Microbiology: Gram (-)'s Flashcards Preview

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Flashcards in Microbiology: Gram (-)'s Deck (28):
1

Zoonotic Organisms

Brucella
Bacillus anthracis
Listeria monocytogenes
Salmonella enteriditis
Campylobacter
Chlamydia psitacii
Francisella tularensis
Yersinia pestis

2

Bloody diarrhea bugs

Campylobacter
E. histolytica
Enterohemorragic E. coli
Enteroinvasive E. coli
Salmonella
Shigella
Y. enterocolitica

3

Watery diarrhea bugs

S. aureus
C. difficile
C. perfringes
Enterotoxigenic E. coli
Protozoa: Giardia, Cryptosporidium
V. cholerae
Viruses: Rotavirus, Norovirus , Adenovirus

4

Characteristics of bloody diarrhea

Usually invasive except EHEC
Blood
PMN's
Fever
Bloody diarrhea usually starts watery

5

Major cause of bloody/inflammatory diarrhea

C. jejuni

6

Complications of C. jejuni

GBS (30% in U.S.; serotype O:19)
Reactive arthritis

7

Most common cause of intoxication diarrhea

S. aureus

8

Most common cause of viral gastroenteritis in general

Norwalk or Norvovirus

9

Disease caused by Brucellosis

Undulant fever:
Flu like symptoms with profuse sweating
Chronic?
Depression + sweating

10

Therapy for H. pylori

Triple therapy: Antibiotics Cure Pylori
Amoxicillin (or metro in case of allergy) + Clarythromicin + Omeprazol
Cuadruple therapy: Areas where Clarytromicin resistance
PPI + Bismuth + 2 antibiotics (Metro + Tetracycline)

11

Ca associated with H. pylori

Gastric adenoCa
MALT-oma
B-cell lymphomas

12

Lactose fermenting enteric bacteria

Pink colonies in MacConkey agar: Lactose is KEY
CEEK
Citrobacter
E. coli
Enterobacter
Klebsiella

Serratia

13

Gram (-) Diplococci

N. meningitidis
N. Gonorrhoeae
Moraxella

14

Gram (-) Cocobacilli

H. influenzae
Pasteurella
Brucella
Bordetela pertussis
Francisella tularensis

15

Gram (-) Coma-shaped rods

Campylobacter jejuni
Vibrio cholerae
H. pylori

16

Gram (-) bacilli

Klebsiella
E. coli
Enterobacter
Citrobacter
Serratia
Pseudomonas
Salmonella
Shigella
Yersinia

17

Gram (-) H2S production on TSI agar

Salmonella
Proteus

18

Maltose (+) m/o

Neisseria meningitidis

19

Oxidase (+) m/o

C. jejuni
V. cholerae
H. pylori
Pseudomonas

20

Grows in 42˚C

C. jejuni

21

Grows in alkaline media

V. cholerae

22

Produces urease

H. pylori

23

Non-lactose fermenters enterobacteriaceae

ShYPS
Shigella
Yersinia
Proteus
Salmonella

24

Antigens:
O
H
K
Vi

O = cell envelope
H = flagellar
K = capsule
Vi = Salmonella capsular antigen

25

Currant jelly sputum

Klebsiella
It is thick and bloody

26

Diseases caused by Klebsiella

4 A's
Aspiration pneumonia
Abscess in lung and liver
Alcoholics
DiAbetics

UTI (catheter related)
Septicemia (inmunocompromised)

27

Causal agents of enterocolitis

1. Campylobacter
2. Salmonella

28

Diseases caused by H. influenzae

haEMOPhilus
Epliglottitis
Meningitis
Otitis media
Pneumonia