Introduction to Cancer: Oncogenesis and Tumour Development
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Questions and Answers

What is the main characteristic of cancer cells?

  • They remain dormant
  • They multiply indefinitely (correct)
  • They have reduced mobility
  • They die off quickly
  • Why is cancer usually fatal if untreated?

  • The cells remain dormant
  • The cells have reduced mobility
  • The cells die off rapidly
  • The cells invade underlying tissue (correct)
  • How many people die from cancer globally every year?

  • 10 million
  • 6 million (correct)
  • 1 million
  • 3 million
  • What percentage of men are expected to get cancer at some stage of their life?

    <p>50%</p> Signup and view all the answers

    What is the main cause of cancer according to the text?

    <p>Genetic mutation</p> Signup and view all the answers

    Which term best describes the unregulated proliferation of cells causing either a solid tumour or other abnormal conditions?

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

    What type of cancer was most common in terms of new cases in 2020?

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

    Which type of cancer caused the most deaths in 2020?

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

    Approximately how many children develop cancer each year?

    <p>400,000</p> Signup and view all the answers

    Which type of tumor arises from the sciatic nerve?

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

    What is the characteristic of the growth rate of benign tumors?

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

    Which term refers to any benign tumor projecting from surface epithelium?

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

    What is the meaning of the term 'Adenoma'?

    <p>Benign tumor of epithelial tissue with glandular origin</p> Signup and view all the answers

    'Sarcoma' refers to a malignant tumor of which primary tissue?

    <p>(Osteo) connective tissue</p> Signup and view all the answers

    Study Notes

    Characteristics of Cancer Cells

    • Cancer cells are characterized by unregulated proliferation, causing solid tumors or other abnormal conditions.

    Cancer Mortality Rate

    • Approximately 10 million people die from cancer globally every year if left untreated.

    Cancer Prevalence

    • It is estimated that 45% of men will develop cancer at some stage in their life.

    Causes of Cancer

    • The main cause of cancer is not specified in the text, as it can be caused by various factors.

    Types of Tumors

    • The term that best describes the unregulated proliferation of cells is neoplasia.
    • The most common type of cancer in terms of new cases in 2020 is not specified in the text, but it varies by region and demographic.

    Cancer Mortality

    • The type of cancer that caused the most deaths in 2020 is not specified in the text, but it varies by region and demographic.

    Pediatric Cancer

    • Approximately 15,000 to 20,000 children develop cancer each year.

    Tumor Types

    • A schwannoma is a type of tumor that arises from the sciatic nerve.
    • Benign tumors are characterized by a slow growth rate.
    • A polyp is a benign tumor that projects from the surface epithelium.
    • An adenoma is a benign tumor originating from glandular tissue.
    • A sarcoma is a malignant tumor of connective tissue.

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    Description

    This quiz covers the process of oncogenesis, the development of tumours, malignancy, angiogenesis, metastasis, and various types of cancer. It is recommended reading for Chapter 10 Neoplastic Disease by Crowley and complements the lecture on Introduction to Human Disease. Access the recorded lecture through the provided link.

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