STREPTOCOCCUS & ENTEROCOCCUS

Question 1

Streptococcus FAMILY

Answer 1

Streptococcacea

Question 2

Majority of strepto are __ anaerobes

Answer 2

facultative

Question 3

ANTIGEN Group A

Answer 3

rhamnose-N-acetylglucosamine

Question 4

ANTIGEN Group B

Answer 4

rhamnose-glucosamine polysaccharide

Question 5

ANTIGEN Group C

Answer 5

rhamnose-N-acetylgalactosamine

Question 6

ANTIGEN Group D

Answer 6

glycerol teichoic acid containing D-alanine and glucose

Question 7

ANTIGEN Group F

Answer 7

glucopyranosyl-N-acetylgalactosamine

Question 8

the only acid stable in Lancefield group Antigen

Answer 8

S.agalactiae (B)

Question 9

C carbohydrate (polysaccharide) in the cell wall

Answer 9

Lancefield Classification

Question 10

Group A

Answer 10

S.pyogenes

Question 11

Group B

Answer 11

S.agalactiae

Question 12

Group C

Answer 12

S.dysagalactiae

Question 13

Group D

Answer 13

S.bovis group

Question 14

Group A, C, F, G, N

Answer 14

Anginosus
Mutans
Mitis
Salivarius

Question 15

streptococcus that does not have antigen

Answer 15

S.pneumoniae

Question 16

S.pneumoniae is also part of ____

Answer 16

viridans group

Question 17

8 virulence factor of GAS

Answer 17

1. M protein
2. Protein F & Lipoteichoic Acid
3. Hyaluronic Acid Capsule
   4.Streptolysin O and S
4. Deoxyribonuclease
5. Streptokinase
   7.Hyaluronidase
6. Streptococcal Pyrogenic Exotoxins

Question 18

M protein is encoded by the genes

Answer 18

emm

Question 19

resist phagocytosis & adherence to mucosal cells

Answer 19

M protein

Question 20

adherence to epithelial cells

Answer 20

Protein F and Lipoteichoic Acid

Question 21

Meaning of Protein F

Answer 21

Fibronectin binding protein

Question 22

impede phagocytosis
most noticeable in very young cultures

Answer 22

Hyaluronic ACid Capsule

Question 23

SLO anaerobic or aerobic?

Answer 23

anaerobic

Question 24

SLS anaerobic or aerobic

Answer 24

aerobic

Question 25

O hemolysin: _

Answer 25

oxygen labile

Question 26

S hemolyis: _

Answer 26

oxygen stable

Question 27

cells lysed: leukocytes, platelets, and other cells as well as RBcs

Answer 27

SLO

Question 28

cells lysed: leukocyetes

Answer 28

SLS

Question 29

highly immunogenic

Answer 29

SLO

Question 30

non-immunogenic

Answer 30

SLS

Question 31

Ab detected by:

Answer 31

Anti-streptolysisn O (ASO) test

Question 32

potent protease

Answer 32

Deoxyribonuclease

Question 33

most common DNase

Answer 33

B

Question 34

DNase immunogenic?

Answer 34

yuh

Question 35

Fibrinolysin

Answer 35

Streptokinase

Question 36

lysis of fibrin clots through the action on plasminogen-plasmin-lyses clot

Answer 36

streptokinase

Question 37

allows bacteria to escape from blood clots

Answer 37

streptokinase

Question 38

immunogenic but not specific to GAS (can be found in Group C & Group G

Answer 38

Streptokinase

Question 39

spreading factor

Answer 39

Hyaluronidase

Question 40

enzyme that solubilize the ground substance of mammalian connective tissues

Answer 40

Hyaluronidase

Question 41

cause a red spreading rash

Answer 41

Streptococcal Pyrogenic Infections

Question 42

red spreading rash referred to as ___

Answer 42

erythrogenic toxin (scarlet fever)

Question 43

-flat
-deep
-indistinct tissue

Answer 43

cellulites

Question 44

-raised
-superficial
-clear, well defined borders

Answer 44

Erysipelas

Question 45

most common GAS infection

Answer 45

Bacterial pharyngitis

Question 46

impetigo,cellulites, erysipelas, wound infection, arthritis, scarlet fever

Answer 46

pyodermal infection

Question 47

Type 2 “flesh eating bacteria”

Answer 47

Necrotizing Fascitis

Question 48

-SpeA
-M1 and M3

Answer 48

Streptococcal Toxic Syndrome

Question 49

rheumatic fever n acute glomerulonephritis

Answer 49

poststreptococcal sequelae

Question 50

Treatment of choice:

Answer 50

penicillin