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

Question

Quizplus · Accepted Answer

The PYR test is used to presumptively differentiate $\beta$-hemolytic Group A streptococci (Streptococcus pyogenes) and nonhemolytic Group D enterococci from other streptococcal species, as both are PYR positive.

What Test Presumptively Differentiates β\betaβ -Hemolytic Group a Streptococci and Nonhemolytic Group D Enterococci from Nonhemolytic

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