ABFAS BOARDS (REARFOOT AND FOREFOOT) 400 CLEAR
QUESTIONS AND ANSWERS LATEST VERSION UPDATED
AND REVISED IN 2025
when should NSAIDS be held prior to surgery? - ANSWER
->72 hours according to mcGlamry
What is found in vitamin D deficiency? - ANSWER -
>increased risk of fracture and other bone deformities
This is called "rickets" in children you get
insufficient mineralization of newly
formed osteoid
What is the Myerson procedure? - ANSWER ->use of EHB
in correction of HAV
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 IM between 4 and 5?
normal lateral bowing angle? - ANSWER -
>IM= 6.5-9.0 bowing angle=2.6
stewart classification - ANSWER ->5th met base fracture
How do things provide osteogenesis? - ANSWER ->Lag
screws and dynamic compression plates.
benefit of ropivicaine over bupivaine - ANSWER ->less
cardiotoxicity, but much more expensive.
,most common cause of peroneal spastic flatfoot? -
ANSWER ->tarsal coalition
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 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
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
QUESTIONS AND ANSWERS LATEST VERSION UPDATED
AND REVISED IN 2025
when should NSAIDS be held prior to surgery? - ANSWER
->72 hours according to mcGlamry
What is found in vitamin D deficiency? - ANSWER -
>increased risk of fracture and other bone deformities
This is called "rickets" in children you get
insufficient mineralization of newly
formed osteoid
What is the Myerson procedure? - ANSWER ->use of EHB
in correction of HAV
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 IM between 4 and 5?
normal lateral bowing angle? - ANSWER -
>IM= 6.5-9.0 bowing angle=2.6
stewart classification - ANSWER ->5th met base fracture
How do things provide osteogenesis? - ANSWER ->Lag
screws and dynamic compression plates.
benefit of ropivicaine over bupivaine - ANSWER ->less
cardiotoxicity, but much more expensive.
,most common cause of peroneal spastic flatfoot? -
ANSWER ->tarsal coalition
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 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
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
