Cancer Concepts
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Questions and Answers

What is a characteristic of neoplastic cells?

  • They are typically benign
  • They are always malignant
  • They follow physiologic demand
  • They exhibit uncontrolled growth (correct)
  • What is the term for a disease process where cells proliferate abnormally, ignoring growth-regulating signals?

  • Cancer (correct)
  • Benign tumor
  • Neoplasia
  • Leukemia
  • Which type of cancer originates in epithelial tissue?

  • Sarcoma
  • Leukemia
  • Lymphoma
  • Carcinoma (correct)
  • What is the term for a tumor that is not cancerous?

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

    Which type of cancer originates in the skin?

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

    What is the term for a tumor that affects fat tissue?

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

    Why are repeated doses of chemotherapy administered over a prolonged period?

    <p>To achieve regression of the tumor</p> Signup and view all the answers

    What is a common side effect of chemotherapy that can persist for 24-48 hours after administration?

    <p>Nausea and vomiting</p> Signup and view all the answers

    What is a potential effect of chemotherapy on the bone marrow?

    <p>Bone marrow depression</p> Signup and view all the answers

    What is the goal of chemotherapy treatment?

    <p>Eradication of enough tumor cells so that the remaining cells can be destroyed by the body's immune system</p> Signup and view all the answers

    What is a sign of myelosuppression secondary to chemotherapy administration?

    <p>Leukopenia (decreased WBC count)</p> Signup and view all the answers

    Why is it important to verify a blood return before, during, and after administering chemotherapy through a central venous line?

    <p>Not specified in the text</p> Signup and view all the answers

    What is a common sign of chemotherapy extravasation?

    <p>Swelling, pain or redness at the insertion site</p> Signup and view all the answers

    What is the initial nursing intervention if chemotherapy extravasation is suspected or occurred?

    <p>Immediately disconnect the infusion</p> Signup and view all the answers

    What type of cancer is often treated with bone marrow transplantation?

    <p>Hematologic cancers that affect the marrow</p> Signup and view all the answers

    What is a potential complication of bone marrow transplantation?

    <p>Graft-vs.-host disease</p> Signup and view all the answers

    What is a common nursing diagnosis for patients undergoing chemotherapy?

    <p>Risk for infection</p> Signup and view all the answers

    What is the characteristic of a malignant cell in terms of growth rate?

    <p>Rapid growth with infiltration</p> Signup and view all the answers

    What is a nursing intervention to prevent infection in patients undergoing chemotherapy?

    <p>Assess the patient for evidence of infection</p> Signup and view all the answers

    What is the primary mechanism of metastasis in cancer cells?

    <p>All of the above</p> Signup and view all the answers

    Why should rectal or vaginal procedures be avoided in patients undergoing chemotherapy?

    <p>To prevent infection</p> Signup and view all the answers

    What should be done to minimize infection in patients undergoing chemotherapy?

    <p>Avoid insertion of urinary catheters</p> Signup and view all the answers

    What is the defect in cellular proliferation that occurs in the development of cancer?

    <p>Loss of contact inhibition</p> Signup and view all the answers

    What is the purpose of primary prevention in cancer?

    <p>To reduce cancer risk in healthy people</p> Signup and view all the answers

    What is the role of the immune system in cancer?

    <p>To prevent cancer</p> Signup and view all the answers

    What is the purpose of tumor marker identification in cancer diagnosis?

    <p>To detect cancer biomarkers</p> Signup and view all the answers

    What is the goal of palliation in cancer treatment?

    <p>To relieve cancer symptoms</p> Signup and view all the answers

    What is the purpose of reconstructive surgery in cancer management?

    <p>To restore normal function and appearance</p> Signup and view all the answers

    Why is radiation therapy divided into small fractions?

    <p>To reduce side effects</p> Signup and view all the answers

    What is the purpose of TNM classification in cancer diagnosis?

    <p>To stage cancer</p> Signup and view all the answers

    What is the primary goal of managing stomatitis in patients with cancer?

    <p>To prevent infection</p> Signup and view all the answers

    What is the purpose of assessing the patient's skin, nutritional status, and general feeling of well-being?

    <p>To protect skin and oral mucosa from irritation</p> Signup and view all the answers

    What is the primary focus of hospice/palliative care?

    <p>Managing symptoms and improving quality of life</p> Signup and view all the answers

    What is the purpose of advising patients to avoid exposure to animal excreta?

    <p>To prevent infection</p> Signup and view all the answers

    What is the primary goal of teaching patients self-care?

    <p>To promote independence and self-care</p> Signup and view all the answers

    What is the purpose of providing education and support to correct fears and misconceptions about opioid use?

    <p>To manage pain</p> Signup and view all the answers

    What is the primary goal of assisting patients in coping with alopecia?

    <p>To improve body image and self-esteem</p> Signup and view all the answers

    What is the purpose of encouraging patients to participate in some form of exercise program?

    <p>To facilitate activity tolerance and quality of life</p> Signup and view all the answers

    What is the primary goal of providing information about granulocyte (or granulocyte macrophage) colony-stimulating factor (GCSF)?

    <p>To educate patients about prescribed medications</p> Signup and view all the answers

    What is the primary goal of assessing the patient's skin and oral mucosa frequently?

    <p>To detect changes in the skin and oral mucosa</p> Signup and view all the answers

    Study Notes

    Cancer Concepts

    • Neoplasia: uncontrolled cell growth that does not follow physiologic demand
    • Cancer: a disease process where cells proliferate abnormally, ignoring growth-regulating signals in the environment
    • Benign: not cancerous; benign tumors may grow but are unable to spread to other areas
    • Malignant: having cells or processes characteristic of cancer

    Types of Cancer

    • Identified by tissue affected, speed of cell growth, cell appearance, and location
    • Examples:
      • Carcinoma: originates in epithelial tissue (e.g., lungs, stomach, liver)
      • Sarcoma: originates in mesenchymal tissues (e.g., bone, muscle, connective tissues)
      • Leukemia: originates in blood-forming tissues
      • Lymphoma: originates in immune system cells
      • Melanoma: originates in skin cells
    • Benign tumors:
      • Fibroma: affects connective tissue
      • Lipoma: affects fat tissue

    Benign vs. Malignant

    • Benign:
      • Slow growth rate
      • Cells are typical of the tissue of origin
      • Minor tissue damage
      • Remains localized
      • Seldom recurs after surgical removal
      • Prognosis: not injurious
    • Malignant:
      • Rapid growth with infiltration
      • Cells are atypical of tissue origin
      • Causes necrosis and ulceration of tissue
      • Spreads to other body parts (metastasis)
      • Can recur after removal
      • Prognosis: potentially fatal if uncontrolled

    Malignant Process

    • Cell proliferation
    • Cell characteristics:
      • Presence of tumor-specific antigens
      • Altered shape, structure, and metabolism
    • Metastasis:
      • Spreads through lymphatic or hematogenous routes
      • Becomes more heterogeneous, making treatment more difficult

    Carcinogenic Agents and Factors

    • Viruses and bacteria
    • Physical factors
    • Chemical agents
    • Genetic and familial factors
    • Diet
    • Hormones
    • Role of the immune system

    Warning Signals

    • Change in bowel or bladder habits
    • A sore that does not heal
    • Unusual bleeding or discharge
    • Thickening or lump in breast or other tissue
    • Indigestion or swallowing difficulties
    • Obvious change in wart or mole
    • Nagging cough or hoarseness

    Prevention and Treatment

    • Primary prevention: reducing cancer risk in healthy people
    • Secondary prevention: detection and screening for early diagnosis and intervention
    • Cancer treatment goals:
      • Cure
      • Control
      • Palliation
    • Cancer management:
      • Surgery
      • Radiation therapy
      • Chemotherapy
      • Bone Marrow Transplantation (BMT)

    Nursing Interventions

    • Prevention of infection
    • Managing stomatitis
    • Maintaining tissue integrity
    • Protecting skin and oral mucosa
    • Managing pain
    • Decreasing fatigue
    • Improving body image and self-esteem
    • Assisting in the grieving process
    • Teaching patients self-care
    • Assisting with cancer rehabilitation
    • Hospice and palliative care

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    Description

    This quiz covers the basics of cancer, including neoplasia, benign and malignant tumors, and uncontrolled cell growth.

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