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ABFAS Exam (UPDATED) Questions and Answers Solved 100%Correct Assured A+ Which of the following tests would be most helpful for determining skin-flap viability in a 45-year-old male who sustained a crush-type injury with early soft tissue necrosis to the left foot, with radiographs negative for fracture or dislocation?fluorescein dye study distal plethysmography segmental pressure gradients indium scan
Correct answer: fluorescein dye study
A patient presents eight weeks after sustaining a fracture through the talar neck. Which finding is a prognostic indicator that the vascular supply is intact?resorption of subchondral bone of the talar dome increased trabecular pattern across the fracture increased sclerosis of the talar body absence of degenerative arthritis
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Correct answer: resorption of subchondral bone of the talar
dome
For which condition is a bone stimulator most efficacious?synovial pseudarthrosis hypertrophic nonunion fibrous nonunion fibrous malunion
Correct answer: hypertrophic nonunion
A 25-year-old female sustained an inversion ankle sprain 24 hours ago with severe edema and ecchymosis. Diagnostic tests show rupture of the lateral collateral ligaments. What should the treatment consist of at this time?compression dressing for 24 to 48 hours open ligament repair posterior splint and warm compresses for 24 to 48 hours short leg walking cast
Correct answer: compression dressing for 24 to 48 hours
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A 30-year-old male complains of a painful right ankle after sustaining a forced plantarflexion injury. Plantarflexion of the foot and dorsiflexion of the hallux greatly exacerbate the symptoms of pain at the posterior ankle. What is the most probable diagnosis?flexor digitorum longus tendinitis fracture of the sustentaculum tali fracture of the posterior lip of the tibia fracture of the posterior tubercle of the talus
Correct answer: fracture of the posterior tubercle of the talus
The radiograph is for a 14-year-old male who fell six feet and presented to the emergency department two hours later. What other diagnostic test is appropriate to rule out concomitant injury in the emergency room?axial radiography of the foot computed tomography of the foot magnetic resonance imaging of the foot radiography of the spine
Correct answer: computed tomography of the foot
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During a subtalar arthroereisis for a flexible pediatric flatfoot deformity, release of which encountered anatomic structure should be avoided so as to not destabilize the subtalar joint?interosseous talocalcaneal ligament inferior extensor retinaculum extensor digitorum brevis bifurcate ligament
Correct answer: interosseous talocalcaneal ligament
A 41-year-old female presents with a unilateral flatfoot of six months' duration. She relates a history of multiple cortisone injections over the medial foot and ankle. What is the most likely cause of her condition?dorsal tear of the plantar fascia subtalar degenerative arthritis rupture of the peroneus brevis tendon rupture of the posterior tibial tendon