Agar Media Flashcards
What color will Salmonella be on XLD agar?
Black
What color will Shigella be on XLD agar?
Red
What color will other Enterobacteriaecae be on XLD agar?
Yellow
Potato-blood-glycerol agar is also know as what type of agar and can be used to recover what organism?
Bordet-Gengou; Bordatella pertussis
What differential Corynebacterium agar contains eggs?
Lofflers
What color colonies does Corynebacterium diptheria produce on Tinsdale agar?
Black
Metachromatic granules are enhanced within the cells of this organism
Coryne diptheria
What agar is used to confirm GROWTH of C. diptheriae
Potassium tellurite agar
What two agars can be used to first try and isolate C. diptheriae?
Loefflers and Tinsdale
What confirmation test is required to confirm toxicity of C. diptheriae before reporting
ELEK test
What type of agar should be used for recovery of ECOL O:157H:7
Sorbitol MAC
What color colonies are produced by ECOL O:157H:7 on SMAC?
Colorless
What color colonies are produced by ECOL species NOT ECOL O:157H:7 on SMAC?
pink
What media is used to isolate Vibrio cholerae
Thiosulfate-Citrate-Bile salt-Sucrose agar (TCBS)
Why does V. cholerae turn yellow on TCBS?
Ferments sucrose
