RA 1 Flashcards
What gram stain, and morphology is bacillus?
Aerobic gram positive rods
What gram stain and morphology is cornebacterium?
Aerobic gram positive rods
What gram stain and morphology is listeria?
Aerobic gram positive rods
What gram stain and morphology is clostridium?
Anaerobic spore forming gram positive
What gram stain and morphology is staphlococcus?
Gram positive cocci
What gram stain and morphology is enterococcus?
Gram positive cocci
What gram stain and morphology is streptococcus?
Gram positive cocci
What gram stain and morphology is neisseria?
Gram negative cocci
What gram stain and morphology is escheichia?
Enteric gram negative rods
What gram stain and morphology is camylobacter?
Enteric gram negative rods
What gram stain and morphology is yersinia entreocolitica?
Enteric gram negative rods
What gram stain and morphology is salmonella?
Enteric gram negative rods
What gram stain and morphology is shigella?
Enteric gram negative rods
What gram stain and morphology is helicobacter?
Enteric gram negative rods
What gram stain and morphology is vibrio?
Enteric gram negative rods
What gram stain and morphology is bacteroides?
Enteric gram negative rods
What gram stain and morphology is haemophilus?
Nonenteric Gram-negative
rods
What gram stain and morphology is Legionella?
Nonenteric Gram-negative
rods
What gram stain and morphology is Francisella?
Nonenteric Gram-negative
rods
What gram stain and morphology is Pasteruella?
Nonenteric Gram-negative
rods
What gram stain and morphology is Brucella?
Nonenteric Gram-negative
rods
What gram stain and morphology is Rickettsia?
Nonenteric Gram-negative
rods
What gram stain and morphology is pseudomonas?
Nonenteric Gram-negative
rods
What gram stain and morphology is klebsiella?
Nonenteric Gram-negative
rods
What gram stain and morphology is Yersinia pestis?
Nonenteric Gram-negative
rods
What gram stain and morphology is chlamydia?
Elementary
body/Reticulate body-not usually stained
What gram stain and morphology is chlamydophila?
Elementary
body/Reticulate body-not usually stained
What gram stain and morphology is borrelia?
Spirochetes–not usually stained
What gram stain and morphology is treponema?
Spirochetes-not usually stained
What gram stain and morphology is mycoplasma?
No-cell wall-not usually stained
What gram stain and morphology is mycobaterium?
Unique cell wall-not usually stained
What are the two medically important bacterial genera that produce spores?
Bacillus and clostridium
What is the disease caused by bacillus cereus?
food poisoning
What is the disease caused by Bacillus anthracis?
Anthrax poisoning (cuteneous, inhalation, GI)
What is the disease caused by corynebacterium diptheiae? What is the disease causative process?
Diptheria
Toxins in nasopharynx
What is the disease caused by listeria?
infant/prenatal Listeriosis
bacterial menegitis
What is the disease caused by clostriudium botulinum?
From soil, causes neurotoxin and flacid paralysis
What is the disease caused by clostridium tetani?
From soil, produces neurotoxin– tetanus
What are the diseases caused by clostridium perfingens? (3)
Spores from soil
cellulitis, supprative mysitis, and gas gangrene
Which bacteria are catalase positive?
Staphlococci
Which bacteria are catalase negative?
Streptococci, enterococcus
What is the most common causative agent of food poisoning?
Staph auerus
What are the diseases that are caused by staph auerus?
Toxic shock
Scalded skin
Food poisoning
What is the bacteria type that causes most biofilm formation over implanted medical devices?
Staph epidermidis
What is the disease caused by staphlococcus saprophyticus?
UTIs
What is the hemolysis grouping of s.pyogenes?What is the biochemical test used to identify it?
Beta, sensitivity to bacitracin
What is the hemolysis grouping of s.agalactiae?What is the biochemical test used to identify it?
Beta usually; sometimes gamma
cAMP test positive
What is the hemolysis grouping of s.pneumoniae? What is the biochemical test used to identify it?
alpha
Soluble in bile,
sensitive to optochin
Staph aureus:
Positive or negative for coagulase/manitol fermentation
Sensitive or not to novobiocin?
Positive for both coagulase and manitol
Sensitive to novobiocin
Staph epidermidis:
Positive or negative for coagulase/manitol fermentation
Sensitive or not to novobiocin?
Negative for both
Sensitive
Staph saprophyticus:
Positive or negative for coagulase/manitol fermentation
Sensitive or not to novobiocin?
Negative for both
Resistant
What are the diseases that Strep pyogenes causes?
- Strep throat
- Scarlet fever
- Necrotizing fasciitis
- Toxic shock
- Rheumatic fever
- Glomerulonephritis
What bacteria is responsible for most cases of menigitis?
Strep agalactiae (strep B)
Bacilus anthracis:
Morphology?
Does it produce spores?
Is it motile?
Large, end to end chains
Makes spores
Not motile
Bacilus cereus:
Morphology?
Does it produce spores?
Is it motile?
Large
Makes spores
50% motile
Corynebacterium:
Morphology?
Does it produce spores?
Is it motile?
Small, narrow
No spores
Not motile
Listeria monocytogenes:
Morphology?
Does it produce spores?
Is it motile?
Small
No spores
Tumbling motility
Which group of neisseria bacteria are able to metabolize maltose?
N. Meningitidis
E. coli:
Ferment lactose?
Produce H2S gas?
Does ferment lactose
Does not produce H2S gas
Shigella:
Ferment lactose?
Produce H2S gas?
Does not ferment lactose
Does produce H2S gass
Yersinia:
Ferment lactose?
Produce H2S gas?
Does not ferment lactose
Does not produce H2S gas
Campylobacter:
Ferment lactose?
Produce H2S gas?
Does not ferment lactose
Does not produce H2S gas
Helicobacter:
Ferment lactose?
Produce H2S gas?
Does not ferment lactose
Does not produce H2S gas
Vibrio:
Ferment lactose?
Produce H2S gas?
Does not ferment lactose
Does not produce H2S gas
Bacteroides:
Ferment lactose?
Produce H2S gas?
No H2s production
N/A for lactose
Salmonella:
Ferment lactose?
Produce H2S gas?
Does not ferment lactose
Does produce H2S gas
What are the bacteria that do not stain because they lack a cell wall? What do they stabilize their membrane with?
Mycoplasma
sterols
Which bacteria do not stain, and can be identifed with an acid fast stain?
Mycobacterium
Which bacteria do not stain, and can be identified with a wright’s stain
Borrelia
Which bacteria do not stain, and are obligate intracellular pathogens?
Chlamydia and chlamydophila
What is the causative agent of Lyme disease?
Borrelia
What is the causative agent of TB?
Mycobacterium TB
Of the three staph genuses, (s.auerus, s. epidermidis, s. saprophticus), which one is resistant to novobiocin?
s. Saprophyticus
Of the three staph genuses, (s.auerus, s. epidermidis, s. saprophticus), which one is coagulase positive?
S. Aureus
Of the three staph genuses, (s.auerus, s. epidermidis, s. saprophticus), which one has beta hemolysis testing?
S. Aureus