Ch. 12 VOC HLTH

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TiaRae
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Ch. 12 VOC HLTH
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2010-10-23 23:40:56
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Health 1520 VOC
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  1. Cardiovascular Disease
    The collective term for various forms of diseases of the heart and blood vessels.
  2. Atria
    The two upper chambers of the heart in which blood collects before passing to the ventricles.
  3. Vena Cava
    The large vein through whcih blood is returned to the atrium of the heart.
  4. Ventricles
    The two lower chambers of the heart that pump blood through arteries to the lungs and other parts of the body.
  5. Aorta
    The large artery that receives blood from the left ventricle and distributes it to the body.
  6. Veins
    Vessels that carry blood away from the heart.
  7. Arteries
    Vessels that carry blood away from the heart.
  8. Capillaries
    Very small blood vessels that serve toexchange oxygen and nutrients between the blood and tissues.
  9. Phatelets
    Microsopic disk-shaped cell fragments in the blood that disintergrate on contact with foreign objects and release chemicals that are necessary for the formation of blood clots.
  10. Hypertensions
    Substained abnormally high blood pressure.
  11. Atherosclerosis
    A form of CVD in which the inner layers of artery wlls are made thick and irregular by plaque deposits; arteries become narrow and blood supply is reduced.
  12. Low-density lipoprotein
    Blood fat that transports cholesterol from the liver to organs and tissues; excess is deposited on artery walls, where it can eventually block the flow of blood to the heart and brain; "bad" cholesterol
  13. High-Density Lipoprotein
    Blood fat that helps transport cholestrol out of the arteries and thus protects against heart diseases; "good" cholestrol.
  14. Plaque
    A deposit of fatty(and other) substances on the inner wall of the arteries.
  15. Coronary Heart Disease
    Heart disease caused by artherosclerosis in the arteries that supply blood to thr heart muscle; also called coronary artery disease.
  16. Coronary thrombosis
    A clot in a coronary artery.
  17. Heart Attack
    Damage to, or death of, heart muscle, resulting from a failure of the coronary arteries to deliever enough blood to the heart; also known as myocardial infection(m).
  18. Angina pectoris
    Pain in the chest, often in the left arm and shoulder, caused by the heart muscle not receiving enough blood.
  19. Arrhythmia
    A change in the normal pattern of heart beat.
  20. Sudden Cardiac Death
    A nontraumatic, unexpected death from sudden cardiac arrest, most often due to arrhythmia; in most instances victims have underlying heart disease.
  21. Cardiopulmonary resuscitation
    A technique involving mouth-to-mouth breathing and chest compression to keep oxygen flowing to the brain.
  22. Electrocardiogram
    A test to detect abnormalities by evaluating the electrical activty in the heart.
  23. Stroke
    An impeded blood supply to some part of the brain resulting in the destruction of brain cells; also called cerebrovascular accident.
  24. Ischemic Stroke
    Impeded blood supply to some part of the btain caused by the obstruction of a blood vessel by a clot.
  25. Hemorrhagic Stroke
    impeded blood supplt to the brain to the brain caused by the rupture of a blood vessel.
  26. Thrombus
    A bloof clot in a blood bessel that usually occurs at the point of its formation.
  27. Embolus
    A blood clot that breaks off from its place of origin in a blood vessel and travels through the bloodstream.
  28. Aneurysm
    A sac formed by a distention or dilation of the artery wall.
  29. Transient ischemic attack
    A small stroke; usually a temporary interruption of blood supply to the brain, causing numbness or difficulty with speech.
  30. Computed tomography
    The use of computerized X ray impages to create a cross-sectional depiction(scan) of tissue density.
  31. Congestive Heart Failure
    A condition resulting fomr the heart's inability to pump out all the blood that returns to it; blood backs upin the veins leasing to the heart, causing an accumulation of fluid in various parts of the body.
  32. Congenital heart disease
    A defect or malformation of the heart or its major bloodvessels present at birth.
  33. Hypertrophic cardiomyopathy
    An inherited condition in which there is an enlargement of the heart muscle, especially between the two ventricles.
  34. Rheumatic Fever
    A disease, mainly of children, characterized by fever, inflammation, and pain in the joints; often damages the heart muscle
  35. Miltral Value Prolaspe
    A condition in which the miltral valve "billows' out during ventricular contraction, possibly allowing leakage of blood from the left ventricle into the left atrium; often asymptomatic and usually requiring treatment only in cases of significant leakage.
  36. Cancer
    Abnormal, uncontrolled cellular growth.
  37. Mallgnant tumor
    A tumor that is cancerous and capable of spreading.
  38. Benign Tumor
    A tumor that is not cancerous
  39. Lymphatic system
    A system of vessels that returns proteins, lipids, and other substances form fluid in the tissue to the circulatory system.
  40. Biopsy
    The removal and examination of a small piece of body tissue.
  41. Metastasis
    The spread of cancer cells from one part of the body to another.
  42. Bone Marrow
    Soft vascular tissue in the interior cavities of bones that produces blood cells
  43. Carcinogen
    Any substance that cause cancer.
  44. Chemotherapy
    The treatment of cancer with chemicals that selectively destroy cancerous cells.
  45. Remission
    A period during the course of cancer in which there are no symptoms or other evidence of disease.
  46. Mammograms
    Low-dose X rays of the breast used to check for early signs of breast cancer.
  47. Ultrasonography
    An imaging method in which sound waves are bounced off body structures to create an image on a TV monitor
  48. Prostate-specific antigen blood test
    A diagnostic test for prostate cancer that measures blood levels of prostate-specific antigen.
  49. Pap test
    A scraping of cells form the cervix for examination under a microsope to detect cancer.
  50. Melanoma
    A malignant timor of the skin that arises from pigmented cells, usually a mole.
  51. Ultraviolet Radiation
    Light rays of a specific wavelength emitted by the sun; most UV rays are blocked by the ozone layer in the upper atmosphere.
  52. Basal cell carcinoma
    Cancer of the deepest layers of the skin.
  53. Squamous cell carcinoma
    Cancer of the durface layers of the skin.
  54. Chromosomes
    The threadlike bodies in a cell nucleus that contain molecules of DNA; most human cells contain 23 pairs of chromosomes
  55. DNA
    Deoxyribonucleic acid, a chemical substance that carries genetic infotmation
  56. Gene
    A section of a chromosome that contains the cucleotide base sequence for making a particular proteinl the base unit of heredity
  57. Oncogene
    A gene involved in the transformation of a normal cell into a cancer cell.
  58. Cartenoid
    Any of a group of yellow-to-red plant pigments that can be converted to vitamin A by the liverl many act as antioxidants or have other anti-cancer effects.
  59. Antioxidant
    A substance that can be lessen the breakdown of food or body constituents; actions include binding oxygen and donating electrons to free radicals
  60. Free radicals
    Electron-seeking compounds that can react with fats, proteins, and DNA damaging cell membranes and mutating genesin their search for electrons; produceded though chemical reaction in the body and by exposure to enviromental factors such as sunlight and tobacco smoke.
  61. Phytochemical
    A naturally occuring substance found in plant foods that may help prevent chronic diseases such as cancer and heart disease.

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