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Microbiology- Enterobacteriaceae
Test 2
22
Biology
Undergraduate 4
09/23/2009

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Cards

Term
Describe the gram stain morphology of enterobacteriaceae
Definition
gram negative rods
Term
Do Enterobacteriaceae form spores?
Definition
No.
Term
Most enterobacteriaceae are normal flora of what part of the body?
Definition
intestines
Term
Which four types of enterobacteriaceae are never considered normal flora?
Definition
Salmonella, Shigella, Yersinia and E.coli 0157:H7
Term
Exotoxins of enteric gram negative bacteria are generally called what?
Definition
enterotoxins
Term
Are enterotoxins exotoxins or endotoxins?
Definition
exotoxins
Term
What is the protective function of capsules?
Definition
antiphagocytic
Term
What is the benefit of pili?
Definition
attachment to epithelial cells
Term
Which antibody class is stimulated by O antigens?
Definition
IgM
Term
Which kind of antigens resist heat and alcohol?
Definition
O antigens
Term
What part of the bacteria are the O antigens in?
Definition
cell wall
Term
What kind of organisms have H antigens?
Definition
flagellated organisms.
Term
Are H antigens destroyed by heat and/or alcohol?
Definition
H antigens are destroyed by heat and alcohol
Term
Which class of antibodies are formed in response to H antigens?
Definition
IgG.
Term
What part of the organism is associated with K antigens?
Definition
capsule
Term
Which kind of antigen may serve as attachment sites to epithelial cells?
Definition
K antigens
Term
disease characterized by inflammation of mucous membrane of stomach and intestine
Definition
gastroenteritis
Term
diesease characterized by inflammation of mucous membrane of small and large intestine
Definition
enterocolitis
Term
disease characterized by inflammation of mucous membrane of large intestine
Definition
colitis
Term
disease of intestine marked by frequent watery stool often containing blood and mucus
Definition
dysentery
Term
What are the four ways that enterobacteriaceae are transmitted?
Definition
fecal-oral, insects, fomites, contaminated food
Term
disease characterized by inflammation of urinary bladder
Definition
cystitis
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