Culture Media Flashcards
Which medium is also called nutrient media?
General purpose
- Not commonly used in vet med
Which medium keeps bacteria alive but does not encourage growth?
Transport
Which liquid medium favors the growth of a particular organism?
Enrichment
What type of medium do tetrahionate and selenite broth belong to?
Enrichment
Which medium is a basic nutrient medium with additional nutrients added?
Enriched
What type of medium do blood, serum, egg, and chocolate agar belong to?
Enriched
Which medium contains antibacterial substances that kill or inhibit all but a few types of bacteria?
Selective
Which medium may contain either specific nutrients or inhibitory substances?
Enrichment
Which medium facilitiates the isolatoin of a particular genus of bacteria from a mixed inoculum?
Selective
What type of medium is MacConkey agar?
Selective
Which medium allows bacteria to be differentiated into groups based on their biochemical reactions to the medium?
Differential
What type of medium is Simmons citrate?
Differential
What type of hemolysis is exhibited by pathogenic bacteria on blood agar?
beta-hemolysis
What organisms are primarily identified using acid-fast stains?
Mycobacterium
Which agar will only grow gram-negative bacteria and differentiates bateria based on their lactose metabolism?
MacConkey
Favors the growth of a particular organism over others by providing nutrients to help it grow.
Enrichment
Distinguishes bacteria growing o nthe same culture plate by their chemical reactions to the test media.
Differential
Encourages fastidious pathogens to grow.
Enriched
Contains antibacterial substancesthat make it possible for only certain types of bacteria to grow.
Selective
