ABFAS EXAM QUESTIONS WITH CORRECT ANSWERS
GRADED A+|Latest Update 2024/2025
Most common complication of Weil osteotomy
Floating toe
Consequence of releasing deep deltoid ligament in clubfoot
pes planus
Osteosarcoma most commonly will metastasize into?
Lungs
Sesamoid position in plantarflexed first ray
Anterior (distal) to metatarsal head
Congenital vertical talus work up x-ray view
Lateral forced plantarflexion
Following injection of radioactive leukocytes, an indium -111 bone scan is performed after what
length of time?
24 hours
During diagnostic ultrasound what is the normal thickness of the plantar fascia?
4mm
What is the mechanism of injury for an anterior process fracture of the calcaneus?
Inversion with the foot in plantarflexion
In progression of hallux valgus which tendon becomes the major deforming force?
Adductor hallucis
Sliding of the calcaneus anteriorly on the talus when performing a triple arthrodesis results in
Dorsiflexion of the forefoot on the rearfoot, decreasing arch height
Hawkins sign can become evident as quickly as how many weeks after a patient sustains a talar injury?
6-8 weeks
Young's tenosuspension
Flexible pes planus with non arthritic NC fault
Contraindicated in RIGID deformity
Hibbs tenosuspension
EDL slips are detached from insertion, combined and reattached to the 3rd cuneiform or the base of
3rd met
,EDB tendons are transected and reattached to stumps of distal EDL stumps; 4th and 5th EDL are both
attached to 4th EHB slips
releases buckling force at the MPJ's and elevates FF; indications= equinus w/ or w/o clawtoes
in flexible deformities: anterior cavus and clawtoe deformities created by extensor overpowering.
Reverdin osteotomy modification performed in the 1st metatarsal neck?
Peabody
The Selakovich procedure is an opening bone graft wedge of which structure?
Sustentaculum tali
for children with flexible pes valgus
Most appropriate for management of intraoperative vasovagal hypotension, bradycardia, nausea?
Atropine
Dabigatran (Pradaxa)
Anticoagulant, Direct Thrombin Inhibitor
Most common soft tissue sarcoma in children
Rhabdomyosarcoma
What is the minimal level of hemoglobin prior to elective foot surgery (regardless of gender)?
10mg/dl
What is the estimated half-life of Plavix?
6 hours
How to treat iron deficiency anemia?
vitamin C
When indicated; at what point should IV ancef be administered on day of surgery?
within 30 minutes of incision
Wallerian degeneration
degeneration of the distal portion of the axon and myelin sheath (axonotmesis)
Tzank test
herpes skin test
Epiphysiodesis has been used to correct juvenile HAV deformity; where on the metatarsal is this
procedure performed?
Lateral aspect of the epiphyses at the base of the metatarsal
, Tracking
A hallux that drifts immediately back to abnormal position during motion is also known as:
Which of the following bacterial organisms is most commonly associated with osteomyelitis in a
toddler?
Hemophilus influenzae
Which of the following MOST reduces the risk of fractures in elderly women?
Bisphosphonates
Osteomyelitis demonstrates radiographic changes after
40-70% of bone resorption
Which of the following is most associated with increased risk of surgical site infections?
Infliximab (TNF alpha inhibitor)
Rosenthal zone I
Fracture distal to the distal phalanx
Rosenthal zone 2
Fracture distal to the lunula
Rosenthal zone 3
Proximal to distal end of lunula
What is the recommendation for premixed insulin dosage on the morning before diabetic foot
surgery?
Reduce by 20% the night before surgery
Reduce by 50% on the morning of surgery
An anaplastic cell is presumed to be:
Malignant
The nerve most vulnerable to compression injury below the heel?
The first branch of the lateral plantar nerve (Baxter's nerve)
The most common benign tumor of the bone in the human body is:
Osteochondroma
Extensor substitution
occur when the extensors overpower the lumbricals, often seen in anterior cavus, anterior
compartment muscle weakness, and equinus.
GRADED A+|Latest Update 2024/2025
Most common complication of Weil osteotomy
Floating toe
Consequence of releasing deep deltoid ligament in clubfoot
pes planus
Osteosarcoma most commonly will metastasize into?
Lungs
Sesamoid position in plantarflexed first ray
Anterior (distal) to metatarsal head
Congenital vertical talus work up x-ray view
Lateral forced plantarflexion
Following injection of radioactive leukocytes, an indium -111 bone scan is performed after what
length of time?
24 hours
During diagnostic ultrasound what is the normal thickness of the plantar fascia?
4mm
What is the mechanism of injury for an anterior process fracture of the calcaneus?
Inversion with the foot in plantarflexion
In progression of hallux valgus which tendon becomes the major deforming force?
Adductor hallucis
Sliding of the calcaneus anteriorly on the talus when performing a triple arthrodesis results in
Dorsiflexion of the forefoot on the rearfoot, decreasing arch height
Hawkins sign can become evident as quickly as how many weeks after a patient sustains a talar injury?
6-8 weeks
Young's tenosuspension
Flexible pes planus with non arthritic NC fault
Contraindicated in RIGID deformity
Hibbs tenosuspension
EDL slips are detached from insertion, combined and reattached to the 3rd cuneiform or the base of
3rd met
,EDB tendons are transected and reattached to stumps of distal EDL stumps; 4th and 5th EDL are both
attached to 4th EHB slips
releases buckling force at the MPJ's and elevates FF; indications= equinus w/ or w/o clawtoes
in flexible deformities: anterior cavus and clawtoe deformities created by extensor overpowering.
Reverdin osteotomy modification performed in the 1st metatarsal neck?
Peabody
The Selakovich procedure is an opening bone graft wedge of which structure?
Sustentaculum tali
for children with flexible pes valgus
Most appropriate for management of intraoperative vasovagal hypotension, bradycardia, nausea?
Atropine
Dabigatran (Pradaxa)
Anticoagulant, Direct Thrombin Inhibitor
Most common soft tissue sarcoma in children
Rhabdomyosarcoma
What is the minimal level of hemoglobin prior to elective foot surgery (regardless of gender)?
10mg/dl
What is the estimated half-life of Plavix?
6 hours
How to treat iron deficiency anemia?
vitamin C
When indicated; at what point should IV ancef be administered on day of surgery?
within 30 minutes of incision
Wallerian degeneration
degeneration of the distal portion of the axon and myelin sheath (axonotmesis)
Tzank test
herpes skin test
Epiphysiodesis has been used to correct juvenile HAV deformity; where on the metatarsal is this
procedure performed?
Lateral aspect of the epiphyses at the base of the metatarsal
, Tracking
A hallux that drifts immediately back to abnormal position during motion is also known as:
Which of the following bacterial organisms is most commonly associated with osteomyelitis in a
toddler?
Hemophilus influenzae
Which of the following MOST reduces the risk of fractures in elderly women?
Bisphosphonates
Osteomyelitis demonstrates radiographic changes after
40-70% of bone resorption
Which of the following is most associated with increased risk of surgical site infections?
Infliximab (TNF alpha inhibitor)
Rosenthal zone I
Fracture distal to the distal phalanx
Rosenthal zone 2
Fracture distal to the lunula
Rosenthal zone 3
Proximal to distal end of lunula
What is the recommendation for premixed insulin dosage on the morning before diabetic foot
surgery?
Reduce by 20% the night before surgery
Reduce by 50% on the morning of surgery
An anaplastic cell is presumed to be:
Malignant
The nerve most vulnerable to compression injury below the heel?
The first branch of the lateral plantar nerve (Baxter's nerve)
The most common benign tumor of the bone in the human body is:
Osteochondroma
Extensor substitution
occur when the extensors overpower the lumbricals, often seen in anterior cavus, anterior
compartment muscle weakness, and equinus.
