Must-Know MCQs for the Fellowship Exam

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1. During a primary total knee replacement on a patient with previous fixed flexion deformity, you complete the distal femur and proximal tibia cuts. The gap is tight in extension, but balanced in flexion, what is the most appropriate first step to address this

Resect more tibia
Thinner tibial insert
Increase size of femoral component
Resect more distal femur
Posterior capsule release

(Question 1 of 10)

2. Comparing total hip replacement for displaced femoral neck fracture to hemiarthroplasty, total hip replacement would be expected to result in :

Poor long term patient satisfaction
Reduced need for blood transfusion
Increased acetabular wear
Reduced dislocation rate
Increased rate of revision surgery

(Question 2 of 10)

3. While performing a total knee replacement for a knee with valgus deformity, to balance the coronal plane, which of the following statement is CORRECT :

If the lateral collateral ligament is released, there is no need to consider the use of a constrained-type prosthesis
If there is a valgus deformity of greater than 15 degree, both the iliotibial band and the popliteal tendon will often need to be released
The popliteus should be released before the lateral capsule
The iliotibial band should be released with a Z-type release if the knee is tight in flexion
The osteophytes are the the last structures that should be removed

(Question 3 of 10)

4. A 25 years old patient is admitted with a forearm radius and ulna shaft fractures. You proceed with an open reduction and internal fixation. Regarding the implant used, which of the following statements is CORRECT:

The bending rigidity of plate is proportional to the second power of it’s thickness
The pullout strength of screw is proportional to the core diameter of the screws
Maximum efficiency of plate is achieved when it’s applied to the tension side of the fracture.
In transverse fractures, a convex pre-bending of the plate is required to help achieving compression
Compared to titanium, the elastic modulus of stainless steel is closer to the cortical bone.

(Question 4 of 10)

5. A 12 year old girl attends the outpatient clinic for follow up of thoracic spine scoliosis. The cobb angle is measured at 30 degrees and she is found to be Risser grade 2. The best management option would be:

Anterior release and posterior deformity correction and spinal fusion
Repeat X-ray in 6 months
Brace
Posterior deformity correction and spinal fusion
Observation

(Question 5 of 10)

6. Which of the following would be an evidence-based indication for operative intervention for a typical thoracolumbar burst fracture of the spine?

Lack of posterior midline tenderness on examination
Canal encroachment without neurological deficit
Loss of anterior vertebral height of less than 50%
Kyphosis greater than 30 degrees
Canal encroachment with static neurological deficit

(Question 6 of 10)

7. The highest concentration of proteoglycans is found in which layer of the articular cartilage?

Deep
Tidemark
Calcified
Middle
Superficial

(Question 7 of 10)

8. The safe insertion zone of acetabular screws in total hip replacement is :

Posterolateral
Anteroinferior
Anterosuperior
Posteroinferior
Posterosuperior

(Question 8 of 10)

9. Which of the following is the most sensitive clinical sign for detection of developmental dysplasia of the hip (DDH) in a baby aged 6 months?

Galeazzi test
Ortolani’s test
Asymmetric skin folds in the thighs
Barlow’s test
Limited hip abduction in flexion

(Question 9 of 10)

10. Regarding obstetric brachial plexus injuries, which of the following is not typically associated with Erb’s palsy?

Elbow extension
Anterior shoulder dislocation
Increased likelihood of skin infection
Forearm pronation
Shoulder adduction