Arab Orthopaedic Board MCQs - Part 35

Synovial fluid is produced by which of the following cells of the synovium:

Synovial fluid is made up of all EXCEPT:

A joint is diagnosed to be degenerative, all the following statements concerning it, are true, EXCEPT:

Which of the following in the list below has not been associated with a Charcot joint:

Which of the following conditions listed below can lead to a Charcot joint:

All the following are major Jones criteria for acute rheumatic fever, EXCEPT:

All the following are minor Jones criteria for acute rheumatic fever, EXCEPT:

All the following arthropathies are characterized by positive HLA-B27 and negative rheumatoid factor, EXCEPT:

A condition that presents with fever, butterfly malar rash, pan cytopenia, pericarditis, nephritis and polyarthritis and the joint destruction is not as destructive as rheumatoid arthritis is most likely:

The thick filament of the sarcomere consists of mainly:

The thin filament of the sarcomere consists of:

All the following are true concerning isotonic contraction of muscle, EXCEPT:

The pseudo fracture’s (looser’s zone) that occurs in osteomalascia, occurs mainly on the:

The pseudo fracture’s (looser’s zone) that occurs in osteogenesis imperfecta occurs mainly on the:

Type II osteoporosis is known as:

The osteoporosis associated with hyperparathyroidism, is known as:

Which of the following has been identified in patients with Paget’s disease and could be a possible etiology:

All the following have been associated with Paget’s disease, EXCEPT:

The arthritis that occurs in patients with Paget’s disease may occur as a result of all, EXCEPT:

Which of the following conditions is most likely to be associated with an enlarged vertebral body:

Which of the following muscles does not originate from the medial epicondyle:

Which of the following muscles does not originate from the lateral epicondyle:

The anterior bundle of the medial collateral ligament of the elbow is:

Which of the following statements does not apply to the radial nerve:

The medial column of the distal humerus diverges from the central humeral axis at an angle of:

The lateral column of the distal humerus diverges from the central humeral axis at an angle of:

The distal articular surface of the elbow lies in how much of valgus:

The distal articular surface of the elbow lies in how much of external rotation to the central axis of the humerus:-

The capitellum and trochlea are translated anteriorly relative to the humeral diaphysis, creating an angle between the central humeral axis and the distal articular segment of:-

The greatest exposure of the articular surface following a distal humeral intraarticular fracture would be:

Treatment of supracondylar fractures of the elbow is complex and difficult, due, mainly to all except:

The distinguishing feature and size that distinguishes an osteoid osteoma from an osteoblastoma would msbe:

The chromosomal alteration that involve the genes controlling osteogenesis and are implicated to have a role in the development of several solid malignancies are:

Osteoid osteomas are common lesions that account for about what percent of all benign bone tumors:

Osteoid osteoma occurs least in which of the following bones:

Enclosed are x-rays and a pathologic specimen of a lesion within bone. What is your most likely diagnosis?

Which of the following lesions which when exists close to a physis often leads to a leg length discrepancy:

High levels of which of the following substances have been found to be present within the nidus of an osteoid osteoma:

All the following enter the differential diagnosis of an osteoid osteoma except:

Reported success rates for treatment by thermocoagulation with radiofrequency electrodes have ranged between:

When Osteoid osteoma involves the spine, it is most commonly located in which of the following locations:

All are virtually essential for early detection of a nidus except: a. Bone scintigraphy

which of the following conditions is occasionally associated with an aneurysmal bone cyst?

Tumors that are characterized microscopically by the presence of so-called epithelioid osteoblasts are known to be:

Aggressive osteoblastomas has been associated with wish of the following conditions?

All the following are findings of an epithelioid osteoblast except:

Which of the following tumors has been associated with Gardner’s syndrome

The motion segment, or functional spinal unit of the spine, comprises:

The majority of vertical compressive loads on the spine is received by:

The horizontal trabeculae within the vertebral body: