Arab Orthopaedic Board MCQs - Part 26

A twelve years old obese boy is comes to your clinic with his mother who claims that her son has been complaining of pain in the right knee (medial aspect), has a limb and walks with his right lower extremity externally rotated. On Examination what area would you expect the pathology would be?

Which of the following conditions should be ruled out while evaluating a patient suspected to have a Slipped Capital Femoral Epiphysis?

A 14 years old boy while playing tennis on a sandy ground felt as though a nail penetrated his shoe, one week ago. At present he has swelling, redness and drainage from his sole. You request a culture and sensitivity. If it proves to be an infection what would be the most likely organism?

Which of the following organisms have dropped in incidence, as a cause of septic arthritis in children, following vaccination?

The most common site for metastasis to occur in the spine, would be:

In an acute cervical spine injury what would be the best method of demonstrating instability between occiput and C2 vertebra?

The posterior longitudinal ligament of the spine ends at the base of the cranium as the:

The most common type of carpal instability is:

The normal scapho-lunate angle on a lateral view of the wrist, is:

The “scaphoid stress test” is performed by applying pressure on the scaphoid tubercle, with the wrist in:

A scapho-lunate advanced collapse (a SLAC lesion) occurs with a chronic:

When multiple previous skin incisions are encountered on performing a total knee arthroplasty, it has traditionally been recommended that the most lateral incision be used. How much should be the minimal skin bridge be, between incisions to avoid postoperative skin complications… At least

At what ankle-brachial index should it be, to request a vascular consult, prior to a Total Knee Arthroplasty:

If you should decide to use a tourniquet while performing a total knee arthroplasty in an elderly patient, when would be the best time to do so:

Proximal elevation of the joint line in Total Knee Arthroplasty leads to:

Patellar maltracking can result from:

The main purpose of reducing the posterior slope angle in Total Knee Arthroplasty, would be that:

Patients who have undergone a previous patellectomy are most likely to have least!

Over-resection of the anterior condyles of the knee in a Total Knee Arthroplasty, may result in:

Integrity of the popliteus tendon in a Total knee arthroplasty, helps maintain:

Anteroposterior stability, following a Total Knee Arthroplasty depends on:

Which of the following would result “most” in asymmetry of the flexion space, in a Total Knee Arthroplasty:

The Sciatic buttress is:

Most dislocations of the hip that follow a fractured acetabulum, are in the:

The Iliac 45 degree (Judet) view of the acetabulum demonstrates best:

In accordance with the Judet elementary classification of acetabular fractures, which of the following does not apply to the elementary form?

Heterotopic ossification is least seen in:

Infantile idiopathic scoliosis has been reported to be associated with:

In progressive infantile scoliosis, the rib vertebral angle difference should be more than:

Patients diagnosed to have either infantile or even juvenile scoliosis should have a:

An atypical pattern of thoracic curve presentation, is an indication for:

Which of the following vertebrae are most rotated in a idiopathic major scoliotic curve:

Rotation of a vertebra is assessed based on the radiographic appearance of the vertebral pedicle shadow in reference to the lateral margins of the vertebral body. This is known as the:

The vertebra bisected by the central sacral line is known as the:

Curves measuring 50° to 75° in scoliosis, at maturity progress steadily at a rate of approximately:

Which of the following braces is not used in patients with idiopathic scoliosis:

Which of the following nerves does not supply the elbow joint:

In shoulder arthroscopy the posterior portal landmark is:

In the posterior portal of the shoulder during arthroscopy, its route is usually through:

The structures likely to be injured while performing the posterior portal in shoulder arthroscopy, is or are:

The anterior portal during shoulder arthroscopy is located:

The structures liable to be injured while using the superior portal in shoulder arthroscopy is or are:

While going through the posterior portal with the sheath of the arthroscope, which structure should you aim for to be sure that you are entering the joint along a right path:

While performing shoulder arthroscopy, one notices an area of bare bone with multiple fenestration’s on the posterolateral aspect of the humeral head, between the capsular insertion and articular lining of the head. This is most probably due:

On arthroscopy of the shoulder which of the following findings will confirm the diagnosis of shoulder instability:

If following shoulder a patient is found to develop neuropraxia of the brachial plexus. This could be most likely due to:

The most common cause of shoulder instability is:

Which of the following terms best describes an apical vertebra?

If a child were to have a congenital scoliotic curve, should one, were to choose surgical correction, which of the following investigations is most indicated, to avoid any complications following the surgical correction?

Which of the following conditions is known to be associated with laborers involved in drilling and vibration movements of the wrist?