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52 Cards in this Set

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  • Back
what two bugs cause watery diarrhea w/out systemic symptoms like fever?
-how do they cause diarrhea
-no cell invasion
escherichia coli and vibrio cholera

-release of exotoxins (enterotoxins)
3 bugs that cause blood in stool

bacteria that bind and invad cells, release toxins that destroy cells

-results in systemic immune response (white blood cell infiltration and fever) and a cell death. (blood in stool)

-invasion of enterocytes
-enteroinvsive e. coli/EHEC, shigella, salmonella enteritidis
invasion of lymph nodes and blood stream

-diarrhea with WBC and blood, stomach pain, fever
AND lymph noe enlargement, bacteremia, and sepsis

-
salmonella typhi, yersinia enterocolitica, campylobacter jejuni
nosocomial gram-negatives
-aquire antibiotic resistance in hospitals
e. coli, klesiella pneumoniae, proteus mirabilis, enterobacter, serratia, psudomonas aeruginosa
e coli + virulence factors causes
mucosal interaction (adheranced with pili
-invade enterocytes
2. esotoxin production
-heat-labile and stable tosin LT and ST
-shiga like toxin
3. endotoxin
diseases caused by e. coli with virulence factors
1.diarrhea
-uti
-neonatal meningitis
-gram neg sepsis
most common cause of UTI
e. coli
2 microbes where stool looks like rice water
cholera and e. coli
what 2 bacteria can cause diarrhea similar to e. coli?

-what do these bugs need and can share?
vibrio and shigella

-virulenc form plasmids
what is the virulence factor for ETEC and EHEC.
-pili colonization factor
what is the virulence factor shared by shigella and EIEC
-ability to invade
3 most common forms of neonatal meningitis in order
strep B
e. coli
listeria
most common form of gram negative sepsis

-where is this prominent
-what can cause septic shock
e.coli
-hospitilies pt
-lipid A endotoxin
most common cause of oportunistic infections
e. coli
second most common cause of sepsis
klebsiella
second most common cause of uti

-motility
klebsiella

-non motile (no H antigen)
common cause of nosocomial pneumonia
e. coli
pnemonia that cause red jelly
klebsiella
non mobile enterics
shigella, klebsiella
not the first or second most common cause of uti s but a commmon one that also causes nosocomial infections
proteus mirabilis
enteric that in non mobile and does not ferment lactose
shegella
2 entereics that release shiga toxin
EIEC, EHEC, and shigella
enteric that is mobille , produces HS2 and does not ferment lactose
salmonella
T/F salmonella and shigella are part of the normal gut flora
F
fever that starts two weeks after eating some uncooked eggs, also pain over the appenix. (rash) rose spots on belly
salmonella typhi
diarrhea of salmonelaa is
-is caused by
watery and sometimes has mucous

-s. enterifidis
yersinia enterocolitica has abdominal pain that presents like
appendicitis
acute gastroenteritis after ingestion of contaminated sea food like raw fish or shell fish
vibrio parahemolyticus
skin lesion with sea water contact
virio vulnificus
most common cause of diarrhea in us and looks like vibrio cholera
campylobacter jejuni
pt presents with rapid onset of fever 7 days after drinking unpasteruized milk
-diarrhea is watery, mucoid, or bloody and foul smelling
campylobacter jejuni
2 bugs that cause skin infections and impetigo
-should be treated with what?
staph aureus and strep A
-penicinase resestant pen
necrotizing fascitis can be caused by what 4 bugs
staph, clostridium, strep A and gram-negative enterics
2 bugs that cause Toxic shock sydrome
staph aureus and strep A
pt presents with chorea (dance like movements of the extremities ). he had a sore throat 3 weeks ago. what does he have
RF from strep A
gram positive that could cause chest pain and arrhtymias
step A
three most comon bugs that cause meningitis in infants younger than 3 months
e. coli, listeria, strep B
two bugs that cause endocarditis-
difference?
staph and strep viridians
-staph fast, strep slow
strep that causes is major cause of nosocomail and UTI
enterococcus
major cause of meningitis in adults
neisseria meningitidis, strep pneumoniae
most common cause of pnemonia in adults
step pneumoniae
most common cause of otitis in kids and meningitis in adults
step pneumoniae
most skin infections are caused by what two things and should be treated with what?
staph aureus or strep A
penicilinase resistant pen
most frequent cause of infected prosthetic devices
staph epidermis
second most common cause of UTI in sexually active wowen
staph CNS
6 important gram + bacteria
2 cocci
4 rods (bacilli) (2 spore forming and 2 not
strep and staph
bacillus (spore forming; antracis and cereus)and clostridum; botulinum, tetani, difficil, perfringens

non spore; corynebacterium and listeria
which rods like O
vacillus likes, clos does not
when are spores activated
when in host
how do pt of botulism vs. tetanus look
floppy vs. rigid
pt with weakness, malaise, and dizziness, dry mouth.^.'A constipation, and urinary retention. Descending paralysis follows in one to three days with diplopia, blurred vision, photophobia, dysphonia, dysarthria, and dysphagia first, then weakness of extremities in descending order; 4-14 days after contaminated wound
wound botulism
Incubation period 2 to 6 weeks, followed by abrupt onset of fever (>38.5°C), severe headache, malaise, myalgias. Unlike other rickettsial diseases, rash is absent. include atypical pneumonia and hepatitis.
Coxiella burnetii
1) relapsing high fever
2) generalized myalgias with focal shin pain
3) headache
B. quintana h