Orthopaedics surgery MCQ 35+

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• Characteristic radiological features of osteoarthritis
  ক

  Subchondral sclerosis

  খ

  Loss of joint space

  গ

  Subchondral bone cyst

  ঘ

  Osteophyte formation

  ঙ

  Periarticular osteoporosis
• Bow legs may occur in
  ক

  Osteoporosis

  খ

  Rickets

  গ

  Blount's disease

  ঘ

  Trauma

  ঙ

  Bone tumour
• ATLS guideline constiutes ABCDE of trauma
  ক

  A- stands for airway

  খ

  C- Stands for circulation

  গ

  E- stands for exposure

  ঘ

  B- stands for bleeding

  ঙ

  D- stands for disorder
• Characteristics of multiple myeloma
  ক

  ESR is usually raised

  খ

  Osteolytic lesions are common

  গ

  Bence-jones proteinuria may be present

  ঘ

  Hypercalcaemia may be absent

  ঙ

  Serum alkaline phosphatase is usually elevated
• Regarding Ewing's sarcoma
  ক

  The patient presents with pain and swelling.

  খ

  Chemotherapy has a dramatic effect on the tumour.

  গ

  Arises from endothelial cells in the bone marrow.

  ঘ

  It occurs commonly at 6th decade.

  ঙ

  Microscopically the tumour is lobulated

  চ

  and often fairly long.
• Following are the classic features of osteosarcoma
  ক

  Commonest bone tumour

  খ

  Typically occurs at metaphyseal ends of long bones

  গ

  Lesion is frequently associated with periosteal elevation

  ঘ

  An extra osseous soft tissue component to the tumor is common

  ঙ

  Occurs at 4th and 5th decade of life
• Osteosarcoma
  ক

  Is a highly malignant bone tumour

  খ

  Is more common in 2nd decade

  গ

  Is sensitive to usual chemo and radiotherapy

  ঘ

  Arises from osteocyte cell

  ঙ

  Is more common in epiphyseal region
• Radiological features of osteosarcoma are
  ক

  Presence of Codman's triangle

  খ

  Sun ray spicule

  গ

  May be associated with pathological fracture

  ঘ

  Soap bubble appearance

  ঙ

  Cut onion appearance
• Common sites of pressure sore are
  ক

  Sacrum

  খ

  Finger

  গ

  Coccyx

  ঘ

  Face

  ঙ

  Hips
• Pressure sore occurs in the following body parts
  ক

  Heel

  খ

  Ischium

  গ

  Occiput

  ঘ

  Sacrum

  ঙ

  Tibia
• Primary malignancy of the following organs can give rise to bony metastasis
  ক

  Prostate

  খ

  Breast

  গ

  Kidney

  ঘ

  Colon

  ঙ

  Skin
• Common sites of metastatic deposits in skeletal system are
  ক

  Vertebral bodies

  খ

  Sternum

  গ

  Skull

  ঘ

  Tibia

  ঙ

  Phalanges
• Common sites of bone metastasis include
  ক

  Pelvis

  খ

  Ribs

  গ

  Upper end of humerus

  ঘ

  Below knee

  ঙ

  Lower end of femur
• Common sites of bone metastasis from carcinoma prostate are
  ক

  Upper end of femur

  খ

  Vertebrae

  গ

  Carpal bones

  ঘ

  Radius and ulna

  ঙ

  Upper end of humerus
• Tumors which metastasize to the bones include
  ক

  Carcinoma of the thyroid

  খ

  Carcinoma of the breast

  গ

  Carcinoma of the prostate

  ঘ

  Renal cell carcinoma

  ঙ

  Choriocarcinoma
• Skeletal metastasis occur from the followings primary tumors
  ক

  Carcinoma of the breast

  খ

  Carcinoma of the prostate

  গ

  Renal cell carcinoma

  ঘ

  Adenocarcinoma of the gall bladder

  ঙ

  Choriocarcinoma of the placenta
• Common sites of bone metastasis
  ক

  Vertebral column

  খ

  Proximal femur

  গ

  Proximal humerus

  ঘ

  Distal tibia

  ঙ

  Distal forearm
• The following tumours produce osteoblastic metastasis
  ক

  Breast

  খ

  Prostate

  গ

  Kidney

  ঘ

  Bronchus

  ঙ

  Thyroid
• Following shows Codman's triangle in x-ray
  ক

  Osteoclastoma

  খ

  Osteosarcoma

  গ

  Osteomyelitis

  ঘ

  Ewing's sarcoma

  ঙ

  Chondroma
• Radiological features of malignant bone tumours
  ক

  Irregular

  খ

  indistinct margin

  গ

  Moth eaten bone destruction

  ঘ

  Often with sun-rays appearance

  ঙ

  Uninterrupted periosteal reaction

  চ

  Geographic bone destruction
• Regarding bone tumors
  ক

  Commonest primary malignant bone tumors are osteosarcomas

  খ

  Benign giant cell tumors usually arise from epiphyseal end of a long bone.

  গ

  Osteoid osteoma is the commonest benign bone tumor.

  ঘ

  Ewing's sarcoma usually arises from anywhere of growing skeleton.

  ঙ

  Multiple myelomas are the most common primary malignant bone tumour
• Open fracture is dangerous as
  ক

  It causes infection

  খ

  It may cause gas gangrene

  গ

  It causes non union

  ঘ

  It produces exuberant callus

  ঙ

  It causes early bone union
• Open fracture causes
  ক

  Infection

  খ

  Tetanus

  গ

  Delayed union

  ঘ

  Non union

  ঙ

  Early bone union
• Primary malignant bone tumours
  ক

  Osteosarcoma

  খ

  Chondrosarcoma

  গ

  Giant cell tumours

  ঘ

  Brown tumours

  ঙ

  Osteoid osteoma
• Primary malignant bone tumours are
  ক

  Osteosarcoma

  খ

  Chondrosarcoma

  গ

  Osteoclastoma

  ঘ

  Brown tumour

  ঙ

  Osteoid osteoma
• The following bone tumours are malignant
  ক

  Multiple myeloma

  খ

  Osteosarcoma

  গ

  Osteochondroma

  ঘ

  Osteoid osteoma

  ঙ

  Osteoclastoma
• Malignant tumours of bone include
  ক

  Chondrosarcoma

  খ

  Ewing's tumor

  গ

  Osteosarcoma

  ঘ

  Exostosis

  ঙ

  Osteoid osteoma
• Malignant bone tumors are
  ক

  Chondrosarcoma

  খ

  Ewing's sarcoma

  গ

  Osteosarcoma

  ঘ

  Exostosis

  ঙ

  Osteoid osteoma
• Malignant tumors of bone include
  ক

  Multiple myeloma

  খ

  Osteosarcoma

  গ

  Ewing's sarcoma

  ঘ

  Giant cell tumor

  ঙ

  Fibrous dysplasia
• Benign bone tumours arc
  ক

  Osteoid osteoma

  খ

  Osteochondroma

  গ

  Chondroblastoma

  ঘ

  Osteosarcoma

  ঙ

  Multiple myeloma