Fibro-Osseous Lesions and Bone Disorders Quiz
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Questions and Answers

Which gene mutation is involved in fibrous dysplasia?

  • GNAS1 gene mutation (correct)
  • TP53 gene mutation
  • BRCA1 gene mutation
  • RB1 gene mutation

    • What is the defining characteristic of fibrous dysplasia?

  • Replacement of normal bone by fibrous and osseous tissue (correct)
  • Formation of cysts in bone marrow
  • Presence of abnormal calcium deposits in bone
  • Excessive proliferation of osteoblasts

    • In fibrous dysplasia, what type of mutation leads to the involvement of only one bone?

  • Mutation in TP53 gene
  • Mutation in postnatal life (correct)
  • Mutation in prenatal life
  • Mutation in GNAS1 gene

    • What characterizes ossifying fibroma?

    <p>Excessive proliferation of fibrous connective tissue</p> Signup and view all the answers

    Which of the following is not a fibro-osseous lesion?

    <p>Osteosarcoma</p> Signup and view all the answers

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