ABFAS BOARD EXAM ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS)

ABFAS BOARD EXAM ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) Practice questions for this set Learn 1 / 7 Study with Learn use of EHB in correction of HAV. Choose matching term 1 Properties of Calcium phosphate antibiotic beads 2 What is the Myerson procedure? 3 What surgical procedure is indicated when the midtarsal joint won't lock when heel is held in neutral? 4 What does it mean when a joint is "Open-pack"? 12/15/24, 11:15 AM ABFAS BOARD EXAM ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONAL… Terms in this set (412) Properties of Calcium phosphate antibiotic beads non exothermic Must use powder Peaks at 3 hours and then elutes over 72 hours 120 day shelf life Most common 5th metatarsal fracture Avulsion fracture (about 50% of 5th met fractures) normal IM between 4 and 5? normal lateral bowing angle? IM= 6.5-9.0 bowing angle=2.6 What is the Myerson procedure? use of EHB in correction of HAV. What is biologic fixation? stewart classification 5th met base fracture benefit of ropivicaine over bupivaine less cardiotoxicity, but much more expensive. most common cause of peroneal spastic flatfoot? tarsal coalition Don't know? 12/15/24, 11:15 AM ABFAS BOARD EXAM ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONAL… What causes a local anesthetic to have faster onset? Lower pKa Where does the extensor apparatus originate/insert There is no specific area that it originates from or inserts What is a geode in medical terms?? A subchondral cyst Insertion of EDB Extensor apparatus near base of proximal phalanx. changes to X-ray machine for fiberglass cast increase mA by 1.5x What motion unlocks the knee during gait cycle? Pronation of the STJ, this causes the femur to rotate laterally which will unlock the knee Which inhaled anesthetic is the most cardioprotective? isoflurane What is the half life of heparin? 6 hours Difference between technetium and gallium 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. 12/15/24, 11:15 AM ABFAS BOARD EXAM ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONAL… Which ASA class has 2- 3x risk for post-op complications. ASA class III: specifically a pulmonary complication How is LMWH excreted? through the kidneys; should be avoided in those with kidney failure Which local anesthetic is lease likely to cause methemoglobinemia? Marcaine although is is very rare for the other local anesthetics anyway. What does exposure mean in medical research? 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? Lag screws and dynamic compression plates. The lack of motion stimulates osteogenesis Why is alcohol used to dilute phenol? phenol is insoluble in water, but is soluble in alcohol. Should diuretics be held prior to surgery? yes, hypotension is common in surgery and taking a diuretic may exacerbate the hypotension anticoagulant that is a direct thrombin inhibitor? dabigatran Term in a research study for all people who enter a study regardless of treatment, exposure, or ability to complete the study? study population