Trauma Module-Lower Extremity — OrthopaedicPrinciples.com

1. Femur fractures that are most often associated with a pathologic process:

Intertrochanteric fractures
Supracondylar fractures
Femoral neck fractures
Shaft fractures
Subtrochanteric fractures

(Question 1 of 10)

2. Which of the following injuries is most commonly associated with knee dislocation

fracture of the distal femur
fracture of the tibial plateau
Segond fracture
common peroneal nerve injury
popliteal artery rupture

(Question 2 of 10)

3. Regarding plate fixation for pubic symphysis diastasis the following are true except

symphysis is an amphiarthrodial joint, consisting of a fibrocartilaginous disc, and stabilized by the superior and inferior arcuate ligaments
Indicated if there is more than 2.5 cm displacement
Placement of a Foley catheter is needed to decompress the bladder
Double plating is ideally done in 90-90 degree fashion
A lower midline incision is preferred to help identify visceral injuries if necessary

(Question 3 of 10)

4. The following are true of acetabular fracture surgery except:

The Ilioinguinal approach is ideal for anterior column fracture fixation
The incidence of heterotopic ossification is highest for Ilioinguinal approach
Infratectal and Juxtatectal fractures are best managed by Kocher Langenback approach
The development of secondary arthritis has a correlation with degree of articular reduction
An arteriogram is required to check the patency of superior gluteal artery prior to undertaking an extended iliofemoral approach

(Question 4 of 10)

5. The best solution for irrigation during debridement of an open tibial fracture is

Povidone Iodine
Distilled water
Bacitracin
Castile Soap
Normal Saline

(Question 5 of 10)

6. The most important ligament to be reconstructed in an isolated knee dislocation in the absence of a fracture is?

ACL
MCL
PLC
LCL
PCL

(Question 6 of 10)

7. True about Sacral fractures are all except?

L5 nerve root is most commonly injured in Zone 1 injuries
U shaped fractures involved spinopelvic dissociation and maybe associated with cauda equina syndrome
Zone 3 injuries have highest risk of neurological involvement
Transformaminal fractures with vertical instability and comminution should be treated with iliosacral screws only
The Denis classification has 3 zones

(Question 7 of 10)

8. A 20 year old male sustains a closed tibial shaft fracture with an intact fibula. Which of the following statements is false?

It is associated with an increased incidence of valgus malunion.
It is associated with an increased risk posttraumatic degeneration of the ipsilateral ankle.
Tension forces predominate in the lateral tibial cortex
It is associated with an increased risk of nonunion
It is associated with an increased incidence of delayed union

(Question 8 of 10)

9. Sarmiento’s functional cast bracing is contraindicated in which of the following?

Significant axial instability
Significant angular instability.
Rotational instability
Articular Involvement
Presence of an open fracture

(Question 9 of 10)

10. In a pelvic fracture, selective arterial embolisation can be considered to reduce ongoing haemorrhage if

liver, kidney, spleen or other visceral lacerations
Restoration of haemodynamic stability by initial fluid resuscitation
Stable fracture pattern
A CT Scan finding of a large hematoma in the space of Retzius
Ultrasound finding of a retroperitoneal hematoma

(Question 10 of 10)