Bacitracin sensitivity is used to differentiate ?
Ans. is 'b' i.e., Group A streptococcus from other Beta hemolytic streptococci The bacitracin susceptibility test is used to distinguish Group A streptococci, from other streptococci. This test is used to determine the effect of small amount of bacitracin (0.04U) on an organism.
Group A Streptococcus from staphylococci
Group A streptococcus from other Beta hemolytic streptococci
Group A streptococcus from Gamma hemolytic streptococci.
Group A streptococcus from Alpha hemolytic streptococci