When should I use gentamicin? - USMLE Forums
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Old 06-21-2011
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Drug When should I use gentamicin?

Gentamicin would be an ineffective drug for which of the following organisms?

A) E. coli
B) B. fragilis
C) Pseudomonas
D) Listeria if combined with ampicilin
E) Proteus
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Old 06-21-2011
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Probably testing whether one knows that aminoglycosides are not effective in anaerobic infections.
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yup,
all aminoglycosides require O2 for uptake
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Quote:
Originally Posted by drciri View Post
did i passed the test?
A+
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Old 06-21-2011
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Quote:
Originally Posted by bebix View Post
Gentamicin would be an ineffective drug for which of the following organisms?

A) E. coli
B) B. fragilis
C) Pseudomonas
D) Listeria if combined with ampicilin
E) Proteus
It should be B.because it is not effective against anaerobes.
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Old 06-21-2011
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I'll go with B... Bacteroides Fragilis as i know is anaerobic... so genta will not work there..
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