TOTW #13 - Orthopaedics Start QuizPage 1 of 24 Which one of the following is false regarding Gustilo-Anderson classification of open fractures? Type 1 fracture has a wound less than 1cm in length Type 2 fracture is associated with periosteal stripping Type 3b injuries often have inadequate bone coverage, requiring surgical reconstruction procedures Type 3c injuries involve vascular compromise requiring surgical repair Page 2 of 24 Which of the following is the most common causative pathogen in osteomyelitis? Staphylococcus epidermidis Streptococcus pyogenes Pseudomonas aeruginosa Staphylococcus aureus Page 3 of 24 Which one of the following is the most sensitive imaging study for osteomyelitis ? Bone x-ray MRI with and without IV gadolinium CT with and without contrast Bone scintigraphy Page 4 of 24 Features of chronic osteomyelitis on x-ray include all except: Bone sclerosis Sequestration formation Periosteal reaction Marrow fibrosis Page 5 of 24 Which of the following roots of the brachial plexus are injured when a patient presents with Erb’s palsy (waiter’s tip deformity)? C5-C7 C5-T1 C8-T1 C7-T1 Page 6 of 24 A 15-year-old boy with a mass on the shaft of the tibia complains of pain in the lower limb and fever. After biopsy, the histopathology report shows small round cells. The most likely diagnosis is? Osteochondroma Giant cell tumor Osteosarcoma Ewings sarcoma Page 7 of 24 Which of the following fractures is prone to non-union if managed conservatively? Intracapsular femoral neck fracture Scaphoid Lower third of tibia Proximal humerus Page 8 of 24 The most common complication of inter-tronchanteric fracture is? Avascular necrosis of femoral head Malunion Non-union Compartment syndrome Page 9 of 24 All are features of tuberculosis of the spine except? Gibbus deformity Thoracic lordosis Paraplegia Psoas abscess Page 10 of 24 Which of the following is true about Monteggia fractures? Combination of fractures of proximal ulna with dislocation Can be treated conservatively in adults Not an injury of children Combination of fracture of radius with distal radio-ulnar joint dislocation Page 11 of 24 The treatment of choice for a 4-week-old femoral neck fracture in a 55-year-old man is: Open reduction and internal fixation McMurray’s Osteotomy Hemi replacement arthroplasty Total hip replacement Page 12 of 24 In the case of a 65 year old person with a fracture of the neck of the femur, the treatment of choice is: Closed reduction Closed reduction with internal fixation Open reduction Replacement of the head and neck of the femur with a prosthesis Page 13 of 24 Fracture femur in infants is best treated with: Open reduction Closed reduction Intermedullary nailing Gallow’s splinting Page 14 of 24 Traumatic dislocation of the hip is characterized by: Adduction, internal rotation, deformity Abduction, external rotation, deformity Adduction, external rotation, deformity Abduction, internal rotation, deformity Page 15 of 24 A fracture neck femur in a child is best treated by: Spica in abduction Spica in abduction and internal rotation Masterly inactivity Open reduction and internal fixation Page 16 of 24 Which vessel is susceptible to injury in a humeral supracondylar fracture? Axillary artery Subclavian artery Ulnar artery Brachial artery Page 17 of 24 A 33 year old man presented with a slowly progressive swelling in the middle third of his right tibia. X rays revealed multiple sharply, demarcated radiolucent lesions separated by areas of dense and sclerotic bone. Microscopic examination of a biopsy specimen showed an island of epithelial cells in a fibrous stroma. What is the probable diagnosis? Adamantinoma Osteofibrous dysplasia Osteosarcoma Fibrous cortical defect Page 18 of 24 Avascular necrosis of the head of the femur is most likely to occur in: Intertrochanteric fracture Subcapital fracture Subtrochanteric fracture Transcervical fracture Page 19 of 24 Gun stock deformity is seen in: Supracondylar fracture of the humerus Fracture of the fibula Talus fracture Femoral neck fracture Page 20 of 24 Which of the following is not a feature of compartment syndrome? Pain on active stretch Paralysis Paraesthesia Pulselessness Page 21 of 24 Which injury is incorrectly matched with the vessel likely to be injured? Elbow Dislocation- brachial artery Pelvic fracture- internal iliac Knee dislocation- femoral artery First rib fracture- subclavian Page 22 of 24 Which of the organisms is associated with osteomyelitis in sicklers? S. aureus S. typhi N. gonorrhoea S. pyogenes Page 23 of 24 Which of the following classification systems is used for pelvic fractures? Tile Pipkin Garden Pauwels Page 24 of 24 Intracapsular femoral fractures include all of the following except: Subcapital Transcervical Basal Intertrochanteric Multiple Authors | WebsiteTOTW #26 - MicrobiologyTOTW #25 - PsychiatryTOTW #24 - BiochemistryTOTW #23 - Haematology Previous Post A 25-year-old with burns to the face, torso and upper extremities Next Post TOTW #14 - Obstetrics and gynaecology