Neoplasia: Histogenesis, Classification, and Genetics BMS CLASS
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Questions and Answers

Which of the following is NOT an environmental factor associated with inducing cancer?

  • UV rays (correct)
  • Diets
  • Arsenic
  • Tobacco
  • What is the first discovered retro-virus causing cancer?

  • Human papilloma virus
  • Rous sarcoma virus (RSV) (correct)
  • Hepatitis B virus
  • Epstein-Barr Virus
  • Which of the following is NOT a biological carcinogen?

  • UV rays (correct)
  • Human papilloma virus (HPV)
  • Hepatitis B virus
  • Nickel compounds
  • What is the role of a tumor suppressor gene?

    <p>Regulate cell division</p> Signup and view all the answers

    Which virus is associated with Kaposi’s sarcoma?

    <p>Cytomegalovirus (CMV)</p> Signup and view all the answers

    What are tumor markers used for?

    <p>Estimate prognosis</p> Signup and view all the answers

    Which of the following is an endogenous factor associated with inducing cancer?

    <p>Immune system defects</p> Signup and view all the answers

    What type of substance can be a tumor marker?

    <p>(HPV) human papilloma virus</p> Signup and view all the answers

    Which of these is NOT a chemical carcinogen?

    <p>UV rays</p> Signup and view all the answers

    What role does mutation play in the pathogenesis of cancer?

    <p>Affects gene expression</p> Signup and view all the answers

    Which of the following is NOT a physical carcinogen?

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

    What does a proto-oncogene do before it becomes mutated?

    <p>Regulates normal cell division</p> Signup and view all the answers

    Which of the following is NOT a characteristic of benign tumors?

    <p>May invade surrounding tissue</p> Signup and view all the answers

    Which type of neoplasm originates from mesenchymal tissue?

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

    What is the main method of treatment for benign tumors?

    <p>Surgical removal</p> Signup and view all the answers

    Which characteristic is typical of malignant tumors?

    <p>Irregular borders</p> Signup and view all the answers

    What is the distinguishing factor between benign and malignant tumors?

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

    Which of the following is a mesenchymal tumor?

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

    What is the genetic inheritance pattern associated with retinoblastoma?

    <p>Autosomal dominant</p> Signup and view all the answers

    Which of the following is NOT an etiological agent that induces cancer?

    <p>Hormonal imbalance</p> Signup and view all the answers

    What is the main distinguishing feature of anaplastic cells?

    <p>Pleomorphism and hyperchromatic nuclei</p> Signup and view all the answers

    Which tumor originates from epithelial tissues?

    <p>Basal cell carcinoma</p> Signup and view all the answers

    What is the key factor used to classify tumors as benign or malignant?

    <p>Degree of differentiation</p> Signup and view all the answers

    Which of the following is a possible method of treatment for malignant tumors?

    <p>A combination of therapies including surgery, radiotherapy, and chemotherapy</p> Signup and view all the answers

    Which term refers to various types of growths including non-cancerous or benign tumors, precancerous growths, carcinoma in situ and malignant or cancerous tumors?

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

    What is the term used for the supportive stroma that is made up of blood vessels and the connective tissue in neoplasia?

    <p>Reactive Stroma</p> Signup and view all the answers

    What suffix is commonly used for benign tumors such as lipoma, hemangioma, adenoma, lymphangioma, and myoma?

    <p>-oma</p> Signup and view all the answers

    What does the term 'neoplasia' suggest by its etymology?

    <p>New formation</p> Signup and view all the answers

    Which term refers to the mass that developed due to abnormal cell or tissue growth?

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

    What are the two basic components of neoplasia according to the text?

    <p>Proliferating neoplastic cells and reactive stroma</p> Signup and view all the answers

    What is the term for a mass of autonomous cells in neoplasia?

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

    What is the term used for the classification of neoplasms based on their type and behavior?

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

    In neoplasia, what does the term 'silent collaborator' refer to?

    <p>Reactive Stroma</p> Signup and view all the answers

    Which term is used for a mass that developed due to abnormal cell or tissue growth?

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

    In neoplasia, what does the term 'carcinoma in situ' refer to?

    <p>Localized precancerous growth</p> Signup and view all the answers

    What is the term used for the genetic study of neoplasia and its causes?

    <p>Genetics of neoplasia study</p> Signup and view all the answers

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