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Chapter 25
Diseases of the Digestive System
32
Microbiology
Undergraduate 1
04/26/2011

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Term
staphylococcal food poisoning bacteria
Definition
S auerus; ingestion of enterotoxin
Term
food poisoning illness
Definition
hours after ingestion rather than days; vomiting and diarrhea
Term
Shigellosis bacteria
Definition
gram negative rods; sonnei, dysenteria, flexneri and boydii
Term
S. sonnei
Definition
most common shigellosis
Term
S. dysenteriae
Definition
most severe form
Term
Shigellosis disease
Definition
shiga toxin; not affected by stomic acid, multiplied in small intestine but disease in large intestine
Term
Shigellosis progression
Definition
enters M cells, invades neighboring cells, destroys cells and damages walls
Term
shigellosis treatment
Definition
antibiotics and rehydration therapy
Term
salmonella bacteria
Definition
gram negative facultative rods; enterobacteriaceae; all pathogenic; inhabit the intestine of humans and some animals
Term
salmonella progression
Definition
enter small intestine, divid within epithelial cells and macrophages, invade intestinal wall, enter lymphatic and circulatory systems; ~12-36 hours
Term
salmonella symptoms
Definition
fever, nausea, abodominal pain, cramps and diarrhea
Term
salmonella treatment
Definition
oral rehydration therapy for treatment
Term
Where salmonella is
Definition
meat, pet reptils and primarily eggs
Term
salmonella diagnosis
Definition
isolation of organism from patients stool
Term
cholera bacteria
Definition
slightly curved; gram negative rod, single polar flagellum
Term
cholera toxin
Definition
induced fluid and electrolyte secretion; loss of fluid and electrolytes resultes in dehydration, collapse and schock
Term
cholera symptoms
Definition
"rice water stool"; blood becomes viscous, vomitting
Term
cholera treatment
Definition
antibiotics and intravenous rehydration therapy absolutely critical
Term
EAggEC (EAEC)
Definition
stacked brick like colonization pattern in small intestine
Term
Enteroinvasive E coli
Definition
produces a shigella-like disease with intense inflamation and ivansion of bowel
Term
Enterohemorrhagic E coli (EHEC)
Definition
produces an invasive shigella like disease and produces a shiga-like toxin
Term
causes hemorrhagic colitis and hemolytic uremic syndrome
Definition
EHEC
Term
helicobacter bacteria
Definition
gram negative curved rod
Term
helicobacter bacteria
Definition
gram negative curved rod
Term
helicobacter disease
Definition
peptic ulcer disease, gastric ad duodenal ulcers as well
Term
Helicobacter progression
Definition
urease secreted cleaves urea to ammonia raising the local pH to a tolerable level
Term
helicobacter treatment
Definition
antibiotic therapy can eliminate the organism
Term
campylobacter bacteria
Definition
gram negative spiral curved rod-shaped microaerophilic bacterium
Term
campylobacter host
Definition
poutlry
Term
C. jejuni
Definition
Predominant campylobacter species
Term
Campylobacter symptoms
Definition
fever, cramping, abdominal pain, diarrhea
Term
Campylobacter complications
Definition
surface polysaccharide resembles component of nervous tissue, results in an autoimmunity resulting in paralysis
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