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50 Cards in this Set
- Front
- Back
health
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physiacal, spiritual, mental and social well being. Not meerly the absence of disease.
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disease
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abnormality in body functions that threatens well being
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sign
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an objective abnormality that can be seen or measured by someone other than the patient
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symptom
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a subjective abnormality that is experiencd only by the patient
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syndrome
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a collection of different signs and symptoms that present a clear picture of a spesific problem
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acute
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when signs and symptoms apear suddenly, persist for a short time, and then subside
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chronic
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a disease that develops slowly and lasts for a long time. (chronic conditions can begin with acute injuries)
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etiology
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study of all factors that can cause a disease
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idiopathic
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a disease with an unknown cause
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communicateicable
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a disease that can be transmitted from one person to another
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pathogenisis
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the pattern of how a particular disease develops
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steps of pathogenisis
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1)latent- "hidden stage AKA incubation
2)manifestation- the disease makes itself known 3)convalescence- recovery |
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Remission
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when the disease exhibits a temporary reversal that seems to be a recovery
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epidemiology
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study of the occurence, distribution, and transmission of disease in human populations
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endemic
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diseases that are native to a particular geographial region
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epidemic
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when a disease affects many people at the same time
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pandemic
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a disease affecting large geographical regions in many parts of the world
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pathophysicology
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the study of the understanding physiological processes associated with disease.
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mutations
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a change in the genetic code;most are caused by mutagens> agents like chemicals, radiation, and viruses.
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chromosomal defects
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trisomy; down syndrome,
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single-gene disorders
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hemophillia, cystic fibrosis, sickle cell anemia
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viruses
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intracellular paracites that consist of a nucleic acid surrounded by a protein coat and sometimes a limpoprotein envelope; influenza, mono, epstein baar virus
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bacteria
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primitive oragnisms with no nuclei, secrete toxins, overwhelm the body with colonies that impair normal function; strep, bacterial pheumonia
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fungi
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simmilar to plants but no chlorophyll (can't make their own food) must parasitize other organisms like athlete's foot; san Joaquin valley fever
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Fungal infections
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mycoses
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protozoa
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one-celled organisms; amebic dysentery; giardiasis; trichomoniasis
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nematodes
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round worms - enterobius; pinworm infestation in the lower GI tract causing rectal itching and insomnia
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platyhelmints
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flatworms or flukes. EX. Taenia- pork and beef tapeworm
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arthropods
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mites, ticks, lice, fleas, wasps, bees, spiders
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Benign tumors characteristics are
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slow growth, encapsulation, expand but don't spread, well differentiated, morality low
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malignant cancer characteristics are
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rapid growth, non-encapsulation, infultrate durrounding tissue, metastasizes, undifferentiated, morality high
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Benign tumors that arise from epithelial tissue
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papilloma- a fingerlike projection(wart)
Adenoma- benign tumor of glandular epithilial tissue Nevus- small pigmented tumors of the skin |
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Benign tumors that arise from connective tissue
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lipoma- fatty tumor(under the skin)
osteoma- bone tumor chondroma- cartilage tumor |
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malignant tumors that arise from epithilial tissue are called ?
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Carcinomas
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malignant tumors that arise from epithilial tissue
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Melanoma- malignancy of the melanin producing cells of the skin
Adenocarcinoma- malignant tumors of glandular epithilial |
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Malignant tumors that arise from connective tissue are called ?
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Sarcomas
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Malignant tumors that arise from connective tissue
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lymphoma- cancer of the lymphatic tissue (HOdgkins)
osteosarcoma- of bone myeloma- bone marrow fibro sarcoma- fiborous connective tissue |
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neuroblastoma
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malignancy of the nuerons
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multifome Glioma
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most common brain tumor in adults
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factors known to play a role in causing cancer
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1) genetic- 'oncogenes' skin; breast; colon
2) carcinogens- chemicals affectig genetic activity: petroleum, by -products, pestisides 3) age all cancers increse in insidence with age 4)viruses- human papiloma virus in cervical cancer 5)molds- aflatoxin- one of the most powerful carcinogens known that occurs in peanuts and corn. |
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Ways in which we detect cancer
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1)self exam- breast, moles, testes etc.
2)dignostic imaging- MRI;CT scan; X-RAY 3)Lab tests 4) biopsy: microscopic evaluation of the tumor. |
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staging
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classifying tumors by size and extent of metastisis
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gradeing
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assessing the likely pattern of a tumors development
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the cause of cancer deaths is usually ?
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secondary infection; organ ailure; hemorrhage
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cachexia
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the syndrome asssociated with the late stages of cancer involving weight loss and weakness.
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treatment
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1)surgery- removel of the tumor
2)chemotherapy- cytotoxic chemicals 3)radiation- pinpoint beams of radiation aimed at the tumor 4)laser therapy 5)immunotherapy- stimulating the immune system 6)nutrition, acupuncture, herbology, homeopathy 7)new drugs- great; Endostatin- cutting off blood supply to tumors |
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8 warning signs of cancer
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1)sore that does not heal
2)a change in a wart or mole 3)unusual bleeding 4)chronic hoarseness or cough 5)chronic indegestion 6)change in bladder or bowel habits 7)a lump or thickening in any tissue 8)bone pain that wakes you up at night |
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top 10 anti-cancer foods
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1)tomatoes
2)blueberries 3)red cabage and beets 4)spinich 5)garlic 6)whole grains 7)oranges 8)strawberries 9)beans 10)colorful foods |
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autoimmunity
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A misdirected immune response that occurs when the immune system goes awry and attacks the body itself.
.EXAMPLES; a)Chrohn's Disease b)Diabetes c)multiple sclerosis d)rheumatoid Arthritus e)Lupus *Treatments are limited to symptomatic relief. |
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Degenerative diseases
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a disease in which the function or structure of the affected tissues or organs will progressively
deteriorate over time, whether due to normal bodily wear or lifestyle choices EXAMPLES:1)alzheimers 2)Lou Gehrigs disease 3)Diabetes type 2 4)heart disease 5)Parkinson's 6)Osteoporosis 7)osteoarthritis |