.
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ABFAS REVIEW RRA exam with complete solution 2024_2025.
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ABFAS REVIEW RRA exam with completesolution 2024/2025
At what position must the foot be in relation to the ankle during an ankle fusion? -
ANSWER- 90 degrees
-too much midfoot extension causes osseous equinus
What is the biggest risk with a nonoperative treatment of an Achilles tendon
rupture? - ANSWER- Re-rupture
T/F The talar component is primarily seated in the cancellous bone in a total ankle
replacement - ANSWER- T
T/F Bone cement is commonly used in TAR to successfully resist shear
pressures - ANSWER- F - early TAR systems used it
T/F Two component implants are also known as mobile bearing devices -
ANSWER- F - fixed-bearing
-poly piece is locked within the tibial component
What structure is most at risk when utilizing the posterior lateral portal for ankle
arthroscopy? - ANSWER- Sural Nerve
What is an important landmark to use when completing a posterior ankle scope? -
ANSWER- FHL - always identify and debride from its sheath, allows you to avoid
damage to NV bundle
Hawkins 1 has what percentage chance of AVN? - ANSWER- 0-13%
, Hawkins 2 has what percentage chance of AVN? - ANSWER- 20-50%
Hawkins 3 has what percentage chance of AVN? - ANSWER- 20-100%
Hawkins 4 has what percentage chance of AVN? - ANSWER- 70-100%
What is the most common long term complication from a displaced talar neck
fracture? - ANSWER- Subtalar Joint arthritis
What is the most important variable in predicting outcome of calcaneal fractures?
- ANSWER- Degree of soft tissue injury
What structures should be avoided during the dissection for the Evans
procedure? - ANSWER- Plantar, periarticular ligaments of the CC joint and long
plantar ligament
-will cause disruption of the fragment stability
What type of nonunions are characterized by an abundant attempts at healing
with good blood flow to the fracture site but without appropriate stability? -
ANSWER- Hypertrophic
Which of the following is not an example of a hypertrophic nonunion?
B. Oligotrophic
C. Elephant foot
D. Atrophic - ANSWER- D
What is the bone grafting modality of choice in regard to safety and efficiency in
the surgical management of nonunion? - ANSWER- Autograft
Post op fever at 48 hours - ANSWER- DVT
Post op fever at 12-24 hours - ANSWER- pulmonary atelectasis
Post op fever at 24 hours - ANSWER- UTI; retention
Post op fever at 72 hours - ANSWER- surgical site infection
What structure provides significant blood flow to the talus that should be
preserved during ORIF? - ANSWER- Deltoid ligament, deltoid artery
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