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ABFAS BOARD(FOREFOOT &REARFOOT) ACTUAL WITH BEST SOLUTIONS EXAM 2024
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ABFAS BOARD(FOREFOOT &REARFOOT) ACTUAL WITH BEST SOLUTIONS EXAM 2024
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Page 1 of 48ABFAS BOARD(FOREFOOT &REARFOOT) ACTUAL WITH
BEST SOLUTIONS EXAM 2024
What motion unlocks the knee during gait cycle? - answer-Pronation of the STJ, this causes
the femur to rotate laterally which will unlock the knee
Which inhaled anesthetic is the most cardioprotective? - answer-isoflurane
Properties of Calcium phosphate antibiotic beads - answer-non exothermic
Must use powder
Peaks at 3 hours and then elutes over 72 hours
120 day shelf life
Most common 5th metatarsal fracture - answer-Avulsion fracture (about 50% of 5th met
fractures)
normal lateral bowing angle? - answer-IM= 6.5-9.0
bowing angle=2.6
What is the Myerson procedure? - answer-use of EHB in correction of HAV.
stewart classification - answer-5th met base fracture
benefit of ropivicaine over bupivaine - answer-less cardiotoxicity, but much more expensive.
most common cause of peroneal spastic flatfoot? - answer-tarsal coalition
, Page 2 of 48
What causes a local anesthetic to have faster onset? - answer-Lower pKa
Where does the extensor apparatus originate/insert - answer-There is no specific area that
it originates from or inserts
What is a geode in medical terms?? - answer-A subchondral cyst
Insertion of EDB - answer-Extensor apparatus near base of proximal phalanx.
changes to X-ray machine for fiberglass cast - answer-increase mA by 1.5x
What is the half life of heparin? - answer-6 hours
Difference between technetium and gallium - answer-Technetium binds to hydroxyapatite
and is seen in areas of high bone turnover.
Gallium binds to WBC's and is seen in areas of increased inflammation.
If used together, Technetium should be given first.
Which ASA class has 2-3x risk for post-op complications. - answer-ASA class III: specifically
a pulmonary complication
How is LMWH excreted? - answer-through the kidneys; should be avoided in those with
kidney failure
, Page 3 of 48
Which local anesthetic is lease likely to cause methemoglobinemia? - answer-Marcaine
although is is very rare for the other local anesthetics anyway.
What does exposure mean in medical research? - answer-Any factors or characteristics that
may explain/predict a certain outcome.
What types of fixation provide compression and also osteogenesis.
How do things provide osteogenesis? - answer-Lag screws and dynamic compression
plates.
The lack of motion stimulates osteogenesis
Why is alcohol used to dilute phenol? - answer-phenol is insoluble in water, but is soluble in
alcohol.
Should diuretics be held prior to surgery? - answer-yes, hypotension is common in surgery
and taking a diuretic may exacerbate the hypotension
anticoagulant that is a direct thrombin inhibitor? - answer-dabigatran
Term in a research study for all people who enter a study regardless of treatment, exposure,
or ability to complete the study? - answer-study population
, Page 4 of 48
antibiotic for open fracture at a farm? - answer-10-20 million units of penicillin due to
possibility of clostridium contamination.
Why is thermal necrosis of bone problematic? - answer-increased zone of resorption at
osteotomy site
met base osteotomy with high rate of dorsal malunion - answer-crescentic osteotomy
Correction of digiti quinti varus with V-y skin plasty often doesn't work due to... - answer-
inability of V-Y plasty to correct the deformity adequately
When is midstance phase of gait? - answer-opposite side toe off.
apex of deformity in anterior cavus foot with occur at which joint? - answer-1st met
cuneiform joint
effect on mu receptors with surgery?
What affect does this have on pain killers? - answer-Mu receptor are up regulated, this
causes opioids to be more effective for pain control
most common complication with polycactyly treatment. - answer-Removal of the wrong
extra digit.
-Need adequate pre-op planning and vascular assessment.
What are the stages of anesthesia? - answer-1. amnesia/analgesia
2. delirium
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