Micro - Bacteria Flashcards Preview

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Flashcards in Micro - Bacteria Deck (24):
1

most common bacterial STD

Chlamydia

2

polyarticular arthritis

Neisseria gonnorhea

3

Petechial rash all over (3)

Neisseria gonnorhea
Ricketsia
CMV

4

Maltose fermenting Neisseria

MeninGococci

M for maltose and G for glucose

5

MOA of resistance for STD to vaccine

rapid antigenic shifts of pious proteins in N. gonococci

- not seen in N meningococci (have a vaccine)

6

IgA protease (2)

Nesseira (both types)

Streptococcal pneumonia

7

Gullien barre associated (2)

Camplobacter jejuni

URI

8

extracellular elementary bodies made by which organism?

found in Chlamydia trachomatis and

-retiulate bodies intracellular

9

Clue cells

Vagninosis

Gardenella vaginalis

10

Selective growth of a bloody diarrhea causing bug

42 degrees

Camplylobacter jejuni

Oxidase +
gram -
comma shaped

11

Phenylenediamine Test

Oxidase test
Positive
-Campylobacter
-Neisseria
-Helicobacter
-Vibrio

Negative
-enterobacteriaeae

12

McConkey Test

lactose fermentation
Positive
-E coli

Negative
-Salmonella
-Shigella

13

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

14

Infects prosthetics and IV catheters

- Virulence factor?

Staphylococcus epidermidis

- biofilm production

Catalase +, coag -,
novobiocin sensitive,
nonhemolytic

15

HIV atypical pneumonia

Pneumocystis jiroveccii

Diagnosis- direct fluorescent Ab stain or methenamine silver stain

16

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

17

Catalase (+) (7)

PLACESS for CATs

Psuedomonas
Listeria
Aspergillus
Candida
E coli
Staph aures
Serratia

18

Optochin Test to differentiate between

Streptococcal viridins - Resistant
Streptococcal pneumonia - Sensitive

19

Novobiocin Test to differentiate between

Antibiotic test

Staphylococcus saprophyticus - resistant
Staphylococcus epidermidis - sensitive

20

Thayer martin test

Nesseiria

21

2 organisms that have super antigens -> Shock

Staph aureus (TSST1)

Streptococcus pyrogens - Exotoxin A

22

Protein A

Staph aureus virulence factor that prevents the Fc of IgG to recognize

23

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

24

lesion w/ edematous borders and black eschar

cutaneous anthrax - bacillus anthracis

- done by increasing cAMP w/ toxin

boxcar shape gram +