STAPHYLOCOCCUS

Question 1

staphylococcus come from the greek term STAPHILE means

Answer 1

bunches of grapes

Question 2

colony morphology of staphylococcus

Answer 2

cream colored, white, or rarely light gold, buttery-looking

Question 3

staphylococcus resemble some members of the family micrococcaceae such as the genus __

Answer 3

micrococcus

Question 4

staphylococcal species can be initially differentiated by __ test

Answer 4

coagulase test

Question 5

what are the staphylocoagulase-produsing genus

Answer 5

aureus
intermedius
pseudointermedius
hyicus
delphini
lutrae
agnetis
some strain of schleiferi

Question 6

causes bacterial cells to agglutinate in plasma and was the basis of a test known as the slide coagulase test

Answer 6

clumping factor

Question 7

is the most clinically significant species of staphylococcus

Answer 7

Staphylococcus aureus

Question 8

superficial infection of S.aureus

Answer 8

impetigo and cellulitis

Question 9

subcutaneous infection of S.aureus

Answer 9

carbuncles

Question 10

systemic and organ infection of S.aureus

Answer 10

bacteremia and septicemia

Question 11

a commmon cause of infective endocarditis and toxin-induced disease such as food poisoning, and is associated with scalded skin syndrome and toxic shock syndrome

Answer 11

staphylococcus aureus

Question 12

SSS and TSS

scalded skin syndrom and toxic shock syndrome

Answer 12

S. aureus

Question 13

which staphylococcus has been known to cause various healthcare acquired or nosocomial infections

Answer 13

staphylococcus epidermidis

Question 14

which staphylococcus has been associated mainly with UTI

Answer 14

S.saprophyticus

Question 15

which staphylococcus has been occasionally recovered from wounds, septicemia, UTI, and native valve infections

Answer 15

S.haemolyticus

Question 16

which staphylococcus has been known as an aggressive pathogen and has been associated with catheter-related bacteremia and endocarditis

Answer 16

S. lugdunensis

Question 17

virulence factors of S.aureus

Answer 17

enterotoxins
cytolytic toxins
protein A

Question 18

Staphylococcal food poisoning is most commonly caused by what enterotoxins of S.aureus

Answer 18

A, B, and D

Question 19

the enterotoxins of S.aureus are produced by ___ to __% of S.aureus

Answer 19

30%-50%

Question 20

enterotoxins of S.aureus are stable at 100*C for how many mns

Answer 20

30 mns

Question 21

which enterotoxins of S.aureus are associated with TSS

Answer 21

B and C

sometimes G and I

Question 22

exfoliative toxin is also known as

Answer 22

epidermolytic toxin

Question 23

2 types of exfoliative toxin of S. aureus

Answer 23

A and B

Question 24

they cause the epidermal layer of the skin to slough off and are known to cause staphylococcal SSS

Answer 24

exfoliative toxin

Question 25

exfoliative toxin they cause the epidermal layer of the skin to slough off and are known to cause staphylococcal SSS this disease is sometimes referred to as

Answer 25

ritter disease

Question 26

this toxin of S.aureus has also been implicated in bullous impetigo

Answer 26

exfoliative toxin

Question 27

hemolysin of S.aureus that causes lysis to erythrocytes, damage platelets, and macrophages, and cause severe tissue damage

Answer 27

a-hemolysin

Question 28

hemolysin of S.aureus that acts on sphingomyelin in the plasma membrane of erthrocytes and is called the "hot-cold" lysin

Answer 28

b-hemolysin

Question 29

gamma hemolysin is found only in associated with ____

Answer 29

panton-valentine leukocidin (PVL)

Question 30

is an exotoxin lethal to polymorphonuclear leukocytes

Answer 30

PVL - panton valentine leukocidin

Question 31

hemolysin of S.aures responsible for CAMP assay effectiveness

Answer 31

B hemolysin

Question 32

enzyme of s.aureus that cleaves the ring structure of penicillins and derivative antibiotic, making them ineffective

Answer 32

b-lactamase

Question 33

altered membrane binding protein resulting in resistance to some b lactam-antibiotics

Answer 33

penicillin binding protein 2

Question 34

enzyme of S,aureus that permits it to spread through connective tissues

Answer 34

hyaluronidase

Question 35

enzyme of S,aureus that degrades lipids on the skin surface, making it more susceptible to bacterial entry intro epidermal layers

Answer 35

lipases

Question 36

enzyme of S,aureus responsible for a posotiv etube coagulase test result

Answer 36

staphylocoagulase

Question 37

a toxin of S.aureus which is considered a `superantigen` causing an overreactive immune response

Answer 37

TSS toxin-1

Question 38

TSS toxin-1 is formerly knoiwn as

Answer 38

asenterotoxin F

Question 39

virulence factor of S.aureus that binds IgG and prevents phagocytosis

Answer 39

PROTEIN A

Question 40

types of epidermolytic toxin/exfoliative toxin that is solely responsible for SSS

Answer 40

A and B

Question 41

benign skin infection of S.aureus

Answer 41

folliculitis furuncles bullous impetigo

Question 42

is a relatively mild inflammation of a hair follicle or oil gland

Answer 42

folliculitis

Question 43

in contrast with furuncles, patients with __ often present with fever and chills, indicating systemic spread of the bacteria

Answer 43

carbuncles

Question 44

is staph SSS same with TEN - toxic epidermal necrolysis?

Answer 44

nope, TEN has multiple causes but is most commonly associated with drug reactions, linked to antmicrbials and anticonvulsives

Question 45

a rare but potentially fatal, multisystem disease characterized by sudden onset of fever, chills, vomiting, diarrgea, muscle aches, and rash, which can quickly progress to hypotension and shock

Answer 45

TSS - toxic shock syndrome

Question 46

remains the treatment of choice for MRSA infection

Answer 46

vancomycin

Question 47

is frequently used in staphylococcal skin infectios,

Answer 47

clindamycin