Question Bank #2

1.What is the Coleman block test? In a cavus foot type, to test if the Forefoot drives the Rearfoot varus
2.What is Wolf’s law?Secondary bone remodeling based on adaptation to stress
3.Difference between chem 6 and chem 7 panel? chem 7 has added glucose test, chem 6 doesn’t
4.Treatment for C.diff colitis? Vancomycin (oral), Flagyl, Fecal transplant
5.What is osteodessicans? separation of bone
6.Most common osteodessicans in the foot? talar dome
7.Total Ankle Replacement (TAR) complications? septic arthritis, osteomyelitis, mal-union, hardware colapse, avascular necrosis
8. TAR patient with septic arthritis, what would you do? aspirate joint, remove hardware, joint debridement
9.What causes ABI to be falsely normal in diabetic patients? tunica media calcification (Monckeberg’s sclerosis)
10.What is Virchow’s triad?hypercoagubility, blood vessel damage, stasis of blood flow
11.Causes of atraumatic injury of achilles tendon? long term steroid injection, fluoroquinolone (DNA gyrase inhibitor)
12.Zofran cardiovascular side effect? Torsades de pointe (prolonged QT)
13.Post-op nausea medications? zofran, phenergan, promethazine, scopalamine
14.Extra-capsular ligament in the ankle? CFL
15.Zook’s rule for subungal hematoma? If less than 25%, trephinate with hot knife or needle. If greater than 25% remove nail.
16.Common foot type after TMA? Equino-varus; Gastroc, PT, AT muscles are left intact
17.Name one cephalosporin per each generation? 1) Keflex, 2)Ceftin, 3)Ceftriaxone, 4)Cefepime, 5)Ceftaroline
18.What is in a small frag set? 3.5 and 4.0 screws
19.AICT stands for? Achilles insertional calcification tendonosis
20.DISH stands for? Diffused idiopathic hypertrhopy
21.Lab values indicated for transfusion? hematocrit 21, hemaglobin 7
22.From superficial to deep what are the steps of a lateral release in bunion surgery?Superficial portion of DTML, Adductor hallucis, Fibular sesamoidal ligament, FHB, Fibular sesamoid
23.What is lag by design? partially threaded screws are design for self compression when fully tightened
24.Lag by technique? overdrill, underdrill, countersink, measure, tap, screw
25.Toxic dose of Lidocaine 1% plain? 300mg or 30cc
26.Lidocaine toxicity side effects Metallic taste, tinnitus, lips tingling, seizures. It affects the cardiovascular by causing bradycardia, AV block, vasodilation, ventricular arrhythmias
27.Types of atrophic non union? torsion wedge, comminuted, defect, atrophic.
28.types of plate fixations? compression, neuralization, anti-glide, buttess, locking plate
29.What is creeping substitution host cells invade the graft and replace it with viable bone
30.What is Vycryl? Polyglactin 910
31.Lateral ankle instability surgical procedures? Brostrom, Modified Brostrom, Brostrom-Gould, Watson-Jones, Evans, Chrisman-Snook, Lee, Elmslie, Nilsonne
32.Rescue medication for lidocaine toxicity IV fat emulsions bolus of 1.5ml/kg of 20%. Lipid attracts and adsorbs drug before reaching binding site.
33.Amount of cc’s insufflate Ankle joint? 15cc
34.Anterior drawer test? 5-8 mm-> rupture of ATFL
10-15 mm -> rupture of ATFL+CFL
>15 mm -> rupture of ATFL, CFL, +PTFL
35.What is Hooke’s law? For a material under load, strain is proportional to stress
36.What is the Silverskiold test?
For gastroc equinus, dorsiflex the ankle with knee strait and then with knee bent. Distinguish gastroc equinus vs gastroc-soleus equinus.
37.What is Simon’s rule of 15? For clubfoot in children:  T-C angle is 15
38.Name 10 causes of neuropathy.
  1. Diabetes
  2. Alcohol
  3. Leprosy
  4. Lupus erythematosus
  5. B12 deficiency
  6. Chemotherapy
  7. Cancer (lymphoma, multiple myeloma)
  8. Chronic liver disease
  9. Poisons (insecticides)
  10. Medications
  11. Charcot-Marie- Tooth
  12. Guillain-Barre syndrome
  13. Lyme disease
39.Talar tilt test? >10 degrees  rupture of CFL
40.What are the two layers of periosteum? Outer Fibrous Layer, Inner Cambium Osteogenic layer connected to outer cortex via Sharpey’s fibers