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Micro-ASCP > Bacte Must Knows > Flashcards

Bacte Must Knows Flashcards

1
Q

Inducible resistance to Clindamycin

A

D Test

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2
Q

Detection of Carbapenemase producers

A

Modified Hodge Test

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3
Q

Positive MHT MODIFIED HODGE TEST

A

Clover leaf like Indention

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4
Q

MALDITOF-MS stands for

A

Matrix Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry

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5
Q

Detected microbiral identification in minutes from isolated colonies

A

MALDITOF-MS

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6
Q

Codes for oxacillin resistance in Staphylococcus

A

mecA gene

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7
Q

MecA gene product

A

PBP2a

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8
Q

Most accurate detection of mecA mediated Oxacillin

A

Cefoxitin

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9
Q

Detects susceptibility of all Staph
Spp to Vancomycin

A

MIC Broth Dilution Test

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10
Q

Pathogen associated with Colorectal CA and Adenoma

A

Streptococcus bovis/Group D Enterococcus

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11
Q

Leucine Aminopeptidase reaction of Leuconostoc spo

A

Negative

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12
Q

Pathogen that causes endocarditis and meningitis. catalase negative gram positive cocci in clusters

A

Gemella spp

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13
Q

Bacteria appearing Gram positive but just Difficult to decolorize. Grows on MAC, Oxidase negative

A

Acinetobacter

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14
Q

Endotoxins from Gram Negative bacteria causes

A

Septic Shock

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15
Q

S. Aureus and S pyogenes causes what toxin/dse

A

Toxic Shock Syndrome

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16
Q

MUG Test positive organism

A

E. Coli except O157:H7

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17
Q

Intestinal pathogen
LDC (+) ONPG (-) KCN (-)

A

Salmonella

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18
Q

Intestinal microflora
LDC (-) ONPG (+) KCN (-)

A

Citrobacter

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19
Q

Antibiotic that inhibits ESBL/Confirmatory for ESBL

A

Clavulanic acid

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20
Q

Nonmotile at 37•C BUT Motile at Room temp 25-30 C

A

Yersinia

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21
Q

Phenyalanine Deaminase positive

A

PPM
Proteus
Providencia
Morganella

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22
Q

PAD differentiates PPM from

A

Enterobacteriaceae

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23
Q

Positive PAD test

A

Green slant/fluid

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24
Q

Positive MUG test

A

Electric blue fluorescence

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25
Q

Tests that differentiates Morganella from Providencia

A

Gas citrate ODC
M + - +
P - + -

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26
Q

A bacteria that FERMENTS various sugars with or without gas

A

Aeromonas

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27
Q

Test to differentiate P. Aeruginosa from Aeromonas

A

SPOT INDOLE TEST

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28
Q

Aeromonas Spot Indole test result

A

Positive (blue or blue green color on filter paper after 20 secs

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29
Q

Respiratory infx in Px with Cystic Fibrosis

A

P. Aeruginosa
B. Cepacia
S. Maltophilia

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30
Q

Phenomenon that helps recognize Haemophilus spp that require V factor

A

Satellitism

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31
Q

V factor is also known as

A

Nicotinamide Adenine Dinucleotide (NAD)
or
Coenzyme A

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32
Q

Organisms where Haemophilus spp obtain X factor

A

S.aureus
S.pneumoniae
Neisseria spp

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33
Q

X factor is also known as

A

Hemin

34
Q

Animal bite/scratch

A

Pasteurella

35
Q

Whooping cough sample requirement

A

Nasopharyngeal swab

36
Q

Prefered culture medium for B.pertussis

A

Regan-Lowe/Charcoal Cephalexin medium

37
Q

Prefered culture medium for Legionella

A

BCYE Buffered Charcoal Yeast Extract

38
Q

Legionella sample requirement

A

Sputum, Bronchial washing

39
Q

Nugent scoring is used for

A

Bacterial vaginosis

40
Q

B.fragilis culture medium

A

Bacteroides Bile Esculin Agar (BBE Agar)

-black colonies

41
Q

Anaerobic blood agar components

A

Vitamin K
Hemin
Sheeps blood

42
Q

Test that determines Bacillus anthracis

A

Direct fluorescence Antibody

43
Q

Direct fluorescence Antibody detects presence of

A

Cell wall polysaccharide
Capsule antigen

44
Q

String of pearls

A

Bacillus anthracis

45
Q

Most common cause of gas gangrene

A

Clostridium perfringens

46
Q

Used as Lecithinase positive control

A

C.perfringens

47
Q

RESISTANT to most antibiotics except Vancomycin

A

Corynebacterium Jeikeum

48
Q

Neonatal meningitis

A

Listeria monocytogenes

49
Q

Tumbling motility, umbrella shape

A

L.monocytogenes

50
Q

The only GRAM + Bacillus that is H2S POSITIVE

A

Erysiphilothrix rusiopathae

51
Q

Bottle brush/test tube brush appearance

A

E.rusiopathae

52
Q

Butcher’s dse

A

E.rusiopathae

53
Q

Battey bacillus

A

Mycobacterium avium complex (MAC)

54
Q

Blood test for TB Infection

A

IGRAS
Interferon Gamma Release Assays

55
Q

Can prior BCG vax cause a false positive result in IGRAS?

A

No

56
Q

Result same day AFB smear was read

A

Molecular test/NAA
Nucleic Acid Amplification test

57
Q

Nucleic Acid Amplification sample requirement

A

Respiratory specimen

58
Q

Molar tooth colonies

A

Actinomyces

59
Q

Sulfur granules in tissues

A

Actinomyces

60
Q

Primary atypical pneumonia or Walking pneumonia

A

Mycoplasma pneumoniae

61
Q

Gold standard for Rickettsial antibodies

A

IFA
Indirect fluorescent Assay

62
Q

From fungal cell wall that fluoresce when exposed to UV

A

Calcofluor white

63
Q

culture that preserves easily disrupted conidial structures

A

Slide culture

64
Q

Olive oil loving fungi

A

Malassezia furfur

65
Q

Tinea /pityriasis vesicolor

A

Malassezia furfur

66
Q

Spaghetti meatball appearance

A

Malassezia furfur

67
Q

Athlete’s foot

A

Trichopyton mentagrophytes

68
Q

Most common dermatophytes to infect humans

A

T.rubrum

69
Q

Haur baiting test positive result

A

V shaped penetration of hair shaft

70
Q

Hair baiting test differentiates

A

T. Mentagrophytes +
T. Rubrum -

71
Q

Rose gardener’s dse

A

Sporothrix schenkii

72
Q

S.schenkii at room temp

A

MOLD

73
Q

S.schenkii at 37C

A

YEAST
Cigar shaped

74
Q

Viral transport

A

Reuires storage in ice
Media with serum albumin or gelatin, antibiotics

75
Q

Method to detect HPV from clinical spx

A

Hybrid Capture method

76
Q

Flu viruses are reviewed every_______

A

EACH YEAR

77
Q

Brucella culture medium

A

Castañeda bottles

78
Q

Cysteine and cystine requirement for growth
-Blood glucose cysteine medium

A

Francisella tularensis

79
Q

Stain in observing bipolar bodies

A

Wayson stain

80
Q

Bipolar bodies seen in

A

Yersinia pestis

Micro-ASCP (1 decks)

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