ABOS Flashcards

1
Q

Consequence of isolated distal scaphoid excision

A

DISI deformity

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2
Q

nitrous oxide is a _

A

vasodilator

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3
Q

PIP joint replacement should be _ (type) through _ approach

A

silicone, volar

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4
Q

Types of collagen affected by collagenase injection?

A

1, 3

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5
Q

Max days after collagenase injection for manipulation?

A

7

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6
Q

CPRS type 2 is associated with _

A

nerve injury, and in that nerve’s distribution

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7
Q

Fluid and cell type in benign ganglion

A

mucin, spindle fibroblasts

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8
Q

Osteoporosis med associated with increased spine fusion rates?

A

forteo

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9
Q

Compared with other antibiotics, vancomycin is _ dependent

A

time; level must stay about MIC, thus the importance of Vanc troughs

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10
Q

Infection that can occur after varicella vaccine

A

Strep A

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11
Q

osteoblastic bone formation can be suppressed by tumor through which factor?

A

TNF alpha

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12
Q

working length of plate is _

A

distance between closest screw on each side of fracture

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13
Q

Proteoglycan affected in MHE

A

Heparan Sulfate

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14
Q

how many months are abx in bone cement bactericidal?

A

4

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15
Q

Factor increased in serum in marfan’s

A

TGF-B

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16
Q

Early motion after achilles repair decreases _

A

rerupture rates

17
Q

imaging modality most sensitive for isolated syndesmosis injury?

A

mri

18
Q

talocalcaneal coalitions are resected through what interval?

A

medially, FDL/FHL

19
Q

Does PT help ankle djd?

A

no

20
Q

all comers van rate for displaced or dislocated talar neck fx?

A

33%

21
Q

Most common person to get pseudo tumor from MoM THA?

A

younger woman, small head, and DDH

22
Q

Sleeves or cones are not indicated with uncontained tibial defects?

A

sleeves

23
Q

t/f aldronate is a nitrogen containing bisphosphonate

A

true

24
Q

Angular deformity that can be corrected at time of TKA with standard bone cuts?

A

20

25
Q

congenital radial head dislocations associated with _

A

OI type V

26
Q

abx for cat/dog bites with pasteurella coverage?

A

amoxicillin / clavulanic acid

27
Q

sacral agenesis associated with maternal _

A

DM

28
Q

Most common complication after unstable scfe without other risk factors?

A

AVN (47%)

29
Q

% of canal to take up for flexinails?

A

80

30
Q

Most common complication after osteophyte resection for posteromedial elbow impingement in throwers?

A

medial instability

31
Q

Distance posterior from intermeniscal ligament for tibial ACL tunnel?

A

9mm

32
Q

osteophytes formed through what signaling pathway?

A

IHH