Agar dilution and disk diffusion tests for Streptococcus pneumoniae and Streptococcus spp.use:
A) Mueller-Hinton agar supplemented with X and V factors
B) Columbia base supplemented with 5% sheep blood
C) Trypticase soy agar base supplemented with 5% lysed horse blood
D) Mueller-Hinton agar supplemented with 5% sheep blood

Question

Quizplus · Accepted Answer

S.pneumoniae and Streptococcus spp.require a more nutritious medium for antimicrobial susceptibility testing; they will not grow satisfactorily unsupplemented.Broth dilution tests are performed in Mueller-Hinton broth that has been supplemented with 2% to 5% lysed horse blood.Agar dilution and disk diffusion tests are performed using Mueller-Hinton agar supplemented with 5% sheep blood.

Agar Dilution and Disk Diffusion Tests for Streptococcus Pneumoniae and Streptococcus