Gram + cocci to gram neg aerobic cocci

Question 1

virulence factor that supress/inhibits phagocytosis exotoxins that kills wbc

Answer 1

Leucocidin

Question 2

Another name for Leucocidin

Answer 2

Panton Valentine

Question 3

The golden yellow pigment in Staphylococcus aureus is due to

Answer 3

Staphyloxanthin

Question 4

Golden grape like clusters also called buttery or old paint appearance

Answer 4

Staphylococcus aureus

Question 5

Large smooth, white or pigmented creamy yellow colonies

Answer 5

BAP (Blood agar plate)

Question 6

Meaning of CNA

Answer 6

Colistin Nalidixic Acid

Question 7

Can be used as base media for BAP

Answer 7

Columbia CNA

Question 8

Responsible for boils. Initiates skin infection

Answer 8

Lipase

Question 9

Free. Marker of virulence. converte fibrinogen to fibrin

Answer 9

Coagulase Clumping factor A

Question 10

Also called as Duran-Raynal Factor. A spreading factor

Answer 10

Hyaluronidase

Question 11

Dissolves fibrin clot and also called as fibrinolycine

Answer 11

Staphylokinase

Question 12

Virulence factor resistance to penicillin

Answer 12

Beta Lactamase

Question 13

Virulence factor that has toxic effects on neutrophils

Answer 13

Urease

Question 14

Virulence factor in food poisoning

Answer 14

Enterotoxin A-F (Neurotoxin)

Question 15

Virulence factor that also kills wbc

Answer 15

Protein A (cell wall)

Question 16

Transmission of fomites

Answer 16

Aerosol

Question 17

Transmission of Surgical wounds

Answer 17

Abrasion

Question 18

Number 1 cause of Musculoskeletal

Answer 18

Staphylococcus aureus

Question 19

Three types of intoxication

Answer 19

Food poisoning, TSST-1 and SSSS

Question 20

Gastroenteritis or food poisoning occurs how many hours after ingesting toxin?

Answer 20

1-8 hours

Question 21

Type of enterotoxins commonly associated with food poisoning

Answer 21

Types A and D enterotoxins

Question 22

Types of enterotoxin that is associated with Toxic shock syndrome

Answer 22

Enterotoxin F and enterotoxin C

Question 23

Tampons are associated with

Answer 23

Toxic shock syndrome (TSS)

Question 24

Facilitates intracellular adhesion on skin limited to stratum. Occurs in babies or newborns

Answer 24

Staphylococcal Scalded Skin Syndrome (SSSS)

Question 25

Also called as Pemphigus neonatorum or Ritter’s disease or Localized bullous impetigo

Answer 25

Staphylococcal Scalded Skin Syndrome (SSSS)

Question 26

Gram stain must be cultured within

Answer 26

24-36 hours (maximum 2 days)

Question 27

Test for bound/clumping factor and a screening test

Answer 27

Slide test

Question 28

test for Free coagulase and a confirmatory test

Answer 28

Tube test

Question 29

Anticoagulant of tube test in coagulase test

Answer 29

EDTA

Question 30

Meaning of CONS

Answer 30

Coagulase Negative Staphylococci

Question 31

Reagent that gives better clotting effects and free from inhibitor.

Answer 31

Rabbit EDTA plasma

Question 32

How many ml of Rabbit EDTA Plasma?

Answer 32

0.5-1ml

Question 33

Reagent that gives false positive in coagulase test

Answer 33

Citrate

Question 34

ml of NaCl Staphylococcus aureus needs to grow

Answer 34

7.5 to 10%

Question 35

Medium of Mannitol salt agar

Answer 35

7.5% NaCl

Question 36

Test that is high in salt content

Answer 36

Mannitol salt agar

Question 37

Indicator of Mannitol salt agar

Answer 37

Red

Question 38

Differentiate S. aureus from S. intermedius

Answer 38

Voges-Proskauer

Question 39

Result of Voges-Proskauer

Answer 39

Pink/Burgundy/Maroon

Question 40

How many units of Bacitracin in S. aureus and S. pyogenes

Answer 40

0.04 units

Question 41

Other Dnase positive

Answer 41

S. aureus, Moraxella and Serratia

Question 42

Performed on BAP

Answer 42

Furazolidone

Question 43

Result of clearing of agar

Answer 43

DNase test

Question 44

DNA + Methyl green = Clear zone

Answer 44

Staphylococcus aureus

Question 44

DNA + Toluidine blue = color of the zone?

Answer 44

pink zone

Question 45

Color of positive beta lactamase production

Answer 45

pink to red

Question 46

spp of staph that is gram positive in tetrads. Catalase positive and coagulase positive

Answer 46

Micrococcus

Question 47

Meaning mRSA

Answer 47

Methicillin resistant Staphylococcus aureus

Question 48

Culture of staph and strep

Answer 48

phenyl, ethyl, alcohol, agar (PEA)

Question 49

Spp of staph not associated in human infection and used in animal feeds, dairy and cosmetics

Answer 49

Micrococcus

Question 51

spp of staphy associated with marine environment

Answer 51

Planococcus

Question 51

spp of staph, cuboidal packages and can be cultivated from stomach contents

Answer 51

Sarcinae

Question 52

Another term for Rothia mucilaginosa

Answer 52

Stomatococcus mucilanginosus

Question 53

spp of staph isolated from the mucous membrane of the cheek and gingiva. emerging pathogen in immunocompromised patients

Answer 53

Rothia mucilaginosa

Question 54

spp of staph Frequent cause of endocarditis and may cause catheterilated bacteremia

Answer 54

Staphylococcus lugdunensis

Question 55

Ferments mannitol and slide coagulase positive

Answer 55

Staphylococcus lugdunensis

Question 56

spp of staph positive in tube coagulase

Answer 56

Staphylococcus haemolyticus

Question 57

spp of staph responsible for various nosocomial infections including bacteremia, brain abscess, and infection of intravenous pacemakers

Answer 57

Staphylococcus schleiferi