BMS 2 Exam 1
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Questions and Answers

Which term refers to the abnormal mass of autonomous cells?

  • Stroma
  • Oncogene
  • Neoplasia (correct)
  • Histogenesis

    • What is the term for the proliferating neoplastic cells that make up the main tumor?

  • Oncogenes
  • Reactive Stroma
  • Neoplastic Cells (correct)
  • Histogenesis

    • Which part of the neoplasia is made up of blood vessels and connective tissue?

  • Oncogene
  • Histogenesis
  • Parenchyma
  • Reactive Stroma (correct)

    • What is the suffix used for benign tumors?

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

    What type of malignant tumor has a mesenchymal origin?

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

    Which is not an embryological origin of neoplasms?

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

    What are the genes responsible for induction of tumors?

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

    Which of the following is NOT a biological carcinogen?

    <p>Nickel compounds</p> Signup and view all the answers

    What is the main role of a tumor suppressor gene?

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

    Which virus is a chief suspect of cervix cancer?

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

    Which factor is considered an endogenous factor that can contribute to cancer development?

    <p>Reactive oxygen radicals</p> Signup and view all the answers

    What is the commonly accepted basis of the pathogenesis of cancer?

    <p>Mutation and disturbance of gene expression</p> Signup and view all the answers

    Which of the following is a physical carcinogen?

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

    What is the term for a mutated gene with the potential to cause cancer?

    <p>Proto-oncogene</p> Signup and view all the answers

    Which biological agent is associated with stomach cancer?

    <p>Helicobacter pylori</p> Signup and view all the answers

    What can contribute to the development of cancer when inactivated by mutation?

    <p>Tumor suppressor gene</p> Signup and view all the answers

    What is NOT a role of tumor tissue markers?

    <p>Detect cancer that remains after treatment</p> Signup and view all the answers

    What is the term used to describe the process of cancerous cells traveling to other parts of the body through the blood and lymphatic system?

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

    Which type of neoplasm originates from mesenchymal tissue?

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

    Which tumor is classified as benign and originates from muscle tissue?

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

    Which gene mutation is associated with the inherited condition known as Retinoblastoma?

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

    What is the term used to describe the uncontrolled growth of a group of cells disregarding the normal rules of cell division?

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

    Which type of neoplasm originates from epithelial tissue?

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

    What term describes the abnormal growth of epithelial cells characterized by a loss of cellular uniformity and orientation?

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

    Which of the following structures is part of the Upper Respiratory System?

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

    What is the main function of the Conducting Zone in the respiratory system?

    <p>Filter, warm, and moisten air</p> Signup and view all the answers

    Which part of the lung is primarily responsible for gas exchange between air and blood?

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

    How do changes in the bronchial structure affect lung function?

    <p>Impact airflow into the lungs</p> Signup and view all the answers

    What is the function of alveolar macrophages in the lungs?

    <p>Act as phagocytes to remove dust particles and debris</p> Signup and view all the answers

    Which of the following is a component of the respiratory membrane?

    <p>Capillary endothelium</p> Signup and view all the answers

    What is the thickness of alveoli in the lungs?

    <p>0.5µm</p> Signup and view all the answers

    Where do bronchial arteries branch from and what is their main function?

    <p>Branch from the aorta, deliver oxygenated blood to the lungs</p> Signup and view all the answers

    What type of epithelium is present in the smaller bronchioles?

    <p>Nonciliated simple cuboidal epithelium</p> Signup and view all the answers

    Which lung membrane covers the walls of the thoracic cavity?

    <p>Parietal Pleura</p> Signup and view all the answers

    Which type of alveolar epithelial cells are considered the main site for gas exchange?

    <p>Type I Alveolar Cells</p> Signup and view all the answers

    As the amount of cartilage decreases in the bronchioles, what increases?

    <p>Smooth muscle presence</p> Signup and view all the answers

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