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ABFAS BOARDS (REARFOOT AND
FOREFOOT) EXAM | QUESTIONS &
ANSWERS (VERIFIED) | LATEST UPDATE |
GRADED A+
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 me...
1 ABFAS BOARDS (REARFO OT AND FOREFOOT) EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ 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? 2 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 medi cal terms?? Correct Answer: A subchondral cyst Insertion of EDB 3 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 duri ng gait cycle? Correct Answer: Pronation of the STJ, this causes the femur to rotate laterally which will unlock the knee 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. 4 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 a voided 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 lac k of motion stimulates osteogenesis Why is alcohol used to dilute phenol?
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