Micro Flashcards
Which organisms have capsules?
“Even Some Pretty Nasty Killers Have Shiny Bodies”
- E. coli
- Strep pneumonia
- Pseudomonas
- Neisseria meningitidis
- Klebsiella
- H. influenze type B
- Salmonella typhi
- group B strep
Which organisms stain with Giemsa?
“Certain Bugs Really Try my Patience”
- Chlamydia
- Borrelia
- Rickettsiae
- Trypanosomes
- Plasmodium
Which organism stains with PAS?
Tropheryma whipplei
(Whipple disease)
Which organisms stain with Ziehl-Neelsen stain?
aka Carbol Fuchsin
- Acid fast organism
- Nocardia
- Mycobacterium
Which organism stains with India Ink?
Cryptococcus neoformans
Which organisms stain with Silver Stain?
- Legionella
- H. pylori
- Fungi
Which organisms are not visualized well with Gram stain?
“These Microbes May Lack Real Color”
- Treponema = Too thin
- Mycobacteria = High lipid content in cell wall; use carbolfuschsin
- Mycoplasma = No cell wall
- Legionella = Intra-cellular
- Rickettsia = “
- Chlamydia = “
What bacteria produces yellow “sulfur” granules?
Actinomyces israelii
“Israel has yellow sand”
What bacteria produces yellow pigment?
Staph. aureus
“Aureus (Latin) = gold (Au on periodic table)”
What bacteria produces blue-green pigment?
Pseudomonas aeruginosa
What bacteria produces red pigment?
Serratia marcescens
“think red maraschino cherries”
What bacteria are spore formers?
- Clostridium
- except C. diff
- Bacillus
- Coxiella Burnetii
What is the most common cause of meningitis?
Strep pneumoniae
What is the most common cause of osteomyelitis?
Staph aureus
What is the most common bacterial cause of otitis media in children?
Strep pneumoniae
