Bacteriology - 27 Strep

Front 1

Group A Strep

Back 1

streptococcus pyogenes

Front 2

Group B Strep

Back 2

Streptococcus agalactiae

Front 3

Group D Strep

Back 3

S. bovis
E. faecalis

Front 4

Strep with no lancefield group

Back 4

viridans
s. pneumoniae
anaerobic strep

Front 5

S. pyogens disease

Back 5

acute pharangitis

Front 6

s. agalcatiae disease

Back 6

neonatal meningitis and sepsis in adults

Front 7

e. faecalis and s. bovis disease

Back 7

UTI, endocarditis

Front 8

virdans disease

Back 8

caries, endocarditis

Front 9

s.pneumoiae

Back 9

lobar pneomonia

Front 10

Group A acute infections include?

Back 10

strep pharyngitis
scarlet fever
impetigo
erysipelas
strep toxic shock
ednocarditis
necrotizing fascitis

Front 11

Strep pharyngitis

Back 11

purulent exudate
tonsilitis
A

Front 12

Scarlet Fever

Back 12

pharyngitis
erythematous punctiform rash
A

Front 13

Impetigo

Back 13

infection of superficial layers of skin in children
A

Front 14

Erysipelas

Back 14

infection of skin and subcutaneous tissue edema with distinctive advancing border
A

Front 15

Strep TSS

Back 15

superantigens
A

Front 16

Endocarditis

Back 16

injured or congenitally deformed heart tissues
A

Front 17

Necrotizing fascitis

Back 17

infection of deeper subcutaneous tissue and fascia with extensive necrosis and gangrene
A

Front 18

Group A late Sequelae

Back 18

rheumatic fever
glomerulonephritis

Front 19

Rheumatic Fever

Back 19

type II hypersensitivity
cross rxt with human heart Ag
fever,k polyarthritis adn carditis

Front 20

glomerulonephritis

Back 20

typer III hypersenstiitvity
deposit AgAg complexes in glomerular BM
fever, blood in urine, edema

Front 21

Characteristics of strep pyogens

Back 21

gram + cocci
nonmotile
catalase negative
HA - capsule
divide in 1 plane

Front 22

What is the metab of strep pygens?

Back 22

facultatively anaerobic
obligate anerobes

Front 23

What organisms does s. pneumonia infect?

Back 23

HUMANs only

Front 24

How is s. pyogenes spread?

Back 24

respiratory droplets

Front 25

5 important antigenic structures in group A strep

Back 25

R ant T protiens
M protiens
lipoteichoic acid
HA capsule
antigenic mimicry

Front 26

what is the important antigenic structure of s. pneumoniae?

Back 26

capsular polysaccharides

Front 27

R adn T protiens are?

Back 27

epidemilogical markers on group A strep

Front 28

M protiens are?

Back 28

virulence determinants that encode anti-phagocytic stuff

Front 29

Lipteichoic acid is?

Back 29

mediates attatchment to host cells in group A strep

Front 30

HA capsule does what?

Back 30

cross reacts with host CT in group A strep

Front 31

Anitgen mimicry is impt in group a strep because?

Back 31

ctross rxt with many diff types of tissues

Front 32

what is teh purpose of capsular polysaccharides in s. pnuemoiniae?

Back 32

anti-phagocytic
major virulence factor
23 diff

Front 33

What are teh types of leuotoxins?

Back 33

Streptolysin S - O2 stable hemolysin
Streptolysin O - reversibel O2 labile hemolysin
NADase

Front 34

Hyaluronidase does?

Back 34

lyses host CT and capsule

Front 35

What is streptokinases activity?

Back 35

fibrin lysis

Front 36

What are pyrogenic exotoxins SPEs ABC?

Back 36

superantigens

Front 37

Pyrogenic exotoxins are associated with?

Back 37

triggering non-specific cytokine production

Front 38

Postinfectious sequelae occur with?

Back 38

s. pyogenes but NOT s. pneumoniae

Front 39

Group B - s. agalactiae

Back 39

skin infections in pts w. vascular disease
neonate infections, menigitis

Front 40

Group D infections

Back 40

s. bovis - bowel disease

Front 41

Viridans infections

Back 41

endocarditis, dental carries

Front 42

Enterococci characteristics

Back 42

gram + cocci
highly resistant to Ab tx

Front 43

2 impt species of enterococi

Back 43

e. faecalis
e. faecium