Term
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Definition
gram negative rods
obligate intracellular parasites
transmitted by insect bites
illnesses common in Southwest US |
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Term
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Definition
Cat Scratch Fever
normal flora in cat intestines
serious infection - high fever
gram negative rods
direct contact or fleas |
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Term
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Definition
small gram negative rods
causes "undulant fever"
(undulant - comes and goes)
can become airborne
*potential for bioterrorism |
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Term
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Definition
Whooping Cough
gram negative rods
vaccine DPT
forms a membrane in the throat |
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Term
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Definition
gram negative diplococci
normal flora of mucus membranes
N. gonorrheae - gonorrhea
N. meninginitidis - meningitis
*N. gonorrheae has protein Opa that binds to CD4 lymphocytes and prevents the production of memory cells and immunity |
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Term
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Definition
tularemia
transmitted by rodents - rabbits, squirrels, hamsters, etc. - bite
infect lymph nodes
can multiply in macrophages
(macrophages in tissue fluid)
difficult to treat
*potential for bioterrorism |
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Term
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Definition
gram negative motile rods
can grow in water, on soap, in bottle caps
can grow in refrigerator
common nosocomial infection
can produce a blue-green pigment that smells like grapes
antibiotic resistant - gentamycin |
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Term
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Definition
gram negative rods
Legionnaires' disease - high fever & pneumonia
reproduce in aquatic amoebae |
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Term
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Definition
slightly curved gram negative rods
found in salt or brackish water
V. cholera - cholera - very watery stools with intestinal mucus - "rice water" stools - dehydration & death
V. parahemoliticus - gastroenteritis from raw oysters, shrimp, and crabs |
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Term
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Definition
inhabits mammalian interstinal tract
wound infections & UTI
O157:H7 - causes diarrhea and produces a toxin that can shut down the kidneys |
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Term
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Definition
-2400 serovars
-found in intestinal tracts of poultry & cattle, found in reptiles
-can get inside plants we eat
-causes bloody diarrhea |
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Term
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Definition
-causes typhoid fever
-high fever & headache
-can infect the liver & spleen
-some people become carriers (Typhoid Mary) |
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Term
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Definition
-spread from person to person
-found on fresh unwashed fruit
-causes dysentery |
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Term
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Definition
-can cause pneumonia
-commonly causes UTI
(bladder infection - cystitis
kidney infection - pyelonephritis) |
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Term
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Definition
-grows in saline
-responsible for many nosocomial infections |
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Term
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Definition
-many flagella
-swarming growth on media
-normal intestinal flora
-UTI & wound infections
-smells like chocolate cake |
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Term
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Definition
-gram negative
-live everywhere
-causes UTIs |
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Term
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Definition
-wound infection from cat bites
-requires IV antibiotics
-causes cellulitis |
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Term
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Definition
-needs chocolate (hemolyzed blood) agar to grow in the lab
-very pathogenic
-smells mousey |
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Term
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Definition
-meningitis, ear infection, epiglotitis, pneumonia |
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Term
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Definition
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Term
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Definition
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Term
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Definition
-found in poultry
-must be incubated at 42 degrees Celsius
-causes gastroenteritis
-high fever |
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Term
Helicobacter spp.
Helicobacter pylori |
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Definition
-causes peptic ulcers and stomach cancer |
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Term
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Definition
-spore forming anaerobes
-spores can live in the soil for years
C. tetani - tetanus (lockjaw)
C. botulinum - botulism
C. perfringens - gas gangrene
C. difficil - antibiotic resistant, normal intestinal flora, when antibiotics kill all good flora it takes over, often a nosocomial infection |
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Term
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Definition
gram positive rods
are everywhere
two are pathogens-
B. cereus (food poisoning)
B.antracis (anthrax) |
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Term
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Definition
CDC must be notified
Three types of anthrax:
-Cutaneous (skin)
-Gastrointestinal
-Pulmonary
(if not treated can lead to septicemia - death rate 100%)
*potential for bioterror |
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Term
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Definition
-gram positive cocci
-grows in grape-like clusters
-yellow colonies
-can grow in salty meats
-grows in ocean
-produces toxins
-MRSA (pg 422)
-causes wound infections, food poisoning, toxic shock syndrome |
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Term
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Definition
gram positive cocci
-grows in chains
-two important types:
Beta hemolytic
Alpha hemolytic |
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Term
Streptococcus - beta hemolytic |
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Definition
form a clear zone around the colony when grown on blood agar
-Groups A-O |
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Term
Streptococcus - beta hemolytic - Group A -
Streptococcus pyogenes |
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Definition
has M protein on surface that helps it avoid phagocytosis
causes most variety of diseases:
sore throats
scarlet fever
rheumantic fever (affects joints & heart)
impetigo
necrotizing fascitis - painful infection that can consume an inch of tissue an hour |
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Term
Streptococcus - beta hemolytic - Group B
- Streptococcus agalactiae |
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Definition
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Term
Streptococcus - alpha hemolytic |
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Definition
-forms a green zone around colony on blood agar
-Streptococcus mutans: causes dental caries
-Streptococcus pneumoniae: causes pneumonia & meningitis in children |
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Term
Lactobacillus acidophilus |
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Definition
-used in food production
- yogurt |
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Term
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Definition
gram positive
live in GI tract, mouth & vagina
causes UTIs & wound infections
frequently cause nosocomial infections |
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Term
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Definition
grows in soft cheeses & deli meats
withstands refrigeration
should not be eated by pregnant women
can cause stillbirth |
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Term
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Definition
-lack a cell wall
-require a media with horse serum and yeast extract to grow in lab
-colonies have a "fried egg" appearance
-treated with tetracycline
-causes pneumonia |
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Term
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Definition
-resist gram stain because they have waxy cells
-cells have mycolic acid
-require acid fast stain (carbolfuchsin)
M. tuberculosis - tuberculosis
M. leprae -leprosy |
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Term
Corynebacterium diphtheriae |
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Definition
-morphology: palisades pattern
-gram positive rods
-has metachromatic granules
-closes off throat with membrane |
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Term
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Definition
-some causes of acne
-gram positive rods
-treated with tetracycline |
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Term
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Definition
-gram variable
-causes vaginitis |
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Term
Chlamydiae
-Chlamydia trachomatis |
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Definition
-gram negative
-causes nongonococcal urethritis
-most common STD!!! |
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Term
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Definition
coiled gram negative
move using axial filaments
Treponema pallidum - syphilis
Borrelia spp. - Lyme disease |
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Term
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Definition
gram negative anaerobes
live in the intestines
cause wound infections & peritonitis |
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Term
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Definition
spindle shaped
live in the mouth
can cause dental abscesses |
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Term
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Definition
-carried by rats and fleas in the Southwest
-causes plague
Bubonic - infects lymph system, forms bubos
Septicimic - bacteria live in the blood
Pneumonic - infects lungs - 100% fatal
-weapon of bioterror |
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Term
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Definition
- gram negative rods
- spread by lice
- typhus (fever & rash)
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Term
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Definition
- gram negative rods
- spread by fleas
- murine typhus
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Term
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Definition
- gram negative rods
- spread by ticks
- Rocky Mountain Spotted Fever |
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Term
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Definition
gram negative diplococci
normal flora of mucus membranes
- gonorrhea
*has protein Opa that binds to CD4 lymphocytes and prevents the production of memory cells and immunity |
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Term
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Definition
gram negative diplococci
normal flora of mucus membranes
- meningitis (usually in adults) |
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Term
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Definition
slightly curved gram negative rods
found in salt or brackish water
- cholera
- very watery stools with intestinal mucus
- "rice water" stools
- dehydration & death
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Term
|
Definition
slightly curved gram negative rods
found in salt or brackish water
- gastroenteritis from raw oysters, shrimp, and crabs |
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Term
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Definition
-spore forming anaerobes
-spores can live in the soil for years
- tetanus (lockjaw)
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Term
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Definition
-spore forming anaerobes
-spores can live in the soil for years
- botulism
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Term
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Definition
-spore forming anaerobes
-spores can live in the soil for years
- gas gangrene
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Term
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Definition
-spore forming anaerobes
-spores can live in the soil for years
- antibiotic resistant, normal intestinal flora, when antibiotics kill all good flora it takes over, often a nosocomial infection |
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Term
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Definition
gram positive rods
- food poisoning
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Term
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Definition
-forms a green zone around colony on blood agar
- causes dental caries
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Term
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Definition
-forms a green zone around colony on blood agar
-causes pneumonia & meningitis in children |
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Term
Microbacterium tuberculosis |
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Definition
-resist gram stain because they have waxy cells
-cells have mycolic acid
-require acid fast stain (carbolfuchsin)
- tuberculosis
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Term
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Definition
-resist gram stain because they have waxy cells
-cells have mycolic acid
-require acid fast stain (carbolfuchsin)
-leprosy |
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Term
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Definition
coiled gram negative
move using axial filaments
- syphilis
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Term
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Definition
coiled gram negative
move using axial filaments
- Lyme disease |
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Term
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Definition
Histoplasmosis
lung disease that can become systemic
found in the Mississippi River Valley |
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Term
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Definition
Coccidioidomycosis
lung/systemic infection
found in the Southwest |
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Term
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Definition
-black bread mold
-opportuistic systemic mycosis
(opportunistic - when immune system is compromised) |
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Term
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Definition
-opportunistic systemic mycosis
(opportunistic - when immune system is compromised) |
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Term
common culprits of dermatomycoses |
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Definition
Trichophyton
Microsporum
Epidermophyton |
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Term
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Definition
-causes paralytic shellfish poisoning
-humans can get PSP by eating mollusks harvested during a red tide
-causes neurological systems
-lives in the ocean |
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Term
protozoa - Trichomonas vaginalis |
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Definition
-has an undulating membrane
-STD
-causes trichomoniasis of the vagina or male urethra |
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Term
protozoa - Giardia lambia |
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Definition
-intestinal parasite
-diarrhea
-forms cysts
-ID by cysts in feces |
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Term
protozoa - Entamoeba histolytica |
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Definition
-very common worldwide
-forms cysts
-causes diarrhea |
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Term
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Definition
-causes malaria
-4 species, infect liver & red cells
-fevers come in waves with multiples of 25 hrs between them
-transmitted by the Anopheles mosquito
-mosquito is the definitive host, sexual reproduction takes place here
-humans are intermediate hosts where fission occurs |
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Term
protozoa - species of Plasmodium |
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Definition
P. falciparum
P. vivax
P. ovale
P. malariae
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Term
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Definition
-transmitted by the Ixodes scapularis tick
-causes babesiosis
-anemia |
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Term
protozoa - Balantidium coli |
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Definition
-have cilia
-causes severe dysentery |
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Term
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Definition
trematode (fluke) that infects the lungs worldwide |
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Term
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Definition
trematode (fluke) that infects the blood worldwide |
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Term
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Definition
-beef tapeworm
-humans are the definitive host
-can grow up to 6 meters
-we excrete mature proglottids
-form cysticerci in beef muscle
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Term
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Definition
-pork tapeworm
-humans are the definitive host
-from undercooked pork
-found in Latin America, Asia, Africa
-in the US pigs do not harbor cysts
-in US transmission is from person to person when we shed the eggs
-then we are the intermediate hosts and cysts can form
-cysticercosis - can infect the brain |
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Term
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Definition
-tapeworm
-humans are the intermediate host (harbor the cysts)
-a few mm long in the definite hosts, dogs & coyotes
-sheep & deer can be intermediate hosts too
-form hydatid cysts in our liver, lungs, or brain
-cysts may contain up to 4 liters of fluid |
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Term
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Definition
-roundworm
-pin worm
-eggs are infective
-entire life cycle is in humans
-diagnosed with cellophane tape on the anus in the morning |
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Term
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Definition
-roundworm
-eggs are infective
-infects >1 billion people
-worm lives in small intestines
-eggs hatch
-larvae enter the blood and go to the lungs where they are coughed up and swallowed |
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Term
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Definition
-roundworm
-hookworm
-larva are infective
-larva live in soil and penetrate the soles of feet
-travels in blood to the lungs
-coughed up and swallowed
-hookworm lives in intestines |
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Term
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Definition
Fifth disease - Erythema infectiosum
mild flu-like symptoms with a "slapped cheek" rash |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Chickenpox
can become latent - shingles |
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Term
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Definition
(can become latent)
HSV-1: fever blisters
HSV-2: genital herpes |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
Inflammation of the liver
Subspecies A,B,C,D,E,F |
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Term
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Definition
from rodents
Hantavirus pulmonary syndrome
Often lethal |
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Term
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Definition
mad cow disease
Crutzfeldt-Jacob Disease (CJD)
Kuru - causes trembling, death, from eating human brain
scrapie - a fatal degenerative disease of the central nervous system of sheep & goats
fatal familial insomnia
Gerstmann-Straussler-Scheinker Syndrome - inherited progressive dementia |
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