Arab Orthopaedic Board MCQs - Part 37

The Best radio-imaging to distinguish between Spinal infection and degenerative disc disease would be:

The axis of rotation of a Chance fracture is:

In Children, the axis of rotation in a Chance fracture is:

A significant reason why one could miss a traumatic spondylolisthesis on a plain lateral x-ray view, would be:

In a type IIa according to the Effendi Classification, is characterized by an:

Which of the following contributes most significantly to the normal sagittal alignment of the lumbar region?

The sacroiliac joint is a:

During anterior surgery in the lumbosacral region, which of the following structures at most risk for injury?

Injury of which of the following structures result in retrograde ejaculation:

At what level is the bifurcation of the aorta located:

What is responsible for the normal kyphosis of the thoracic spine:

At what level is the pedicle diameter least in the thoracic spine?

The pedicle wall in the thoracic spine is thickest in which of the following regions?

At what age does the conus equinus reach the level of the lower end of L1 vertebra?

In patients older than 21 years presenting with a lesion in the vertebral body is most likely a:

The Martin-Gruber anastomosis is a connection between the:

The Guyon’s canal lies between which of the following bones?

Which of the following malignant soft tissue tumors can be quiescent for years and than become aggressive:

Which of the following sarcomas spreads least to lymph nodes? a. Alveolar sarcoma b. Rhabdomyosarcoma c. Synovial cell sarcoma d. Chondrosarcoma e. Epithelioid sarcoma

A soft tissue mass that can be considered a malignancy until proven otherwise would be:

Lactate dehydrogenase levels can be elevated most in the setting of which of the following sarcomas a. Alveolar sarcoma b. Rhabdomyosarcoma c. Synovial cell sarcoma d. Small round blue cell tumors e. Epithelioid sarcoma

Which of the following is considered the imaging modality of choice for localization, characterization, and staging of soft-tissue tumors:

Which of the following substances when used with MRI helps distinguish between cystic and none cystic masses:

PET-CT is useful in the evaluation of soft tissue sarcomas through:

The Bearnese periacetabular osteotomy in the early phases of surgical experience was associated least with:

Which of the following ligaments functions most as the major stabilizer ,of the sternoclavicular joint:

The most common nerve injury following a nondisplaced supracondylar fracture of the elbow would be:

The Duncan Ely test is used to distinguish between:

A Test used to distinguish between a fixed varus deformity and a mobile varus deformity of the subtalar joint, would be:

On examination of a patient diagnosed to have plantar fasciitis, the maximum site of tenderness would be localized to:

Which of the following structures elevates the longitudinal arch most during gait:

A primary gastrocnemius muscle contracture is demonstrated best by which of the following tests:

Calcaneal spurs are localized within which of the following muscles:

Patients with plantar fasciitis, an MRI would show most commonly:

Baxter Nerve Entrapment is when the first branch of the lateral plantar nerve becomes compressed, under which of the following muscles:

Is idiopathic osteonecrosis of the hip in adults secondary only to high doses of corticosteroids alone or other additional factors are involved, as is?

In osteonecrosis of the hip, the motion that is most commonly lost is:

A distinguishing factor between osteonecrosis and transient osteoporosis, would be:

Results of Core decompression of an osteonecrotic hip in several studies was:

Which of the following is not a major risk factor in the production of osteonecrosis of the hip:

Which of the following is not a static stabilizer of the shoulder joint:

In an acute anterior shoulder dislocation, which of the following structures is most important to evaluate for function, in a young adult:

Which of the following radiologic views evaluates best the Hill-Sach’s-lesion:

The transfer of the coracoid process on the side to fill in a defect following recurrent anterior dislocation of the shoulder, is known as the:

A tenodesis of the infraspinatus into a Hill-Sacks defect in the humeral head is known as a:

Throughout the literature, open reduction and locking plate osteosynthesis in 3-part and 4-part fractures of the humeral head, in osteoporotic patients, has been least associated with:

Vascular injuries are more likely to occur after severe displacement and fracture- dislocation of the proximal humerus. These can be best assessed by which of the following investigations:

Which of the following primary sites of a malignant lesion metastasizes most to the spine:

Ossification (capping) of the iliac apophysis informs us of the termination of growth in females, at what stage?

Curves that correct completely when the patient bends toward the convexity of the curve are termed: