What Test Presumptively Differentiates $\beta$ -Hemolytic Group a Streptococci and Nonhemolytic Group D Enterococci from Nonhemolytic

question 14

Multiple Choice

What test presumptively differentiates $\beta$ -hemolytic Group A streptococci and nonhemolytic Group D enterococci from other streptococcal species?

• A) Bacitracin
• B) Hippurate hydrolysis
• C) PYR
• D) Optochin

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