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Chapter 19 Noncommunicable Diseases

Chapter 19 Noncommunicable Diseases. Lesson 2 Cancer. Click for:. >> Main Menu. >> Chapter 19 Assessment. Teacher’s notes are available in the notes section of this presentation. Next >>. A disease characterized by the rapid and uncontrolled growth of abnormal cells. cancer.

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Chapter 19 Noncommunicable Diseases

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  1. Chapter 19 NoncommunicableDiseases Lesson 2 Cancer Click for: >> Main Menu >> Chapter 19 Assessment Teacher’s notes are available in the notes section of this presentation. Next >>

  2. A disease characterized by the rapid and uncontrolled growth of abnormal cells • cancer A mass of abnormal cells • tumor Not cancerous • benign Cancerous • malignant

  3. Characteristics or behaviors that increase the likelihood of developing a medical disorder or disease • riskfactors Substances that cause cancer • carcinogens The removal of a sample of tissue from a person for examination • biopsy A treatment that uses X-rays or other forms of radiation to kill cancer cells • radiationtherapy

  4. The use of powerful medicines to destroy cancer cells • chemotherapy When cancer signs and symptoms disappear • remission The return of cancer after a remission • recurrence

  5. In this lesson, you will learn to • identifycommon types of cancer. • recognizesome causes of cancer. • explainways that cancer can be treated. • describehow to reduce the risk of developing cancer.

  6. Organizing Information Create a chart that shows the different types and treatments of cancers. Cancer Type Treatment

  7. What Is Cancer? Cancer is the second-leading cause of death in the United States. cancer A disease characterized by the rapid and uncontrolled growth of abnormal cells

  8. What Is Cancer? When abnormal cells survive the body’s immune system, they divide and may form a tumor. tumor A mass of abnormal cells

  9. What Is Cancer? Tumors can be benign or malignant. benign Not cancerous malignant Cancerous Malignant tumors can spread to other parts of the body.

  10. Types of Cancer SkinCancer BreastCancer ReproductiveOrgan Cancer LungCancer Colon andRectal Cancer Leukemia Lymphoma

  11. Risk Factors and Causes of Cancer Heredity, age, lifestyle choices, and environmental factors are some of the risk factors that can increase a person’s risk of cancer. risk factors Characteristics or behaviors that increase the likelihood of developing a medical disorder or disease

  12. Examples of Carcinogens Asbestos Chemicals in Tobacco UltravioletLight Risk Factors and Causes of Cancer Some types of cancer are caused by exposure to carcinogens. carcinogens Substances that cause cancer

  13. Diagnosing Cancer If a suspicious lump or formation is discovered beneath the skin, a biopsy is usually done on the tissue. biopsy The removal of a sample of tissue from a person for examination X-rays and scanning equipment may be used to detect abnormal cell formations.

  14. C Change in bowel or bladder habits A A sore that does not heal U Unusual bleeding or discharge T Thickening or lump in the breast or elsewhere I Indigestion or difficulty swallowing O Obvious change in mole or wart N Nagging cough or hoarseness Diagnosing Cancer The Warning Signs of Cancer

  15. Diagnosing Cancer The ABCDs of Melanoma A Asymmetry One half doesn’t match the other half. B Border The border is irregular—edges are ragged or blurred. C Color The color is not uniform and may contain shades of brown or black and possibly patches of red, white, or blue. D Diameter The diameter is larger than the size of a pencil eraser (6mm) or is getting bigger.

  16. Treating Cancer The most common cancer treatments are: • Surgery • Radiation therapy • Chemotherapy radiation therapy A treatment that uses X-rays or other forms of radiation to kill cancer cells chemotherapy The use of powerful medicines to destroy cancer cells

  17. Treating Cancer When cancer treatment is successful, cancer is in remission. remission When cancer signs and symptoms disappear

  18. Treating Cancer Cancer that is in remission is sometimes in danger of a recurrence. recurrence The return of cancer after a remission

  19. Reducing the Risk of Cancer Avoid tobacco and alcohol. Limit sunexposure. Tips for Reducing the Risk of Cancer Be physicallyactive. Perform self-examinations.

  20. Lesson 2 Review What I Learned VocabularyDefine cancer.

  21. Lesson 2 Review What I Learned IdentifyWhat are four common types of cancer?

  22. Lesson 2 Review What I Learned DescribeDescribe ways that cancer can be treated.

  23. Lesson 2 Review What I Learned Give ExamplesWhat are three ways to reduce the risk of cancer?

  24. Lesson 2 Review Thinking Critically SynthesizeWhy is it important to diagnose cancer as early as possible?

  25. Lesson 2 Review Thinking Critically ApplyWhy do people with outdoor jobs have a higher risk of skin cancer than people who work indoors?

  26. End of Chapter 19 NoncommunicableDiseases Lesson 2 Cancer Click for: >> Main Menu >> Chapter 19 Assessment

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