Trauma Module-Lower Extremity — OrthopaedicPrinciples.com

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

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

(Question 1 of 10)

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

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

(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
Placement of a Foley catheter is needed to decompress the bladder
Double plating is ideally done in 90-90 degree fashion
Indicated if there is more than 2.5 cm displacement
A lower midline incision is preferred to help identify visceral injuries if necessary

(Question 3 of 10)

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

Normal Saline
Povidone Iodine
Castile Soap
Bacitracin
Distilled water

(Question 4 of 10)

5. True about Sacral fractures are all except?

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

(Question 5 of 10)

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

MCL
LCL
PCL
ACL
PLC

(Question 6 of 10)

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

Supracondylar fractures
Shaft fractures
Femoral neck fractures
Subtrochanteric fractures
Intertrochanteric fractures

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

(Question 8 of 10)

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

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

(Question 9 of 10)

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

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

(Question 10 of 10)