ABFAS boards (Rearfoot and forefoot) Questions with
100% Actual correct answers | verified | latest update
| Graded A+ | Already Passed | Complete Solution
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
How is LMWH excreted? - ANSWER -through the kidneys; should be
avoided in those with kidney failure
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
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
3. surgical anesthesia
4. overdose
What are the characteristics of stage 3 anesthesia? 4 planes - ANSWER
-Surgical anesthesia:
1) regular respiration, no eyelid reflex
2)slowed breathing
3)stops breathing, no laryngeal reflexes
4)intercostal paralysis, fully dilated pupils
Characteristics of moderate/conscious sedation - ANSWER -responds
purposefully. Does not require airway intervention
what is the least common polydactyly?
Which the is the most common? - ANSWER -Central polydactyly.
postaxial polydactyly is the most common
100% Actual correct answers | verified | latest update
| Graded A+ | Already Passed | Complete Solution
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
How is LMWH excreted? - ANSWER -through the kidneys; should be
avoided in those with kidney failure
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
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
3. surgical anesthesia
4. overdose
What are the characteristics of stage 3 anesthesia? 4 planes - ANSWER
-Surgical anesthesia:
1) regular respiration, no eyelid reflex
2)slowed breathing
3)stops breathing, no laryngeal reflexes
4)intercostal paralysis, fully dilated pupils
Characteristics of moderate/conscious sedation - ANSWER -responds
purposefully. Does not require airway intervention
what is the least common polydactyly?
Which the is the most common? - ANSWER -Central polydactyly.
postaxial polydactyly is the most common
