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33 Cards in this Set
- Front
- Back
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What are pathogens?
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microorganism that produces disease
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What is a host?
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person or population that contract 1 or more pathogenic agents in an environment
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What is a vector?
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biological or physical vehicle that carries the agent of infection to the host
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What is a virus?
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- submicroscopic infectious agents
- most primitive life form |
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What are antibiotics?
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- substances produced by microorganisms
- synthetic agents - toxic to bacteria |
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What is an antiviral drug?
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substance that decrease the severity and duration of viral infection if taken prior to or soon after the onset of infection
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What is bacteria?
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- one celled microscopic organisms
- most plentiful pathogens |
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What is fungi?
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organisms that reproduce by means of fungus
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What is protozoa?
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microscopic animals made up of one cell or a group of similar cells
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What is helminth?
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parasitic roundworm or flatworm
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What is the incubation period?
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time between a pathogen's entrance into the body and the first symptom
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What is immunity?
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protection from infectious diseases
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What are lymph nodes?
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small tissue masses in which some immune cells are stored
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What is gamma globulin?
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anti-body containing portion of the blood fluid
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What is inflammation?
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- localized response by the body to tissue injury
- characterized by swelling and dilation of the blood vessels |
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What is abscess?
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localized accumulation of pus and disintegrating tissue
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What is systemic disease?
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pathological condition that spreads throughout the body
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What is immune deficiency?
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partial or complete inability of the immune system to respond to pathogens
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What is an allergy?
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hypersensitivity to a particular substance
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What is immunotherapy?
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- series of injections of small but increasing doses of an allergen
- used to treat allergies |
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What is autoimmune disorder?
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resulting from the attack on body tissue by an immune system that fails to recgonize the tissue as self
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What is influenza?
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any type of fairly common, highly contagious viral diseases
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What is meningitis?
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extremely serious, potentially fatal illness that attacks the membranes around the brain and spinal cord caused by bacterium
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What is hepatitis?
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inflammation and, or infection of the liver caused by a virus, often accompanied by jaundice
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What is mononucleosis?
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infectious viral disease characterized by an excess of white blood cells in the blood, fever, bodily discomfort, sore throat, and kidney and liver complications
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What is chronic fatigue syndrome?
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- cluster of symptoms whose cause is not yet known
- primary symptom is debilitating fatigue |
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What is tuberculosis?
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highly infectious bacterial disease that primary affects the lungs and is often fatal
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What is lyme disease?
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- disease caused by a bacterium carried by a tick
- may cause heart arrythmias, neurological problems, and arthritis symptoms |
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What is trichomoniasis?
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- infection of the protozoa trichomonas vaginalis
- females experience; vaginal burning, itching, and discharge - males are generally asymptomatic |
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What is candidiasis?
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- infection of the yeast Candida albican
- commonly occurring in the vagina, vulva, penis, and mouth, and causing burning, itching and a whitish discharge |
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What is bacterial vaginosis?
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vaginal infection caused by overgrowth and depletion of various microorganisms living in the vagina, resulting in malodorous white/gray vaginal discharge
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What is urethritis?
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infection of the urethra
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What is cystitis?
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infection of the urinary bladder
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