Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Clinical Bacteriology > STAPHYLOCOCCUS AND MICROCOCCUS > Flashcards

STAPHYLOCOCCUS AND MICROCOCCUS Flashcards

1
Q

Most cocci are gram-positive, EXCEPT:

A

Moraxella
Neisseria
Veillonella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

TRUE OR FALSE; Moraxella is a cocci, gram-negative bacteria

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Veillonella - cocci, gram- *** bacteria

A

gram-negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

TRUE OR FALSE: Neisseria is a cocci, gram-positive bacteria

A

FALSE; cocci, gram-negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Most bacilli are gram-negative, EXCEPT:

A

B(2) - Bacillus, Bifidobacterium
A - Actinomyces
N - Nocardia
S - Streptomyces
C(2) - Clostridium, Corynebacterium
E - Erysipelithrix
L(2) - Listeria, Lactobacillus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

name cocci, gram negative bacteria

A

Moraxella
Neisseria
Veilonella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

these are gram-negative, motile, spiral bacteria

A

spirochetes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Coagulase-negative staphylococci (most commonly encountered)

A

H - Staphylococcus haemolyticus
E - Staphylococcus epidermidis
L - Staphylococcus lugdunensis
S - Staphylococcus saprophyticus
S - Staphylococcus schleiferi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Coagulase-negative staphylococci

A

S - Staphylococcus simulans
C - Staphylococcus capitis
C - Staphylococcus caprae
C - Staphylococcus cohnii
A - Staphylococcus auricularis
W - Staphylococcus warneri
H - Staphylococcus hominis
X - Staphylococcus xylosus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

color of gram positive cocci

A

purple/ violet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

these are the most common Staphylococcus species.

A

S - Staphylococcus saprophyticus,
H - Staphylococcus haemolyticus
A - Staphylococcus aureus,
L - Staphylococcus lugdunensis
E - Staphylococcus epidermidis,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

name the 4 genera of Micrococcaceae

A

M - Micrococcus
S - Staphylococcus
S - Stomatococcus
P - Planococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

name the 6 genera of streptococcaceae

A

L P G - S E A

L - Leuconcoccus
P - Pediococcus
G - Gemella
S - Streptococcus
E - Enterococcus
A - Aerococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

growth characteristics of micrococcus in 5% SDA

A

obligate aerobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

growth characteristics (5% SDA) of streptococcus

A

facultative anaerobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

growth characteristics (5% SDA) of staphylococcus

A

facultative aerobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

colony appearance of micrococcus, staphylococcus, and streptococcus

A

micrococcus - small-medium
staphylococcus - medium-large (pinhead)
streptococcus - small (pinpoint)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

hemolysis

A

micrococcus - non-hemolytic
staphylococcus - non-hemolytic, beta-hemolysis
streptococcus - alpha, beta, gamma- hemolysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

catalase test

A

micrococcus: +
staphylococcus: +
streptococcus: —

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

modifies oxidase test

A

micrococcus: +
staphylococcus: —
streptococcus: —

21
Q

Staphylococci are members of the newly formed family called what

A

Staphylococceae

22
Q

Some micrococci have a tendency to produce a *** pigment

A

yellow

23
Q

the most common among the CONS

A
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus.
24
Q

the frequent cause of UTI in adolescent girls and young women is the ***

A

Staphylococcus saprophyticus

25
Q

golden-yellow colonies; pathogenic

A

coagulase-positive S. aureus

26
Q

lemon yellow colonies; chromogenic opportunistic pathogen

A

CONS, S. aureus

27
Q

white pigment; chromogenic opportunistic pathogen

A

S. citreus

28
Q

white pigment

A

S. albus

29
Q

animal pathogen

A

S. hyicus
S. intermedius

30
Q

predominant normal flora on the skin; leading cause of Iantrogenic infection

A

S, epidermidis

31
Q

The genus name, Staphylococcus, is derived from the Greek term __________, meaning “bunches of grapes.”

A

staphle

32
Q

greek erm “staphle” means ________________

A

branches of grapes

33
Q

Genus staphylococus contain (how many) defined species and 20 are species found in man.

A

33

34
Q

Staphylococci colonies produced after 18 to 24 hours of incubation are medium sized (4 to 8 mm) and appear cream-colored, white or rarely light gold, and “___________”

A

buttery-looking.

35
Q

Rare strains of staphylococci requires carbon dioxide, hemin, or menadione for growth, thus makes them a _____________ microorganism

A

fastidious organism

36
Q

Staphylococcal species are initially differentiated by the what test

A

coagulase test

37
Q

what staphylococci are considered as staphylocoagulase-producing (coagulase-positive)

A

D I A L - H
S. delphini
S. intermedius
S. aureus
S. lutrae
and some strains of S. hyicus

38
Q

it is the staphylococci that is considered as the most clinically significant specie

A

Staphylococcus aureus

39
Q

Staphylococcus aureus is also associated with toxin-induced diseases such as:

A
  1. food poisoning
  2. scalded skin syndrome (sss)
  3. toxic shock syndrome (tss)
40
Q

a specie that has been known to cause various health care-acquired or nosocomial infections

A

S. epidermidis

41
Q

these are habitats of what Staphylococci species
- Normal flora
- Anterior nares
- Nasopharynx
- Perineal area
- Skin
- Colonizer of mucosa

A

Staphylococcus aureus

42
Q
  • Endogenous strain: sterile site by traumatic introduction (e.g. surgical wound or microabrasions
  • Direct contact: person-to-person, fomites
  • Indirect contact: aerosolized

these are modes of transmission of what species of staphylococci

A

S. aureus

43
Q
  • Normal flora
  • Skin
  • Mucous membranes

these are habitats of what 3 species of staphylococci

A

H E L
1. S. haemolyticus
2. S. epidermidis
3 S. lugdunensis

44
Q
  • Endrogenous strain: sterile site, by implantation of medical devices (e.g. shunts, prosthetic devices)
  • Direct contact: person-to-person

these are modes of transmission of what 3 species of staphylococcus

A

H E L
1. S. haemolyticus
2. S. epidermidis
3 S. lugdunensis

45
Q
  • Normal flora
  • Skin
  • Genitourinary tract
  • Mucosa

the following are habitat of what staphylococci

A

Staphylococcus saprophyticus

46
Q

It is an infection caused by an infectious agent that is present on or in the host prior to the start of the infection.

A

endogenous infection

47
Q

Endrogenous strain: sterile urinary tract, notably in young sexually active females.

the modes of transmission mentioned above are caused by what staphylococci

A

Staphylococcus saprophyticus

48
Q
  • Normal flora
  • Skin
  • Mucosa
  • Oropharynx

the following are habitats of what organisms

A

M K K
- Micrococcus spp.
- Kocuria spp
- Kytococcus spp.

49
Q

it is a term used to describe a disease or condition in which a purulent exudate (pus) is formed and discharged.

A

Suppurative

Clinical Bacteriology (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions