ABFAS ACTUAL TEST QUESTIONS WITH
COMPLETE ANSWER KEY
●● 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 liagments 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
COMPLETE ANSWER KEY
●● 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 liagments 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
