Understanding Cancer Cell Differentiation and Tumor Markers
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Understanding Cancer Cell Differentiation and Tumor Markers

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Questions and Answers

What is the significance of cells looking more abnormal in cancer?

  • Has no impact on cancer progression.
  • Indicates a more aggressive cancer and faster growth and spread. (correct)
  • Indicates a less aggressive cancer and slower growth and spread.
  • Leads to a stationary phase in cancer growth.
  • In tumor grading, what does G1 represent?

  • Undifferentiated or most abnormal cells.
  • Moderately differentiated cells.
  • Poorly differentiated cells.
  • Well-differentiated or more normal cells. (correct)
  • What are tumor markers used for?

  • To predict patient survival after treatment.
  • To replace diagnostic tests for cancer.
  • To define tumor stages only.
  • To monitor response to treatment and detect recurrence. (correct)
  • Which of the following is NOT a key risk factor that can be modified to prevent cancer?

    <p>Exposure to urban air pollution.</p> Signup and view all the answers

    What is the purpose of the TNM classification system in cancer?

    <p>To stage the cancer based on tumor, nodal involvement, and metastasis.</p> Signup and view all the answers

    Why is it essential to get vaccinated against hepatitis B and HPV for cancer prevention?

    <p>To reduce the risk of liver and cervical cancer respectively.</p> Signup and view all the answers

    What is the purpose of TNM classification in cancer?

    <p>To classify tumors based on their size, regional lymph node involvement, and presence of distant metastasis</p> Signup and view all the answers

    In tumor grading, what does the degree of cell differentiation refer to?

    <p>How closely the cancer cells resemble normal cells under a microscope</p> Signup and view all the answers

    Which stage of cancer indicates that the tumor has spread to distant parts of the body?

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

    How do cancer cells differ from normal cells with respect to blood vessel growth?

    <p>Cancer cells instruct blood vessels to grow towards tumors</p> Signup and view all the answers

    What is the purpose of tumor markers in cancer diagnosis?

    <p>To help in screening, diagnosing, and monitoring cancer</p> Signup and view all the answers

    What role does the immune system play in the progression of cancer cells?

    <p>The immune system protects cancer cells from the tumor itself</p> Signup and view all the answers

    Which of the following is the most accurate description of tumor staging?

    <p>The process of determining the advancement of a tumor based on its size, location, and spread</p> Signup and view all the answers

    Which statement best describes tumor grading?

    <p>The process of determining the malignancy of a tumor based on its appearance under a microscope</p> Signup and view all the answers

    Which of the following is a key aspect of cancer progression?

    <p>The process of cancer cells becoming more resistant to treatment</p> Signup and view all the answers

    In TNM classification, what does the 'N' stand for?

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

    What is the role of tumor markers in cancer diagnosis?

    <p>They are used to confirm the diagnosis of a specific type of cancer</p> Signup and view all the answers

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