Micro - Bacteria Flashcards
most common bacterial STD
Chlamydia
polyarticular arthritis
Neisseria gonnorhea
Petechial rash all over (3)
Neisseria gonnorhea
Ricketsia
CMV
Maltose fermenting Neisseria
MeninGococci
M for maltose and G for glucose
MOA of resistance for STD to vaccine
rapid antigenic shifts of pious proteins in N. gonococci
- not seen in N meningococci (have a vaccine)
IgA protease (2)
Nesseira (both types)
Streptococcal pneumonia
Gullien barre associated (2)
Camplobacter jejuni
URI
extracellular elementary bodies made by which organism?
found in Chlamydia trachomatis and
-retiulate bodies intracellular
Clue cells
Vagninosis
Gardenella vaginalis
Selective growth of a bloody diarrhea causing bug
42 degrees
Camplylobacter jejuni
Oxidase +
gram -
comma shaped
Phenylenediamine Test
Oxidase test Positive -Campylobacter -Neisseria -Helicobacter -Vibrio
Negative
-enterobacteriaeae
McConkey Test
lactose fermentation
Positive
-E coli
Negative
- Salmonella
- Shigella
Exotoxin producing that blocks protein synthesis (4)
Blocks E2F
Corynebacterium dipheriae - toxin
Pseudomonas aerugenosa - Exotoxin A
Inactivated 60s ribosome by removing adenine form rRNA
Shigella -Shiga toxin
EHEC - Shiga like toxin
Infects prosthetics and IV catheters
- Virulence factor?
Staphylococcus epidermidis
- biofilm production
Catalase +, coag -,
novobiocin sensitive,
nonhemolytic
HIV atypical pneumonia
Pneumocystis jiroveccii
Diagnosis- direct fluorescent Ab stain or methenamine silver stain
Aged cheese and deli meats association -
- Causal agent?
- worry w/ 2 populations
Listeria monocytogenes
Bad for pregnant women (spontaneous abortion and amnionistis)
meningitis in older immunocompromised
-IV ampicillin/penicillin Rx
everyone else -gastroenteritis - self resolving
Catalase (+) (7)
PLACESS for CATs
Psuedomonas Listeria Aspergillus Candida E coli Staph aures Serratia
Optochin Test to differentiate between
Streptococcal viridins - Resistant
Streptococcal pneumonia - Sensitive
Novobiocin Test to differentiate between
Antibiotic test
Staphylococcus saprophyticus - resistant
Staphylococcus epidermidis - sensitive
Thayer martin test
Nesseiria
2 organisms that have super antigens -> Shock
Staph aureus (TSST1)
Streptococcus pyrogens - Exotoxin A
Protein A
Staph aureus virulence factor that prevents the Fc of IgG to recognize
pastries, ham and potato salad, rapid onset - 6 hrs N/V
caused by?
Staph aureus w/ enterotoxin A
Bacillus cereus is also <6 hrs but w/ rice
lesion w/ edematous borders and black eschar
cutaneous anthrax - bacillus anthracis
- done by increasing cAMP w/ toxin
boxcar shape gram +
