Routine Media Flashcards
Blood Agar
Most pathogens
Chocolate Agar (CHOC)
Haemophilus and Neisseria species
Phenylethyl alcohol agar (PEA)
Selects for: Gram positive cocci and anaerobic gram neg rods
What does CNA agar contain?
Colistin and nalidixic acid that suppresses gram negative growth
CNA agar
Gram positive cocci, esp from wound and stool
CHOC Aga
What does Chocolate Agar (CHOC) contain?
Factors X (hemin) and V (NAD)
Thayer Martin Agar
Neisseria gonorrhoeae and Neisseria meningitidis
Thioglycolate broth
“back up” for anaerobes
Lowenstein-Jensen Agar
Mycobacterium spp
Middlebrook 7H10
Mycobacterium spp
Petragnani Agar
Mycobacterium spp
Brain Heart Infusion
Fastidious and non fastidious organisms
EMB
Enteric GNR
What does EMB contain?
Eosin and methylene blue to inhibit gram positive bacteria
E coli produces green metallic sheen
LF are green-black/purple
Non LF are colorless/light purple