Trauma

Question 0

What is the major factor in overall outcome of varus impacted proximal humerus fractures?

Answer 0

Smoking status

Question 1

There is an increased risk of ____ with intramedullary nail fixation of bisphosphonate-related femur fractures.

Answer 1

Iatrogenic fracture

Question 2

Where is the ideal start point for a trochanteric femoral nail?

Answer 2

Just medial to the tip of the greater troch

Question 3

What is the most common complication requiring reoperation in terrible triad injuries of the elbow?

Answer 3

Reduced range of motion/stiffness

Question 4

What injury is commonly associated with a distal third spiral tibia shaft fracture?

Answer 4

Posterior mallelous fracture

Question 5

Joint widening of ____ mm is commonly associated with a lateral meniscus injury.

Answer 5

6

Question 6

Which subtalar dislocation is more likely to be open? medial or lateral?

Answer 6

lateral

Question 7

What are the three injuries associated with a terrible triad injury of the elbow?

Answer 7

coronoid fracture, radial head fracture and posterolateral ulnohumeral dislocation

Question 9

What associated soft-tissue knee injury is most commonly associated with tibial plateau fractures?

Answer 9

peripheral meniscal tears

Question 10

What is the most likely metabolic or endocrine abnormality contributing to nonunion in elderly patients?

Answer 10

Vitamin D deficiency

Question 11

Which factor has the greatest influence on stiffness during application of a uniplanar external fixator?

Answer 11

pin diameter

Question 12

Which deformity is most likely after closed treatment and casting of a mid shaft tibial shaft fracture?

Answer 12

varus malunion

Question 13

What is the 2-year mortality rate for a patient with end stage kidney disease who sustains a hip fracture?

Answer 13

45%

Question 14

Which portion of the medial collateral ligament of the elbow can be released to address loss of flexion in a post-traumatic contracture of the elbow?

Answer 14

posterior oblique

Question 15

What is the most common pathogen associated with necrotizing fasciitis?

Answer 15

Group A Streptococcus

Question 16

In case total elbow arthroplasty is selected, what intervention should be avoided when attempting ORIF of geriatric distal humerus fractures?

Answer 16

Olecranon osteotomy

Question 17

What is the best pin care method for long-term external fixation?

Answer 17

Once-daily showers and dry dressings

Question 18

In which time frame should a bone scan be performed when attempting to diagnose an occult hip fracture?

Answer 18

72 hours after the initial injury was sustained.

Question 19

What is the most common complication after open reduction internal fixation of distal humerus fractures?

Answer 19

Decreased elbow range of motion

Question 20

Bilateral femur fractures have increased rates of…

Answer 20

hemodynamic instability, mortality, head injuries, abdominal injuries, pulmonary injuries, and other orthopaedic injuries.

Question 21

What is the most common complication of an olecranon fracture treated with tension band wiring?

Answer 21

symptomatic implants

Question 22

What is the most sensitive parameter to detect inflammation elicited by implants and infection ?

Answer 22

C-reactive protein (CRP).

Question 23

The use of an extended medial parapatellar incision with a semiextended technique can prevent what common deformity at the site of a proximal tibia fracture?

Answer 23

procurvatum

Question 24

After open reduction and internal fixation of long bone fractures, at what time period should C-reactive protein start to decrease?

Answer 24

48 hrs

Question 25

When treating a stable 2-part intertrochanteric hip fracture with a sliding hip screw construct, what is the minimum number of screw holes that are needed in the side plate for successful fixation?

Answer 25

two

Question 26

Which nerve is at risk during the placement of anterior to posterior distal interlock screws of a intramedullary humeral nail?

Answer 26

musculocutaneous n.

Question 27

Which nerve is at risk during the placement of lateral to medial distal interlock screws of a intramedullary humeral nail?

Answer 27

radial n.

Question 28

What factor is most likely to adversely affect long term outcome in poly-trauma patients with severe brain injury?

Answer 28

intraoperative hypotension

Question 29

What ankle position results in the safest compartment pressures in a casted lower leg?

Answer 29

Neutral to 30 degrees of plantarflexion

Question 30

What structure is most likely to block reduction of the DRUJ in a Galeazzi fracture?

Answer 30

Extensor carpi ulnaris

Question 31

What is the most common fracture associated with a lateral subtalar dislocation?

Answer 31

cuboid fracture

Question 32

Which structure usually blocks reduction in an irreducible lateral subtalar dislocation?

Answer 32

posterior tibial tendon

Question 33

What percent of the proximal radial head articulates with the proximal ulna?

Answer 33

75%