msyamp
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LPS. ans is C.
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| sturge_weber
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yes lps
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| skyhigh
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no it G, they are talking about Hemophilus Influenza,
if it was gram neg. bacteria, it would be lipopolysaccharide
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| msyamp
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no they are not talking about hemophilus influenza. H influenza causes epiglotitis
they are talking about strep . they want us to tell what it is lacking compared to h.influenza and n.menigitidis
haha sky high. i may be wrong once or twice or more but not always
Edited by msyamp on 01/15/06 - 03:47 PM
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| skyhigh
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Strep is not gram -, so why would it have lipopolysaccharide,
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| msyamp
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hey just read the question. he is asking
Which of the following virulence factors is generally absent in the strains of the causative organism that produce otitis media, compared with those that produce epiglottitis or meningitis?
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| skyhigh
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so should n't we say that HI has polyribitol phosphate but strep doesn't.
We can't say that HI HAS lipopolysaccharide, but strep doesn't.
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| msyamp
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why can't say that HI HAS lipopolysaccharide, but strep doesn't???
A previously healthy 18-month-old girl is brought to the office with 2 days of irritability, poor appetite, and pulling at her left ear.( The most common bacterial pathogen in AOM is Streptococcus pneumoniae)She has no known allergies, and her vaccinations are up-to-date. On examination, the child's temperature is 102.8 F. She is easily consoled by the mother and moves her neck spontaneously without discomfort. There is a clear discharge from the nares. The left tympanic membrane is erythematous, dull, and bulging. Which of the following virulence factors (LPS) is generally absent in the strains of the causative organism(Streptococcus pneumoniae ) that produce otitis media, compared with those that produce epiglottitis(h. influenza) or meningitis(neisseria meinigitides)?
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| skyhigh
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OH YEAH makes sense, i forgot HI is gram neg.
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| msyamp
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its ok. i forgot it has got polyribitol. thanks
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| sturge_weber
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well good one, my mind got blocked reading ur explanations
i had to go and check the book
hahaha
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| robin082006
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hi, so did you guys decide which one is correct?
firstly what organism does this scenario discuss about?
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| msyamp
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they are talking about strep . they want us to tell what it is lacking compared to h.influenza and n.menigitidis
answer is LPS
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| robin082006
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wrong
try again
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| roopashri
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skyhigh u r correct.... it is a case of H.influenza otitis media. Qn asks to diff bwn Type B which possess polyribitol phosphate capsule causative organism for meningitis and epiglottitis... otitis is not by type B
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| msyamp
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A previously healthy 18-month-old girl is brought to the office with 2 days of irritability, poor appetite, and pulling at her left ear.( The common bacterial pathogen in AOM is type B h. infulenza)She has no known allergies, and her vaccinations are up-to-date. On examination, the child's temperature is 102.8 F. She is easily consoled by the mother and moves her neck spontaneously without discomfort. There is a clear discharge from the nares. The left tympanic membrane is erythematous, dull, and bulging. Which of the following virulence factors (polyribitol) is generally absent strains of the causative organism(hemophylus influenza -- non typable ) that produce otitis media, compared with those that produce epiglottitis(h. influenza type B) or meningitis(h. influenza type B
ans is polyribitol
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| msyamp
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well very tricky
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| robin082006
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yes ans is polyribitol
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