The flashcards below were created by user
ssbhat
on FreezingBlue Flashcards.
-
Giemsa stain
Chlamydia, Borrelia, Rickettsiae, trypanosomes, Plasmodium
Certain Bugs Really Try my Patience
-
PAS stain
stains glycogen, mucopolysaccharides - used to diagnose Whipple's disease (tropheryma whippelii)
-
Ziehl-Neelsen
Acid-fast organisms
-
India Ink
Cryptococcus Neoformans
-
Mucicarmine
Cryptococcus neoformans (stain thick polysaccharide capsule red)
-
Silver stain
fungi(pneumocystis), Legionella
-
Chocolate agar with factors V(NAD+) and X (hematin)
H. influenzae
-
Thayer Martin (VPN media)
N. gonorrhoeae
Vancomycin inhibits gram+, polymyxin inhibits gram-, nystatin inhibits fungi
-
Bordet-Gengou (potato) agar
B. pertussis
-
Tellurite plate
C. diphtheriae
-
Loffler's media
C. diphtheriae
-
Lowenstein-Jensen agar
M. tuberculosis
-
Eaton's agar
M. pneumoniae
-
Pink colonies of MacConkey's agar
Lactose-fermenting enterics (ex: E. Coli)
-
Eosin-methylene blue agar
E. Coli ( colonies w/ metallic sheen)
-
Charcoal yeast extract agar buffered with cysteine & iron
Legionella
-
-
Obligate aerobes
- Nocardia
- Pseudomonas aeruginosa
- Mycobacterium tuberculosis
- Bacillus
- (Nagging Pests Must Breath)
-
Obligate anaerobes
- Clostridium
- Bacteroides
- Actinomyces
- (Can't Breathe Air) - Aminoglycosides are inneffective because they require O2 to enter
-
Produce yellow sulfur granules composed of a mass of filaments and formed in pus
Actinomyces israelii
-
-
Blue-green pigment
Pseudomonas aeruginosa
-
Red Pigment
Serratia marcescens
-
Inactivates elongation factor (EF-2) causing pharyngitis and pseudomembrane in throat & severe LAD (bull neck)
Cornybacterium diphtheriae (similiar to psuedomonas)
-
ADP ribosylation of G protein stimulates adenylyl cyclsase; increased pumping of Cl- into gut and decreased Na absorption.
Vibrio cholera
-
Heat-labile toxin stimulates adenylate cyclase
Heat-stable toxin stimulates guanylate cyclase.
Both cause water diarrhea
E. Coli
-
Increases cAMP by inhibiting Galphai
Bordetella pertussis
-
alpha toxin, lecinthinase that acts as a phospholipase to cleave cell membranes and causes gas gangrene, double zone of hemolysis on blood agar
Clostridium perfringens
-
Blocks release of GANA and glycine
C tetani - causes lockjaw
-
Blocks release of Ach
C. botulinum
-
Edema factor, part of the toxin complex is a adenylate cylase
Bacillus anthracis
-
Cleaves host rRNA (inactivates 60S ribosome), also enhances cytokine release
Shiga toxin (Shigella and E. Coli 0157:h7) - causing HUS
-
induces actin depolymerization leading to mucosal cell death, necrosis of colonic mucosal surfaces, and pseudomembrane formation
C. difficile - cytotoxin B
-
potent inhibitor of RNA pol II halting mRNA synthesis
Amatoxin
-
Acquired via ingestion of unpasteurized milk/cheese and deli meats or vaginal transmission.
Forms actin rockets - tumbling motility
Listeria monocytogenes
-
acute liver inflammation d/t PID from Gonococci
Fitz-Hugh-Curtis
-
Weil's disease - severe form with jaudice and azotemia from liver and kidney dysfunction; fever, hemorrhage, and anemia
Leptospira interrogans
-
water contaminated with animal urine
flulike sx, photophobia w/ conjunctivitis
surfers in the tropics
Leptospira interrogans
-
cat scratch, can cause bacillary angiomatosis in immunocompromised (often confused with Kaposi's sarcoma)
Bartonella
-
Animal bite; cats, dogs
cellulitis, osteomyelitis
Pasterella multocida
|
|