Gram Positive & Negative Rods And Cocci

Front 1

Hyaluronic acid capsule is a characteristic of what organism?

Back 1

Streptococcus pyogenes

Front 2

What virulence factors are associated with Streptococcus pyogenes?

Back 2

M protein (on fimbriae)
Group A-specific C-carbohydrate (composed of rhamnose and N-acetylglucosamine)
Protein F (mediates attachment to fibronectin in pharyngeal epithelium)

Front 3

what is the reservoir for Streptococcus pyogenes?

Back 3

human skin and mucosa only known reservoir

Front 4

Labs for Streptococcus pyogenes?

Back 4

gram-positive
bacitracin sensitive
catalase-negative

Front 5

What are the major Gram-positive rods?

Back 5

Clostridium (anaerobe)
Corynebacterium
Listeria
Bacillus

Front 6

catalase positive
coagulase positive?

Back 6

Stapylococcus aureus

Front 7

catalase positive
coagulase negative
Novobiocin sensitive

Back 7

Staphylococcus epidermidis

Front 8

catalase positive
coagulase negative
Novobiocin resistant

Back 8

Staphylococcus saprophyticus

Front 9

labs for Staphylococcus aureus?

Back 9

Gram positive
catalase positive
coagulase positive

Front 10

labs for Staphylococcus epidermidis?

Back 10

Gram positive
Catalase positive
coagulase negative
Novobiocin sensitive

Front 11

labs for Staphylococcus saprophyticus?

Back 11

Gram positive
Catalase positive
Coagulase negative
Novobiocin resistant

Front 12

Staphylococcus are catalase ______

Back 12

positive

Front 13

Streptococcus species are catalase _____________

Back 13

negative

Front 14

Labs for Streptococcus pneumoniae

Back 14

Gram positive cocci
Catalase negative
α-hemolitic
encapsulated (+ quelling)
Optochin sensitive
bile soluble

Front 15

Labs for Viridans streptococci?

Back 15

Gram positive cocci
Catalase negative
α-hemolitic
no capsule
Optochin resistant
not bile soluble

Front 16

Labs for Streptococcus pyogenes?

Back 16

Gram-positive cocci
Catalase negative
β-hemolytic
Bacitracin sensitive

Front 17

Labs for Streptococcus agalactiae?

Back 17

Gram-positive cocci
Catalase negative
β-hemolytic
bacitracin resistant

Front 18

Labs for Enterococcus and Peptostreptococcus species?

Back 18

Gram-positive cocci
Catalase negative
γ-hemolytic

Front 19

How does the TSST-1 toxin exert it's effects?

Back 19

Binds nonspecifically and activates T lymphocytes

(toxic shock syndrome toxin produced by Staphylococcus aureus - gram +, catalase-positive)

Front 20

What is the major virulence factor of Staphylococcus aureus?

Back 20

Protein A (binds Fc-IgG, inhibiting complement fixation and phagocytosis)

Front 21

name two gram negative cocci

Back 21

Neisseria meningitidis
Neisseria gonorrhoeae

Front 22

how are Neisseria meningitidis and Neisseria gonorrhoeae differentiated?

Back 22

Neisseria meningitidis is a maltose fermenter, Neisseria gonorrhoeae does not ferment Maltose

Front 23

Maltose fermenting gram negative cocci

Back 23

Neisseria meningitidis

Front 24

non-maltose fermenting gram negative cocci

Back 24

Neisseria gonorrhoeae

Front 25

What are the main gram negative Coccoid rods?

Back 25

Haemophilus influenzae
Pasteurella (animal bites)
Brucella (brucellosis)
Bordetella pertussis

Front 26

fast lactose fermenting gram negative rods

Back 26

Klebsiella
E. coli
Enterobacter

Front 27

slow lactose fermenting gram negative rods

Back 27

Citrobacter
Serratia

Front 28

Gram negative rods
lactose nonfermenting
oxidase negative

Back 28

Shigella
Salmonella
Proteus

Front 29

Gram negative rods
lactose nonfermenting
oxidase positive

Back 29

Pseudomonas

Front 30

Labs for Neisseria meningitidis?

Back 30

Gram negative cocci
maltose fermenter

Front 31

Labs for Neisseria meningitidis?

Back 31

Gram negative cocci
maltose nonfermenter

Front 32

Labs for Haemophilus influenzae?

Back 32

Gram negative coccoid rods

Front 33

Labs for Bordetella pertussis?

Back 33

Gram negative coccoid rods

Front 34

Labs for Kebsiella?

Back 34

Gram negative rods
fast Lactose fermenter

Front 35

Labs for E. coli?

Back 35

Gram negative rods
fast Lactose fermenter

Front 36

Labs for Shigella?

Back 36

Gram negative rods
Lactose nonfermenter
Oxidase negative

Front 37

Labs for Salmonella?

Back 37

Gram negative rods
Lactose nonfermenter
Oxidase negative

Front 38

Labs for Proteus?

Back 38

Gram negative rods
Lactose nonfermenter
Oxidase negative

Front 39

Labs for Pseudomonas?

Back 39

Gram negative rods
Lactose nonfermenter
Oxidase positive