Which organisms are classified as SPICE organisms?

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Multiple Choice

Which organisms are classified as SPICE organisms?

SPICE organisms are a defined group of Gram-negative Enterobacteriaceae commonly considered in hospital-associated infections and resistance discussions. The members are Serratia, Providencia, Indole-positive Proteus, Citrobacter, and Enterobacter. The best choice lists exactly these organisms, including Proteus vulgaris, which is the indole-positive Proteus component. Other options mix in organisms that aren’t part of SPICE (such as Staphylococcus aureus, Pseudomonas, Enterococcus, Neisseria, or Streptococcus) or combine only a subset or entirely different groups, so they don’t fit the defined SPICE set.

SPICE organisms are a defined group of Gram-negative Enterobacteriaceae commonly considered in hospital-associated infections and resistance discussions. The members are Serratia, Providencia, Indole-positive Proteus, Citrobacter, and Enterobacter. The best choice lists exactly these organisms, including Proteus vulgaris, which is the indole-positive Proteus component. Other options mix in organisms that aren’t part of SPICE (such as Staphylococcus aureus, Pseudomonas, Enterococcus, Neisseria, or Streptococcus) or combine only a subset or entirely different groups, so they don’t fit the defined SPICE set.

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