Arab Orthopaedic Board MCQs - Part 33

Which of the following tendons is the source of the deforming force, in the Bennett’s fracture:

The xray shown below is most likely, which of the following fractures:

A test that can be useful to determine whether a varus hindfoot is the primary problem or if it is secondary to forefoot valgus or a dropped first ray, would be:

The peroneal tubercle and retromalleolar groove are best evaluated with which of the following xray views of the foot:

Following an inversion injury of the ankle, radiographs taken revealed a small avulsion fracture of the lateral malleolus. This has been termed a:

A forty eight year old active male has narrowing of the medial joint line with a 5 degree varus deformity of the knee joint, on full weight bearing AP views. The most likely indicated surgical procedure, should it be performed, would be:

What would the minimal knee contracture and range of motion of the knee be acceptable for a high tibial osteotomy to be successful:

The most acceptable explanation why a varus osteotomy of the knee should be performed in the distal femur for correction of a valgus knee, would be:

Which of the following lesions is the most common malignant soft tissue tumor, to occur in the hand:

Which of the following malignant soft tissue tumors, has the highest rate of local recurrence following excision, when in the hand:

The spinal column consists of:

The ideal location for insertion of screws and platein the occipital area, would be:

Which of the following vertebrae are considered atypical vertebrae:

Bony ridges that extend upward from the lateral margin of the superior surface of the vertebral body, are known as:

The spinous process originates in the midsagittal plane at the junction of the lamina and is bifid between:

The dens has an anterior articular surface for articulation with the anterior arch of C1 as well as a posterior articular surface for articulation with the transverse ligament. Both zones consist of what type of cartilage:

Hyperflexion or hyperextension injuries may subject the axis to shear stresses. This could lead to a fracture through what region of the axis:

Normal adult and childhood measurements concerning the atlanto-dens interval would be:

A long non-bifid spinous process is typically found in the:

At which of the following levels does the foramen transversarium not often contain a vertebral artery:

Which of the following structures does not play a role in cervical spine rotation?

Which of the following ligaments restrict rotation at the occipital-cervical junction:

A ligament that extends from the posterior aspect of C2 body to the anterior part of foramen magnum and occiput, would be:

Which of the following ligaments does not hold the dens firmly against the anterior arch of the atlas?

The typical cervical facet joints are oriented in the sagittal and the coronal plane by what angle in each, respectively:

Flexion and extension of the cervical spine are greatest at the:

The uncinate process or synovial joint of Lushka, unique to the cervical spine, serves as a:

Which of the following substances is present in the nucleus pulposus that bind large amounts of water:

Infantile idiopathic scoliosis differs from adolescent idiopathic scoliosis in that:

Infantile idiopathic scoliosis differs from adolescent idiopathic scoliosis in that: a.

All the following are associated with infantile idiopathic scoliosis except:

The rib vertebral angle is determined by:

The rib vertebral angle difference is calculated by:

It has been proven that sleeping in which of the following positions has been associated with a lower incidence of infantile idiopathic scoliosis:

The vertically expandable prosthetic titanium rib (VEPTR) is indicated in:

Posterior spinal instrumentation and fusion are not recommended in infantile idiopathic scoliosis due to:

A female diagnosed to have idiopathic adolescent scoliosis is strongly advised to have an MRI when:

The top and bottom vertebra that tilt maximally into the concavity of the curve are termed:-

The apical vertebra are:

The ossification of the iliac apophysis is know as:

A nonstructural curve is known to be a:

All the following concerning a lipoma are true Except:- a. It is composed of mature adipocytes b. Consists of uniform nuclei identical to cells of normal adult fat c. The nuclei are round in shape and central in location d. The most common benign soft tissue tumor e. Incidence in males and females are equal

A soft tissue that has high signal on T1, T2 intermediate, low signal with fat suppression and minimal or no enhancement gadolinium is most likely a: a. Lipoma b. Neurofibroma c. Schwanoma d. Hemangioma e. Myoma

In a lipoma the signal intensity on MRI is: a. Increased with respect to subcutaneous fat b. The same as subcutaneous tissue c. Is decreased when compared to subcutaneous tissue d. Changes with the chronicity of the lipoma e. Is very variable and both should not be compared

An Intramuscular Lipoma is known mainly by being more: a. Fibrous b. Cellular c. Nonuniform sizes of the fat cells d. More necrosis than the ordinary lipoma e. More calcification

27-[ ] Which of the following is an important factor in performing a proper biopsy?

What is the most common location for localized pigmented villonodular synovitis (PVNS) to occur?

What are the four most common soft-tissue sarcomas to spread via the lymph node system?

During a retroperitoneal approach to the L4-5 disk, what structure must be ligated to safely mobilize the common iliac vessels toward the midline laterally and gain exposure?

The injection shown in Figures A and B below would most benefit a patient who reports which of the following symptoms?