DrVirgo
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12. A 65 year old woman has fever, back pain, and dizziness on standing. her blood pressure is recorded as 70/0 mmHg in the ER. Blood and urine cultures subsequently grow E. coli. Which of the following bacterial structures is most likely responsible for the hypotension?
A. Capsular polysaccharide
B. Fimbria
C. Lipid A
D. O Antigen
E. Porin
C/D?
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| robin082006
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A, endotoxin cause septic shock
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| leen
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A
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| DrVirgo
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I think its the O Antigen (cell envelope) that contains endotoxin... so D?
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| reet
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C. lipid A
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| Cedrick
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Lipid A is a nasty lipid
C
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| Diego Casali
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C for sure.
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| truedeam59
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Go to first aid 2006 page 130. lipid A induces TNF and IL-1- Plysccharide is the antigen.
So answe should be C
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| docswapna
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yes lipid A.
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| klimt
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lipid A cuz it is the one releasing TNF and IL1 which cause septic shock
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| jsknetsdude
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C. Lipid A
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| ManuNastai
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| mohelgamal
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lipid a is the endotoxin
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