Arab Orthopaedic Board MCQs - Part 13

The segmental anteroposterior diameter as well as the volume of the cervical spinal canal have been found to be reduced in:

Retrolisthesis of which of the following levels in the cervical spine could accentuate cord compression in elderly individuals with myelopathy:

Pain in the posterior neck muscles that is worsened by flexion of the head suggests: A discogenic component It is referred from the heart It is referred from the lungs A myofascial etiology It is referred from the abdominal viscera

Pain in the posterior aspect of the neck that is aggravated by extension and especially by rotation of the head to one side suggests: A discogenic component It is referred from the heart It is referred from the lungs A myofascial etiology It is referred from the abdominal viscera

Neck pain with fever, weight loss, or non-mechanical neck pain may point to a: Rheumatoid spondylitis Tumor Disc calcification Myofascial etiology Heart pathology

The symptoms of cervical radiculopathy that are aggravated by extension or lateral rotation of the head to the side of the pain is known as:

A ”finger escape sign” is:

A hyperactive scapulohumeral reflex is in favor of which of the following statements:

Tapping of the spine of the scapula or acromion results in scapular elevation and/or abduction of the humerus is known as:

By dividing the anteroposterior diameter of the spinal canal by the anteroposterior diameter of the vertebral body, is known as:

What should the value of the Pavlov ratio be, to make the diagnosis of spinal stenosis:

Translation of the cervical vertebra >3.5 mm and relative sagittal plane angulation of >11° is indicative of:

In the evaluation of a patient suspected to have cervical myelopathy computed tomography myelography may be preferable to magnetic resonance imaging because of all, except:

An MRI that shows a combination of low signal intensity on T1-weighted images and high signal intensity on T2-weighted images indicates all the following, except:

The pedicle diameter at the level of T4 is:

The pedicle diameter at the level of L5 is:

Besides C2 pedicle at what other level of the cervical spine, was the pedicle also of a larger diameter, than all other cervical vertebrae that would allow a pedicle screw:

Which of the following cervical pedicles is the diameter, the smallest:

At what level of the cervical spine is the vertebral artery least at risk while inserting a pedicle screw:

The widest pedicle in the sagittal plane is at:

Most pedicle fractures related to screw insertion occur:

The artery of Adamkiewicz is the largest of feeders of the lumbar cord. It is most commonly located at which of the following levels:

The blood supply to the spinal cord is rich, but the spinal canal is narrowest and the blood supply is poorest at:

A large and complex venous channel extending from the base of the skull to the coccyx, that communicates with the superior and inferior vena cava system and azygous system, would be:

During anterior spinal surgery all the following principles are followed except:

Pediatric trigger thumb after the age of three years is best treated by:

Rhabdomyosarcoma is a primary malignant tumor derived from:

With the development of electron microscopy and immunohistochemical techniques, more precise identification of striated myofibrils became possible in cases that were diagnosed to be Rhabdomysarcoma which allowed change of the diagnosis to:

Rhabdomyosarcoma accounts for what percent of all adult soft tissue sarcomas:

All the following statements apply well to Rhabdomyosarcoma, except:

In Rhabdomyosarcoma there is an associated chromosomal abnormality with translocation between:

An intramuscular mass in a child is highly suggestive of a:

All the following are the predisposing conditions, may lead to a Septic Arthritis except?

Which of the following joints is most commonly involved with septic arthritis?

All the following statements stand true for the clinical presentation in septic arthritis, Except:

Which of the following statements concerning septic arthritis, does not apply to a Neonates:

In young adults which of the following organisms is known to cause septic arthritis besides staph aureus?

Which of the following primary bone tumors is least confused with a chondroblastoma?

In which of the following pathologic specimens one often sees a “chicken wire” appearance on viewing different microscopic fields?

Unicompartmental Knee Arthroplasty is contraindicated in all of the following situations except:

A mobile, meniscus bearing Oxford Unicompartmental knee Arthroplasty has been complicated most by which of the following:

Which of the following, has been noted to be least associated with a Unicompartmental knee Arthroplasty when strict indications have been applied?

In Grade II and III open tibial fractures the best and most acceptable prophylactic antibiotic therapy, would be:

A patient presents to the Emergency Room having sustained a severe compound fracture of the tibial shaft, that resulted from a fallen wall, during the bombardment that occurred in the recent (2006) Lebanese-Israeli war; which of the following antibiotics should be added to the accepted prophylactic regimen?

Lateral and anteroposterior views usually are sufficient to rule out a fracture in the elbow, with the exception of:

If radiographic examination in a child between four and eight years of age, following an injury to the elbow, reveals a bony structure in the region of the trochlea, most probably is in favor of:

If a line were drawn along the longitudinal axis of the proximal radius, it should pass through the center of:

A line drawn along the anterior margin or cortex of the longitudinal axis of the humeral shaft (lateral view), should pass through:

Normally, the posterior fat pad, which lies deep in the olecranon fossa

The fibrous continuation of the spinal cord below Lumbar 1 vertebra is known as the: