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Cancer and Tumor Markers Classification
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Cancer and Tumor Markers Classification

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Questions and Answers

Which type of cancer originates from connective tissue or muscle cells?

  • Melanomas
  • Carcinomas
  • Sarcomas (correct)
  • Leukemia

    • What percentage of all cancer cases reported does Carcinoma represent?

  • 50-60%
  • 80-90% (correct)
  • 20-30%
  • 10-15%

    • Which malignant tumors can be classified as cancers according to the text?

  • Leukemia and Lymphoma (correct)
  • Neuroectodermal tumors and Carcinomas
  • Melanomas and Glioblastomas
  • Myelomas and Sarcomas

    • Which type of cancer cells can invade and damage tissues and organs near the tumor?

    <p>Cancer cells</p> Signup and view all the answers

    From which type of cells are Myelomas derived?

    <p>B lymphocytes or B-cells</p> Signup and view all the answers

    Which classification of cancer cells represents the most common cancer type in human?

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

    What is the role of proteases in cancer cells?

    <p>Facilitate movement of cells through the extracellular space</p> Signup and view all the answers

    What distinguishes benign tumors from malignant tumors?

    <p>Benign tumors can be removed and do not come back</p> Signup and view all the answers

    What is the primary function of tumor markers in diagnosis and treatment?

    <p>To predict the response to therapy</p> Signup and view all the answers

    What is the primary purpose of radiographic techniques in cancer diagnosis?

    <p>To detect the presence and location of mass lesions</p> Signup and view all the answers

    Which method is NOT used to measure tumor markers?

    <p>Radiographic techniques</p> Signup and view all the answers

    What type of antigens are included in the types of tumor markers?

    <p>Cell surface antigens</p> Signup and view all the answers

    Which stage of cancer involves spread to distant sites?

    <p>Stage 4</p> Signup and view all the answers

    What is the ideal characteristic of a tumor marker?

    <p>Specific for</p> Signup and view all the answers

    What is the primary role of membrane modifications in cancer cells?

    <p>Decrease cell-cell interactions and adhesion</p> Signup and view all the answers

    What is a common use of tumor markers in diagnosis and treatment?

    <p>To track the response to therapy</p> Signup and view all the answers

    Sarcomas are derived from muscle cells and represent a small percentage of all cancer cases.

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

    Caricinomas are derived from connective tissue and muscle cells, and they represent about 80-90% of all cancer cases reported.

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

    Lymphoma is derived from white blood cells or their precursors.

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

    Gliomas and glioblastomas are examples of neuroectodermal tumors.

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

    Melanomas are derived from pigment cells in the skin and are considered a form of benign tumor.

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

    Malignant tumors can invade and damage tissues and organs near the tumor, distinguishing them from normal cells.

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

    Benign tumors can spread to other parts of the body.

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

    The primary role of membrane modifications in cancer cells is to increase cell-cell interactions and adhesion.

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

    Tumor markers can only be measured qualitatively and not quantitatively.

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

    Malignant tumors can always be classified as cancers.

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

    Myelomas are derived from connective tissue or muscle cells.

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

    Tumor markers are primarily used for tumor diagnosis and to predict the response to therapy.

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

    Hormones are not included in the types of tumor markers.

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

    Tumor markers are substances produced only by the tumor itself, not by the host in response to the tumor.

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

    Enzyme assays are NOT used as a method to measure tumor markers.

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

    The ideal tumor marker would be specific for only one type of cancer.

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

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