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MICROBIOLOGY (CUA) > RECALLS MICRO II > Flashcards

RECALLS MICRO II Flashcards

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1
Q

CA of Weil’s dse (jaundice)

CM: fletcher’s medium

A

Leptospira interogans icterohemorrhagica

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2
Q

1️⃣ cause of PID (Pelvic Inflammatory dse)

CA of LGV (Lymphogranuloma inguinale)
#1️⃣ cause of NGU (Non-gonococcal Urethritis)

CM: McCoy cells

A

Chlamydia trachomatis

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3
Q

Can be demonstrated through Giemsa stained blood

A

Borrelia

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4
Q

CA of WHIPPLE’s dse

A

Trophyrema whipplei

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5
Q

Causes NGU
Urease +
CM: Sheperd’s mom A7 medium

A

Ureaplasma urealyticum

Common name: T strain

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6
Q

Vector: TICKS (3)

A

ERL

Ehlichiosis
RMSF
Lyme’s dse

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7
Q

OX-K +
OX-2 -
OX-19 -

A

O.tsutsugamushi

scrub typhus

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8
Q

OX-2 : ➕
OX-19:➕
OX-K: ➖

A

RMSF

Rickettsia rickettsi

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9
Q

Negative for all: OX-2,9,K

A 
Rickettsial pox (Rickettsia akari)
Q fever (Coxiella burnetti)
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10
Q

Basic units of fungi

A

Hyphae

Spores

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11
Q

Has ascospore

A

Saccharomyces cerevisiae

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12
Q

CA’s or REYE’s syndrome

A

VZV

INFLUENZA VIRUS

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13
Q

CA of PML (Progressive Multifocal Leukoencephalopathy)

A

JC VIRUS (polyomaviridae)

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14
Q

CA or SPONGIFORM ENCEPHALOPATHY

A

PRIONS

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15
Q

Transport of spx for VIRUS:

A

4’C (ref); if delay of 3days

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16
Q

Transport of virus spx and sputum

A

4 days delay: -70’C

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17
Q

Used to hold cell culture tube.

A

Roller drum

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18
Q

Test for the presence of bacteria in milk

A

Methylene Blue reduction test

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19
Q

When culturing Cryptococcus in SDA, ____ Should NOT be in the medium.

A

CYCLOHEXIMIDE

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20
Q

Geotrichum candidum colonies appear as:

A

Rapid, yeastlike growth

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21
Q

Not a routine test in MICRO.

A

PCR

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22
Q

What does acridine orange stain

A

NUCLEIC ACIDS OF BACTERIA

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23
Q

Recovery of FUNGI:

A

Biopsy
CSF
ASPIRATIONS
(Never use swab)

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24
Q

C.diptheriae in Potassium tellurite (color)

A

Gray black

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25
▪️Common component of the normal floral found on human skin and mucous membrane. ▪️disregarded by physician as a contaminant when found in blood culture. ▪️opp. Pathogen causing human disease: ENDOCARDITIS and SEPSIS ▪️pleomorphic, gram pos rods with single cells, V forms, or Chinese letters
Corynebacterium amycolatum
26
Preferred concentration technique for parasite ova and cyst
Formalin-ethyl-acetate sedimentation
27
Staph RESISTANT to 5ug novobiocin
S.saprophyticus
28
Staph SENSITIVE to 5ug novobiocin
S.epidermidis
29
Positive rxn for Beta lactamase chromogenic cephalosporin method
Color change
30
DNAse + bacteria (3)
SMS S.aureus Moraxella Serratia
31
How many units of bacitracin (Taxo A) is used for the antibiotic susceptibility testing of group A B-hemolytic strep.
0.02-0.04
32
Used for the antibiotic susceptibility testing of group A B-hemolytic strep.
Bacitracin (taxo A)
33
How much optochin (taxo p) is used for the AST of S.pneumoniae.
5 ug
34
Used for the AST of S.pneumoniae
Optochin (5ug)
35
Result of genus Enterococcus in Bile Esculin test.
Positive
36
Positive result for Quellung test
Capsular swelling due to an antigen-antibody rxn
37
Used to differentiate Serratia from Klebsiella
1. Failure to prod gas fr. Inositol 2. Slowness and reluctance to ferment lactose 3. Rapid gelatin liquefaction
38
This spp supplies V factor (NAD) for Haemophilus
Staphylococcus
39
String test is used for the dx of:
Vibrio cholarae
40
Coynebacterium spp that has the same morphology as C.diptheriae on BAP
C.ulcerans
41
Tests used to differentiate M.tuberculosis from M.bovis
Niacin test Nitrate reduction test M.tuberculosis: + M.bovis: -
42
Dse caused by pulmonary form of anthrax
WOOLSORTER’S dse
43
Caused by CUTANEOUS form of anthrax
BLACK-ESCHAR
44
In water bacteriology, the following are used as CONFIRMATORY TEST MEDIA:
1. ENDO AGAR 2. EOSIN-METHYLENE BLUE AGAR 3. BRILLIANT GREEN LACTOSE BROTH
45
Taxonomic naming of microorganisms:
▪️Uses binomial nomenclature in Id organisms ▪️Genus name can be abbreviated using the 1st letter ▪️uses greek names or words
46
Preferred incubation temperature (in degree Celsius) for bacteriologic culture
35+/-2
47
Most pathogenic bacteria that grows best in what environment
MOIST
48
Most common pathogenic isolate from the throat
Streptococcus pyogenes
49
Catalase and PYR hydrolysis negative Bacitracin: R CAMP: +
Streptococcus agalactiae
50
Most common agent of nosocomial UTI
S.epidermidis
51
Oxidase positive organisms
PPAM ViC HeN Pseudomonas Plesiomonas Aeromonas Moraxella Vibrio Campylobacter Helicobacter Nesseria
52
Flat with irregular, serrated edges and swirling phenomenon (MEDUSA HEAD COLONIES) in culture media
Bacillus anthracis
53
Generally, virologists categorize viruses according to the ____, then accdg to ______
Type of genome | Virus families
54
Used for the dx of C.albicans
Serum tube test (Germ tube test)
55
A method used for detecting oocysts
Schaudinn’s method
56
Parasite that exhbits DOUBLE-WALLED CYSTS with an OUTER WRINKLED WALL and an INNER POLYGONAL WALL.
Acanthamoeba castellani
57
Beef tapeworm
T.saginatta
58
Pork tapeworm
T.solium
59
CA of: | ▪️Visceral Leishmaniasis (Kala-azar/Dum-dum fever)
Leishmania donovani
60
``` CA of CUTANEOUS LEISHMANIASIS ▪️cutaneous ulcer ▪️oriental sore ▪️classical self-limited ulcer ▪️Jericho boil ▪️Aleppo boil ▪️Delhi boil ```
Leishmania tropica
61
CA of MUCOCUTANEOUS Leishmaniasis ▪️ESPUNDIA ▪️UTA
Leishmania braziliensis
62
Gold std method, as well as DOH recommended method to DETECT and ID MALARIAL SPP
Thick and thin smear
63
▪️Normal flora of the upper RT ▪️Medium to large smooth and translucent colonies kn CHOCOLATE AGAR ▪️NON-hemolytic on BAP ▪️requires V factor
H.parainfluenzae
64
Growth: ➕: V factor ➖: X factor * LIGHT GROWTH AROUND: XV Disk
V factor requirement | H.para-
65
Intracellular replicative form of the Chlamydia spp.
RETICULATE BODY
66
▪️An enhanced arrowhead hemolysis at the juncture of a culture ▪️Streak of beta-lysin-producing strain of S.aureus on SBAP MEANS?
The beta-lysin of S.aureus acted SYNERGISTICALLY with the culture enhancing the hemolysis
67
In the HARADA MORI technique: ▪️float (top): ▪️settle (bottom):
▪️float (top): STRONGYLOIDES filariform larva ▪️settle (bottom): Hookworm filariform larva
68
Important cause of | CHORIORETINITIS:
TOXOPLASMA
69
Trichuris trichura infxn provides a good site for what parasite?
Entamoeba histolytica
70
Most common fungal contaminant of COMMERCIALLY prepared food
Rhizopus

MICROBIOLOGY (CUA) (2 decks)

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