Bacteria 7

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Quiz by MedSoc
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Last updated: April 3, 2019
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First submittedApril 3, 2019
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Hint
Answer
What does the ET in ETEC stand for?
Enterotoxinogenic
And the EP in EPEC?
Enteropathogenic
Finally EHEC?
Enterohemorrhagic
What do these bacteria cause formation of in inflammation, though altering shape of the actin cytoskeleton?
Pedestals
What toxin accentuates EHECs effects?
Shigella-like toxin
What is the predominant serotype?
O157
What bactria that can cross the placenta, do pregnant mothers need to be careful of in unpasteurized products?
Listeria
What group are the two toxins produced by C. dificile, leading to diarrheoa and inflammation, which glycosylate small GTPases, subverting the actin cytoskeleton?
Tcd
Hint
Answer
What bacteria that can be a presucrsor to stomach cancer causes gastric ulcers?
Helicobacter pylori
What toxin does this bacteria use to destroy epithelial cells?
Pore-forming Vacuolating cytotoxin (VacA)
Including getamicin and neomycin, what type of antibiotics alter conformation of the 16S rRNA in the 30S subunit, inhibitng tRNA selection?
Aminoglycosides
What tends to be the main way that bacteria can gain multidrug resistance, due to what type of pump removing antibiotics?
Efflux
There are three other key biochemical mechanisms of resistance. These are? In this method the bacteria alters the antibiotic
Enzyme-mediated inactivation
An example of this is ribosomal protection proteins that can dislodge the antibiotic from its objective.
Alteration of target
This is another route to form the substance that the antibiotic is blocking production of.
Metabolic bypass
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