Exam 1: Bacteria Identification (Gram -) Flashcards
Gram negative bacteria are predominantly what?
Bacilli
Gram (-) bacilli fall into what 2 categories?
Anerobic
Aerobic
You have a Gram (-) bacilli that is anerobic, what 3 bacteria can it be?
Bacteroides spp.
Fusobacterium spp.
Prevotella spp.
What 4 categories can aerobic, Gram (-) bacilli be divided into?
Fastidious
Oxidase (+) Lactose Fermenters
Non-Lactose Fermenters
Enterobacterales
You have a Gram (-) bacilli that is aerobic and fastidious, what 4 organisms could it be?
Campylobacter
Helicobacter
Bartonella
HACEK organism (Haemophilus, Actinobacillus, Cardiobacterium, Elkenella, Kingella)
You have a Gram (-) bacilli that is aerobic, oxidase (+), and a lactose fermenter, what 3 organisms could it be?
Vibro cholerae
Aeromonas hydrophilia
Pasteurella multocida
You have a Gram (-) bacilli that is aerobic and not a lactose fermenter, what 5 organisms could it be?
Acinetobacter spp
Alcaligenes spp
Burkholderia cepacia
Pseudomonas spp
Stenotrophomonas maltophilia
What two categories can Gram (-), aerobic, enterobacterales be divided into?
Lactose Fermenters
Non-lactose Fermenters
You have a Gram (-) bacilli that is aerobic, enterobacterales, and a lactose fermenter. What 4 organisms could it be?
Citrobacter spp
Escherichia coli
Enterobacter spp
Klebsiella spp
“CEEK out lactose”
You have a Gram (-) bacilli that is aerobic, enterobacterales, and not a lactose fermenter. What 6 organisms could it be?
Morganella morgani
Proteus spp
Providencia spp
Salmonella spp
Shigella spp
Serratia marcescens
What are the 2 categories that Gram (-) cocci fall into?
Aerobic
Anaerobic
You have a Gram (-), aerobic cocci. What 2 organisms can it be?
Neisseria spp
Moraxella catarrhalis
You have a Gram (-), anaerobic cocci. What is it?
Veillonella spp
What is the only category that Gram (-) coccobacilli call into?
Aerobic
You have a Gram (-) coccobacilli, what is it?
Haemophilus spp
