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

Which virus is associated with Kaposi’s sarcoma?

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

What are tumor markers used for?

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

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

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

What type of substance can be a tumor marker?

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

Which of these is NOT a chemical carcinogen?

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

What role does mutation play in the pathogenesis of cancer?

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

Which of the following is NOT a physical carcinogen?

<p>Arsenic (D)</p> Signup and view all the answers

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

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

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

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

Which type of neoplasm originates from mesenchymal tissue?

<p>Sarcoma (A)</p> Signup and view all the answers

What is the main method of treatment for benign tumors?

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

Which characteristic is typical of malignant tumors?

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

What is the distinguishing factor between benign and malignant tumors?

<p>Metastasis (C)</p> Signup and view all the answers

Which of the following is a mesenchymal tumor?

<p>Fibroma (D)</p> Signup and view all the answers

What is the genetic inheritance pattern associated with retinoblastoma?

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

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

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

What is the main distinguishing feature of anaplastic cells?

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

Which tumor originates from epithelial tissues?

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

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

<p>Degree of differentiation (D)</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 (A)</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 (D)</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 (C)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Neoplasia (C)</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 (D)</p> Signup and view all the answers

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

<p>Neoplastic cells (D)</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 (C)</p> Signup and view all the answers

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

<p>Reactive Stroma (C)</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 (D)</p> Signup and view all the answers

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

<p>Localized precancerous growth (B)</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 (C)</p> Signup and view all the answers

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