Must-Know MCQs for the Fellowship Exam — OrthopaedicPrinciples.com

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

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

(Question 1 of 10)

2. 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?

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

(Question 2 of 10)

3. 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
Increased acetabular wear
Increased rate of revision surgery
Reduced need for blood transfusion
Reduced dislocation rate

(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
Compared to titanium, the elastic modulus of stainless steel is closer to the cortical bone.
In transverse fractures, a convex pre-bending of the plate is required to help achieving compression
Maximum efficiency of plate is achieved when it’s applied to the tension side of the fracture.

(Question 4 of 10)

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

Tidemark
Calcified
Middle
Superficial
Deep

(Question 5 of 10)

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

Posterolateral
Anteroinferior
Anterosuperior
Posterosuperior
Posteroinferior

(Question 6 of 10)

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

The iliotibial band should be released with a Z-type release if the knee is tight in flexion
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 osteophytes are the the last structures that should be removed
The popliteus should be released before the lateral capsule
If the lateral collateral ligament is released, there is no need to consider the use of a constrained-type prosthesis

(Question 7 of 10)

8. 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:

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

(Question 8 of 10)

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

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

(Question 9 of 10)

10. 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

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

(Question 10 of 10)

Courtesy: Zaid Al-RUb, FRCS Orth, Founder, OrthoPass

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