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gram positive cocci Flashcards

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1
Q

what is the appearance of positive in MICRODASE test

a. blue color
b. effervescence
c. violet color

A

a. blue color

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2
Q

the principal virulence factor for S. aureus?

a. coagulase
b. microdase
c. catalase

A

a. coagulase

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3
Q

is a mild inflammation of the hair follicle or sebaceous gland

a. folliculitis
b. furuncles
c. carbuncles
d. impetigo

A

a. Folliculitis

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4
Q

it is the best criterion of pathogenicity of S. aureus

a. coagulase
b. mannitol fermentation test
c. DNase test

A

a. coagulase

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5
Q

what are the two methods in coagulase test?

A
  1. slide method

2. tube method

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6
Q

what COAGULASE METHOD is sensitive but definitive?

a. slide
b. tube

A

b. tube

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7
Q

what COAGULASE method is to SCREEN catalase positive colonies?

a. slide
b. tube

A

a. slide

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8
Q

what is the PH indicator for MANNITOL FERMENTATION TEST

a, neutral red

b. phenol red
c. edta

A

b. phenol red

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9
Q

positive color in the test Mannitol Fermentation

a. blue
b. violet
c. yellow

A

c. yellow

M= anniitol —-> M=angga color YELLLOW

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10
Q

Results of TELLURITEGLYCINE AGAR

a. green colonie
b. jet black
c. yellow discolorization around S. aureus

A

b. jet black colonies

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11
Q

this test diffentiates the S. aureus from S. intermedius

a. vp test
b. mannitol fermentation
c. catalase

A

a. vp test

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12
Q

positive result for Voges- Proskauer test

a. yellow
b. pink
c, blue

A

b. pink

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13
Q

positive result for DNase test

a. clear/ colorless
b. jet black colonies
c. pink color acetoin

A

a. clear/ colorless

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14
Q

it is contaminant of MEDICAL INSTRUMENTS, CATHETERS, CSF SHUNTS, PROSTHETIC HEART VALVE IMPLANTS

A. S. aureus
B. S. epidermidis
C. S. lugdunensis

A

b. S. epidermidis

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15
Q

FINAL REAGENT of PRYROLIDONYL ARYLAMIDASE (PYR) test

a. L-pyrrolindone
b. B-naphthylamine
c. p-dimethylaminocinnamaldehyde

A

c. p-dimethylaminocinnamaldehyde
[p-dimethyl amino cinnamal dehyde]

L-pyrrolidone & B-naphthylamine——– END PRODUCTS OF PYR TEST

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16
Q

differentiates COAGULASE POSITIVE staphylococci by SLIDE method

a. pyr test
b. vp test
c. mannitol fermentation test

A

A. PYR TEST

vp test —– differentiates coag positive staphylocccoci by TUBE method

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17
Q

NEGATIVE for PYR test

a. s. aureus
b. s. intermidius
c. s. schleiferi

A

a. s. aureus

s. lugdunensis and s. schleiferi they are POSITIVE and also s. intermidius

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18
Q

used in detecting both CLUMPING FACTOR AND protein A

a. pcr amplification
b. latex agglutination test
c. d-test

A

b. latex agglutination test

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19
Q

classification of Streptococci that is based on TEMPERATURE REQUIREMENT

a. Academic/ Bergey’s classification
b. Smith and Brown classification
c. Lancefield Classification

Study These Flashcards
A

a. academic/bergey’s

20
Q

what are the classification of ACADEMIC/BERGEY’S

1.
2.
3.
4.

pvle

Study These Flashcards
A
  1. Pyogenic grp
  2. Viridan’s grp
  3. lactic gp
  4. enterococcus grp
21
Q

classification of Streptococci that is based on HEMOLYTIC PATTERN

a. Academic/ Bergey’s classification
b. Smith and Brown classification
c. Lancefield Classification

Study These Flashcards
A

B. Smith and brown

22
Q

alpha hemolytic streptococci

a. S. pneumoniae
b. S. pyogenes and S. agalactiae
c. S. bovis

Study These Flashcards
A

a. S. pnuemoniae

S. pnuemoniae ————— A-Nuem/ Anum/almum
S. agalavtiae———————B-agalactiae/bagalactiae

23
Q

this classification is based on EXTRACTION OF C CARBOHYDRATE FROM THE STREPTOCOCCAL CELL WALL

a. Academic/ Bergey’s classification
b. Smith and Brown classification
c. Lancefield Classification

Study These Flashcards
A

C. Lancefield classification

24
Q

according to LANCEFIELD what is grp A streptococci

a. s. pnuemoniae
b. s. pyogenes

Study These Flashcards
A

b. s. pyogenes

25
Responsible for SUBSURFACE hemolysis on BAP that is incubated ANAEROBICALLY a. streptolysis o b. streptolysis s
a. streptolysis o
26
a punctate exanthem a diffuse erythema appears initially on the neck and upper chest,1 to 2 days following a strep throat a. scarlet fever b. pharyngitis c. carbuncles
a. scarlet fever
27
SUSCEPTIBILTY TEST for scarlet fever a. dicks test b. catalase test c. Schultz-Charlton test
a. DIcks test schultz charlton test ---------------> DIAGNOSTIC TESt
28
a contagious infection of subcutaneous skin tissue that is characterized by redness and an accumulation of fluid a. carbuncles b. cellulitis c. erysipelas
b. cellulitis
29
it is used to differentiates S. agalactiae from other Beta hemolytic streptococci a. camp test b. pyr test c. sxt test
a. camp test
30
streptococci that is ANIMAL Pathogen and serve as the main source of streptokinase a. grp a strep b. grp b strep c. grp c d. viridans
c. grp c
31
also knows as ALPHA PRIME STREPTOCOCCI a. grp a b. grp b c. viridans grp
viridans grp
32
also known as diplococcus a. s. aureus b. s. pneumoniae c. s. mutans
s. pneumoniae diplococcus or pneumococcus
33
what is the causative agent for S. pneumoniae a. lobar pneumonia b. walking pneumonia
a. lobar pneumonia walking pneumonia--------------------> Mycoplasma pneumoniae
34
common cause of BACTERIAL MENINGITIS IN ADULTS A. s. aureus b. mycoplasma pnuemoniae c. s. pneumoniae
c. s. pnemoniae
35
what is the appearance of YOUNG colonies of S. pneumoniae a. dome shaped, glsitening,wet and mucoid b. coin with raised rim c. dimple shaped
young colonis--- DOME SHAPED, GLISTENING WET AND MUCOID old colonies--------- COIN WITH RAISED RIM sometimes DIMPLE SHAPED
36
this test is used to detect the presence of antibodies against pneumococci a. nuefeld-quellung rxn b. francis test c. dicks test
b. francis skin test Nuefeld Quellung test------------> allows the detection of S. pneumoniae and serotyping of isolates
37
PRESUMPTIVE TEST for S. pneumonia a. Optochin susceptivility b. P disk test c. BIle solubility
optochin susceptiivility/ P disk test bile solubility---------------> CONFIMATORY TESTS
38
formerly known as NUTRITIONALLY VARIANT STREPTOCOCCI a. abiotrophia b. granulicatella c. aerococcus
a&b abiptrophia and granulicatella
39
it will NOT grow on BAP OR CAP unless PYRODOXAL (B6) is supplied a. abiotrophia b. granulicatella c. aerococcus
a. abiotrophia
40
it is a common AIRBORNE BACTERIUM a. aerococcus b. gemella c. lactococcus
A. aerococcus
41
it is frequently found on PLANTS SURFACES, ON VEGETABLES AND IN MILK PRODUCTS a. aerococcus b. lactococcus c. leuconostoc
c. leuconostoc
42
(+) CAMP a. s. pyogenes b. s. agalactiae c. s. pnuemoniae
b. s. agalactiae
43
SUSCEPTIBLE IN OPTOCHIN a. s. pyogenes b. s. agalactiae c. s. pnuemoniae
s. pnuemoniae
44
most common cause of SUBACUTE BACTERIAL ENDOCARDITIS a. viridans strep b. s. pyogenes c. enterococci
viridans strep
45
is an enzyme that is found in isolates of large, colony forming, beta hemolytic group C and G streptococci a. LAP test b. VP test c. B-D-glucoronidase test
BGUR TEST

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