ABFAS boards (Rearfoot and
forefoot) Exam Questions and
Answers 100% PASS
Properties of Calcium phosphate antibiotic beads - CORRECT 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 - CORRECT ANSWER-Avulsion fracture
(about 50% of 5th met fractures)
normal IM between 4 and 5?
normal lateral bowing angle? - CORRECT ANSWER-IM= 6.5-9.0
bowing angle=2.6
What is the Myerson procedure? - CORRECT ANSWER-use of EHB in
correction of HAV.
,What is biologic fixation? - CORRECT ANSWER-
stewart classification - CORRECT ANSWER-5th met base fracture
benefit of ropivicaine over bupivaine - CORRECT ANSWER-less cardiotoxicity,
but much more expensive.
most common cause of peroneal spastic flatfoot? - CORRECT ANSWER-tarsal
coalition
What causes a local anesthetic to have faster onset? - CORRECT ANSWER-
Lower pKa
Where does the extensor apparatus originate/insert - CORRECT ANSWER-There
is no specific area that it originates from or inserts
What is a geode in medical terms?? - CORRECT ANSWER-A subchondral cyst
Insertion of EDB - CORRECT ANSWER-Extensor apparatus near base of
proximal phalanx.
changes to X-ray machine for fiberglass cast - CORRECT ANSWER-increase mA
by 1.5x
What motion unlocks the knee during gait cycle? - CORRECT ANSWER-
Pronation of the STJ, this causes the femur to rotate laterally which will unlock the
knee
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,Which inhaled anesthetic is the most cardioprotective? - CORRECT ANSWER-
isoflurane
What is the half life of heparin? - CORRECT ANSWER-6 hours
Difference between technetium and gallium - CORRECT 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. - CORRECT
ANSWER-ASA class III: specifically a pulmonary complication
How is LMWH excreted? - CORRECT ANSWER-through the kidneys; should be
avoided in those with kidney failure
Which local anesthetic is lease likely to cause methemoglobinemia? - CORRECT
ANSWER-Marcaine
although is is very rare for the other local anesthetics anyway.
What does exposure mean in medical research? - CORRECT 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? - CORRECT ANSWER-Lag screws and
dynamic compression plates.
The lack of motion stimulates osteogenesis
Why is alcohol used to dilute phenol? - CORRECT ANSWER-phenol is insoluble
in water, but is soluble in alcohol.
Should diuretics be held prior to surgery? - CORRECT ANSWER-yes,
hypotension is common in surgery and taking a diuretic may exacerbate the
hypotension
anticoagulant that is a direct thrombin inhibitor? - CORRECT ANSWER-
dabigatran
Term in a research study for all people who enter a study regardless of treatment,
exposure, or ability to complete the study? - CORRECT ANSWER-study
population
antibiotic for open fracture at a farm? - CORRECT ANSWER-10-20 million units
of penicillin due to possibility of clostridium contamination.
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
forefoot) Exam Questions and
Answers 100% PASS
Properties of Calcium phosphate antibiotic beads - CORRECT 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 - CORRECT ANSWER-Avulsion fracture
(about 50% of 5th met fractures)
normal IM between 4 and 5?
normal lateral bowing angle? - CORRECT ANSWER-IM= 6.5-9.0
bowing angle=2.6
What is the Myerson procedure? - CORRECT ANSWER-use of EHB in
correction of HAV.
,What is biologic fixation? - CORRECT ANSWER-
stewart classification - CORRECT ANSWER-5th met base fracture
benefit of ropivicaine over bupivaine - CORRECT ANSWER-less cardiotoxicity,
but much more expensive.
most common cause of peroneal spastic flatfoot? - CORRECT ANSWER-tarsal
coalition
What causes a local anesthetic to have faster onset? - CORRECT ANSWER-
Lower pKa
Where does the extensor apparatus originate/insert - CORRECT ANSWER-There
is no specific area that it originates from or inserts
What is a geode in medical terms?? - CORRECT ANSWER-A subchondral cyst
Insertion of EDB - CORRECT ANSWER-Extensor apparatus near base of
proximal phalanx.
changes to X-ray machine for fiberglass cast - CORRECT ANSWER-increase mA
by 1.5x
What motion unlocks the knee during gait cycle? - CORRECT ANSWER-
Pronation of the STJ, this causes the femur to rotate laterally which will unlock the
knee
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
,Which inhaled anesthetic is the most cardioprotective? - CORRECT ANSWER-
isoflurane
What is the half life of heparin? - CORRECT ANSWER-6 hours
Difference between technetium and gallium - CORRECT 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. - CORRECT
ANSWER-ASA class III: specifically a pulmonary complication
How is LMWH excreted? - CORRECT ANSWER-through the kidneys; should be
avoided in those with kidney failure
Which local anesthetic is lease likely to cause methemoglobinemia? - CORRECT
ANSWER-Marcaine
although is is very rare for the other local anesthetics anyway.
What does exposure mean in medical research? - CORRECT 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? - CORRECT ANSWER-Lag screws and
dynamic compression plates.
The lack of motion stimulates osteogenesis
Why is alcohol used to dilute phenol? - CORRECT ANSWER-phenol is insoluble
in water, but is soluble in alcohol.
Should diuretics be held prior to surgery? - CORRECT ANSWER-yes,
hypotension is common in surgery and taking a diuretic may exacerbate the
hypotension
anticoagulant that is a direct thrombin inhibitor? - CORRECT ANSWER-
dabigatran
Term in a research study for all people who enter a study regardless of treatment,
exposure, or ability to complete the study? - CORRECT ANSWER-study
population
antibiotic for open fracture at a farm? - CORRECT ANSWER-10-20 million units
of penicillin due to possibility of clostridium contamination.
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED