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Chapter 6: Disease - PowerPoint PPT Presentation


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Major categories of diseases. Types of infectious organisms & some diseases caused by them. Common responses to disease. Examples of neoplasia. Word parts pertaining to diseases. Major terms describing types of diseases. Major manifestations of diseases.

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Chapter 6: Disease


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    1. Major categories of diseases. • Types of infectious organisms & some diseases caused by them. • Common responses to disease. • Examples of neoplasia. • Word parts pertaining to diseases. • Major terms describing types of diseases. • Major manifestations of diseases. Chapter 6: Disease

    2. Key Terms

    3. Key Terms (cont’d)

    4. Key Terms (cont’d)

    5. Key Terms (cont’d)

    6. Supplementary Terms

    7. Supplementary Terms (cont’d)

    8. Supplementary Terms (cont’d)

    9. Supplementary TermsManifestations of Disease

    10. Supplementary TermsManifestations of Disease

    11. Abbreviations

    12. Roots for Disease

    13. Roots for Disease (cont’d)

    14. Prefixes for Disease

    15. Suffixes for Disease

    16. Suffixes for Disease (cont’d)

    17. Suffixes for Disease (cont’d)

    18. Words for Disease Used as Suffixes

    19. Words for Disease Used as Suffixes

    20. Words for Disease Used as Suffixes

    21. Disease Categories • Infectious • Caused by microorganisms, parasites called pathogens • Degenerative • Caused by wear and tear, aging or trauma • Arthritis, emphysema • Neoplasia • Abnormal, uncontrolled growth of tissue

    22. Disease Categories (cont’d) • Immune disorders • Failures of immune system • Allergies • Autoimmune disorders • Metabolic disorders • Caused by lack of enzymes • Hereditary disorders

    23. Disease Categories (cont’d) • Malnutrition • Hormonal disorders • Underproduction or overproduction of hormones • Diabetes mellitus • Mental and emotional disorders • Affects the mind • Individuals unable to adapt to environment

    24. Infectious Diseases • Caused by: • Viruses • Bacteria • Fungi (yeast and molds) • Protozoa (single-celled animals) • Worms

    25. Infectious Diseases (cont’d) • Bacteria categorized by: • Shape • Round • Rod-shaped • Curved • Arrangements they form • Dyes when stained in lab • Most common is Gram stain

    26. Prefixes and Roots for Infectious Diseases

    27. Responses to Disease • Inflammation • Body’s response to infection and diseases • Four signs: heat, pain, redness, swelling • Suffix –itis indicates inflammation • Examples include: • Appendicitis (inflammation of appendix) • Tonsillitis (inflammation of tonsils)

    28. Responses to Disease (cont’d) • Phagocytosis • Process used by body • Gets rid of: • Invading microorganisms • Damaged cells • Other harmful debris • Found circulating in blood, tissue, lymphatic system • Remains of process called pus

    29. Phagocytosis

    30. Response to Diseases (cont’d)Immunity • Immune system controls response to disease • Adaptive immunity: acquired during life from exposure to disease organisms • Monitors body for: • Abnormal cells • Malfunctioning cells • May cause its own problems • Overreaction produces allergies • Reaction to own tissues causes autoimmune diseases

    31. Neoplasia • Neoplasm • Abnormal and uncontrolled growth of tissue • Metastasizing • Benign • Malignant • Examples of malignant tumors: • Carcinoma (epithelial tissue) • Sarcoma (connective tissue or muscle)

    32. Pretest • Any organism so small that it can only be seen with a microscope is a: (a) miniorganism (b) macroorganism (c) microcell (d) microorganism

    33. Pretest • Any organism so small that it can only be seen with a microscope is a: (a) miniorganism (b) macroorganism (c) microcell (d) microorganism

    34. Pretest • A disease that has a sudden and severe onset is described as: (a) chronic (b) mild (c) acute (d) infectious

    35. Pretest • A disease that has a sudden and severe onset is described as: (a) chronic (b) mild (c) acute (d) infectious

    36. Pretest • Abnormal and uncontrolled growth of tissue is termed: (a) anemia (b) neoplasia (c) parasitism (d) toxicity

    37. Pretest • Abnormal and uncontrolled growth of tissue is termed: (a) anemia (b) neoplasia (c) parasitism (d) toxicity

    38. Pretest • Abnormal and uncontrolled growth of tissue is termed: (a) cocci (b) yeasts (c) fungi (d) bacilli

    39. Pretest • Abnormal and uncontrolled growth of tissue is termed: (a) cocci (b) yeasts (c) fungi (d) bacilli

    40. Pretest • Single-celled animals, as a group, are called: (a) algae (b) molds (c) protozoa (d) vibrios

    41. Pretest • Single-celled animals, as a group, are called: (a) algae (b) molds (c) protozoa (d) vibrios

    42. Pretest • Heat, pain, redness, and swelling are the characteristics signs of: (a) immunity (b) fever (c) inflammation (d) healing

    43. Pretest • Heat, pain, redness, and swelling are the characteristics signs of: (a) immunity (b) fever (c) inflammation (d) healing

    44. Pretest • White blood cells engulf foreign organisms by the process of: (a) phagocytosis (b) egestion (c) ejection (d) dysphagia

    45. Pretest • White blood cells engulf foreign organisms by the process of: (a) phagocytosis (b) egestion (c) ejection (d) dysphagia

    46. Pretest • The sum of all body defenses against infectious disease is termed: (a) pyosis (b) complementation (c) secretion (d) immunity

    47. Pretest • The sum of all body defenses against infectious disease is termed: (a) pyosis (b) complementation (c) secretion (d) immunity