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Trauma Quiz

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1 / 50

Which of the following is an advantage of computer-assisted navigation used to place medullary nail interlocking screws compared to a freehand techinque?

2 / 50

A 28-year-old male sustains a midshaft fibula fracture after being kicked during a karate tournament and develops compartment syndrome isolated to the lateral compartment of his leg. If left untreated, which of the following sensory or motor deficits would be expected?

3 / 50

Which of the following is an indication for surgical treatment of an acute humeral shaft fracture?

4 / 50

Open reduction and internal fixation for fracture clavicle is indicated in all of the following except:

5 / 50

The talocrural angle of an ankle mortise x-ray is formed between a line perpendicular to the tibial plafond and a line drawn:

6 / 50

Which of the following is incorrect about dislocation of sternoclavicular joint:

7 / 50

What percentage of normal circulating blood loss is needed for a patient to become tachycardic with a narrowed pulse pressure?

8 / 50

A computed tomography (CT) scan has been shown to be indicated for evaluation of all of the following aspects of acetabular fractures, EXCEPT:

9 / 50

An 18-year-old athlete is now 3 months out from anterior cruciate ligament reconstruction. He has been unable to obtain full extension of the knee. His range of motion is from 12° to 125° compared to 0° to 140° on the contralateral knee. He has no effusion, no pain at rest, and a stable Lachman’s test. He is having difficulty ambulating without crutches. What is the most common technical error which can account for these findings?

10 / 50

Internal   fixation   of  fracture   is   contraindicated  in  which situation:

11 / 50

Which of the following cannulated screw configurations used in the treatment of subcapital femoral neck fractures is optimal?

12 / 50

Intramedullary nailing of proximal tibial shaft fractures are technically demanding, and use of an extended medial parapatellar incision with a semiextended technique can prevent what common deformity at the fracture site?

13 / 50

When performing a Kocher approach to the radial head for open reduction internal fixation the forearm is held in pronation. What structure is this maneuver attempting to protect?

14 / 50

A 59 year old man is found 7 hours after sustaining a comminuted fracture of his left tibia secondary to a high velocity gun shot wound. He is hypotensive on site ( syst BP <90) but responds well to IV fluids. He has a weak DP pulse but good Cap Refill. What is the patient’s MESS value?

15 / 50

Which of the following is the best way to preserve amputated part for replantation:

16 / 50

A 68-year-old woman undergoes hemiarthroplasty for a proximal humerus fracture. What post-operative motion should be limited as it puts the most stress on the lesser tuberosity fragment fixation?

17 / 50

A 50 year old factory worker is admitted with a closed elbow injury. X-ray shows a comminuted (Mason type III) fracture of the radial head. Clinically there is swelling and tenderness around the medial aspect of the joint associated with valgus instability. What is the LEAST appropriate management for this patient?

18 / 50

Poor pre-injury cognitive function has been proven to increase mortality for which of the following injuries?

19 / 50

A 72-year-old female presents to your office with a 24-month old painful nonunion of a 3-part fracture of the proximal humerus. She has been treated conservatively with range of motion exercises but continues to complain of debilitating pain and dysfunction. Operative management should include:

20 / 50

The flexor hallucis longus tendon is at greatest risk of injury with a lateralto-medial drill or screw during fixation of what structure?

21 / 50

A 30-year-old man sustains a head injury as well as a femur and pelvis fractures as the result of a rollover motor vehicle accident. He is initially comatosed, but recovers cognitive function after 10 days in the hospital. Soon after awakening he complains of wrist pain and an x-ray demonstrates a distal radius fracture. What is the most likely explanation for this delayed diagnosis?

22 / 50

What is the earliest sign of Volkmann’s ischaemia:

23 / 50

A 21-year-old male presents to the emergency department after sustaining a gun shot wound to his back. Subsequent radiographs reveal a bullet in the L2 vertebral body. Physical exam shows no neurologic deficits. He undergoes emergent laparotomy and is found to have a small bowel laceration. What would be the preferred treatment following his exploratory laparotomy and small bowel repair?

24 / 50

Varus malalignment after a talar neck fracture with medial comminution causes a decrease in what motion?

25 / 50

A 42-year-old female undergoes a subtalar bone block distraction arthrodesis as sequelae of a nonoperatively treated calcaneus fracture ten years prior. This procedure addresses which of the following issues?

26 / 50

Compared to patients with unilateral femoral fracture, patients with bilateral femoral fractures are at greater risk for which complication?

27 / 50

Lipohemarthrosis of the knee is most likely secondary to which of the following?

28 / 50

When evaluating patients that needed revision surgery, what is the most common cause of a failed primary ACL reconstruction?

29 / 50

The mangled extremity severity score (MESS) utilizes all of the following variables EXCEPT:

30 / 50

Transeverse fracture of humeral shaft in adults:

31 / 50

During an open reduction internal fixation of a humerus fracture using the posterior approach, a surgeon can identify the posterior antebrachial cutaneous nerve and trace it proximally to which of the following nerves?

32 / 50

A patient sustains a comminuted calcaneus fracture. Three months after the injury the patient complains of shoewear problems secondary to clawing of the lesser toes. What is the most likely explanation for this deformity?

33 / 50

All of the following have been shown to negatively affect clinical outcomes in treating displaced acetabular fractures, EXCEPT:

34 / 50

Based on the Young and Burgess classification of pelvic ring injuries, an anterior-posterior compression type II injury does not result in disruption of which of the following?

35 / 50

Increased hip intracapusular pressures can lead to diminished femoral head perfusion. What leg position has been shown to create the lowest intracapsular hip pressures after femoral neck fracture?

36 / 50

Antegrade femoral nailing in polytrauma patients with chest injuries should be:

37 / 50

A 45-year-old homeless hemophiliac male presents with chronic tibial osteomyelitis. Which of the following factors has been shown to predict a better prognosis?

38 / 50

When placing a percutaneous retrograde pubic rami screw for fixation of an acetabular fracture, which of the following radiographic views can best ensure that the screw does not exit the posterior aspect of the superior pubic ramus?

39 / 50

A 35-year-old male suffers an anterior column acetabular fracture during a motor vehicle collision, and subsequently undergoes percutaneous acetabular fixation. Intraoperatively, fluoroscopy is positioned to obtain an obturator oblique-inlet view while placing a supraacetabular screw. Which of the following screw relationships is best evaluated with this view?

40 / 50

Treatment of an atrophic nonunion of the radial diaphysis should include which of the following?

41 / 50

The greatest increase in compartment pressure during reamed intramedullary nailing of tibial shaft fracture occurs with the use of:

42 / 50

A 30-year-old patient underwent open reduction internal fixation of a talar neck fracture 8 weeks ago. His current radiographs demonstrate a subchondral radiolucency of the dome of the talus. What is the next most appropriate course of action?

43 / 50

Most commonly fractured bone is:

44 / 50

All of the following are advantages of supine over lateral positioning during intramedullary nailing of subtrochanteric femur fractures EXCEPT:

45 / 50

Death 3 days after pelvic fracture is most likely to be due to:

46 / 50

The anterolateral branch of the anterior circumflex artery supplies blood to what aspect of the proximal humerus?

47 / 50

Which of the  following fracture is slowest to heal and often develops non-union:

48 / 50

An 11-year-old child has a tibia-fibula fracture following a fall from a swing. The fracture is reduced and placed in a long leg splint in the emergency room. What is considered the most important symptom of a developing compartment syndrome of the leg?

49 / 50

Anterior perforation of the distal femur from antegrade femoral nailing has been attributed to what factor?

50 / 50

Longitudinal radioulnar dissociation, including Essex Lopresti fractures, requires disruption of the interosseous membrane (IOM). The interosseous membrane (IOM) consists of all of the following ligaments EXCEPT?

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