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BLT > Microbio > Flashcards

Microbio Flashcards

1
Q

Single-cell prokaryotic microorganisms

A

BACTERIA

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2
Q

Single-cell or multicellular eukaryotic organisms

A

FUNGI, PARASITES

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3
Q

Unicellular eukaryotic organisms

A

YEASTS

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4
Q

: Dependent on host cells for survival and therefore are not considered cellular organisms but rather INFECTIOUS AGENTS

A

VIRUSES

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5
Q

: Most common method of treating infectious waste ; SAFEST METHOD to ensure that no infective materials remain in samples or containers when disposed

A

INCINERATION

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6
Q

: Sensitive to temperature changes

A

N. meningitidis

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7
Q

: Sensitive to changes in pH

A

Shigella spp.

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8
Q

Determination of inducible-clindamycin resistance in staphylococci and streptococci

A

D-ZONE TEST:

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9
Q

Gray, translucent, smooth, glistening; may have dry, CLAYLIKE CONSISTENCY

A

Neisseria elongata:

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10
Q

Friable “hockey puck” consistency

A

Moraxella catarrhalis

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11
Q

0.5% sodium deoxycholate lyses Vibrio cells; used to differentiate Vibrio spp. (positive) from Aeromonas (negative)

A

STRING TEST

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12
Q

Chancroid, soft chancre, School of fish arrangement, railroad track appearance

A

Haemophilus ducreyi

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13
Q

Large; boxcar shape

A

C. perfringens

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14
Q

TRUE GERM TUBE

A

C. albicans, C. dubliniensis

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15
Q

Subacute sclerosing panencephalitis (SSPE)

A

MEASLES VIRUS:

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16
Q

LOEFFLER’S SYNDROME (transient pulmonary infiltration; day-to-day clearing in 3 to 14 days; associated with marked peripheral eosinophilia)

A

Ascaris lumbricoides:

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17
Q

Swollen belly syndrome

A

Strongyloides fuelleborni

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18
Q

(abdominal angiostrongyliasis): Patient may experience lower right quadrant; ABDOMINAL PAIN SIMILAR TO THAT MANIFESTED IN APPENDICITIS

A

Parastrongylus costaricensis

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19
Q

Thioglycollate broth boiled for 10 minutes

A

To drive off oxygen

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20
Q

Selection and enrichment for Streptococcus agalactiae in female genital specimens

A

Todd-Hewitt broth

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21
Q

Autoclave sterilization, membrane filtration

A

Culture media sterilization

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22
Q

Bacterial count 75,000 per mL when raw; not to exceed 15,000 bacteria per mL once pasteurized

A

Grade A milk

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23
Q

Positive malonate test:

A

Blue

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24
Q

Negative malonate test:

A

Green, yellow

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25
Most common pathogen in throat cultures:
Group A Streptococcus
26
Storage temp of viral specimens:
4C
27
Transport temp of viral specimens:
-70C
28
Difference of enterovirus from rhinovirus:
Enterovirus is acid resistant; Rhinovirus is acid sensitive
29
Non-operculated egg with small lateral spine:
S. japonicum
30
Non-operculated egg with lateral spine:
S. mansoni
31
Non-operculated egg with terminal spine:
S. haematobium
32
Schistosomal egg recovered in rectal biopsy
S. mansoni, S. japonicum
33
Gay bowel syndrome:
G. lamblia
34
Most frequently used in the identification of Gardnerella vaginalis, Streptococcus agalactiae, Campylobacter jejuni, and Listeria monocytogenes
HIPPURATE HYDROLYSIS TEST (Gar/gal/jej/mon)
35
Detects the presence of this CLINDAMYCIN-INDUCIBLE RESISTANCE
D-ZONE TEST
36
Produces a toxin similar to Shiga toxin produced by Shigella dysenteriae; SHIGA-LIKE TOXIN
EHEC/VTEC/STEC
37
Differentiates Alcaligenes faecalis from Bordetella bronchiseptica
UREASE (RAPID) Alcaligenes faecalis (urease negative) Bordetella bronchiseptica (urease positive)
38
CLOSTRIDIAL ENDOSPORES may be resistant to ethanol, and after ethyl alcohol treatment, the spores will germinate upon inoculation and proper incubation on anaerobic conditions blood agar in anaerobic
ETHANOL SHOCK TECHNIQUE
39
Diagnostic for an infection with ACTINOMYCES
SULFUR GRANULES
40
Microbiology and pathology laboratories performing diagnostic tests on stool or respiratory specimens should handle potential SARS-CoV specimens using • standard Biosafety Level _______ work practices.
(BSL)-2
41
CDC recommends virus isolation in cell culture, characterization of and viral initial agents recovered in cultures of novel SARS-CoV-2 should be conducted in a Biosafety Level ________
3 (BSL-3)
42
Skin at a pH of approximately _____ this acid pH keeps most microorganisms from growing.
5.6
43
should be considered a cause of diarrhea in patients on antibiotic therapy or hospitalized for more than 3 days.
CLOSTRIDIUM DIFFICILE
44
cause GRANULOMATOUS DISEASE IN ANIMALS and have been associated with soft tissue infection in humans following animal bites.
ACTINOBACILLUS SPP
45
are short to very short gram-negative bacilli. They occur singly, in pairs, and in chains, and they tend to exhibit bipolar staining. This staining morphology gives the overall appearance of the DOTS AND DASHES OF MORSE CODE.
ACTINOBACILLUS SPP.
46
are designed to stop the spread of microorganisms via direct contact, such as skin-to-skin contact and indirect contact, which is usually the result of a person making contact with a contaminated inanimate object.
CONTACT PRECAUTIONS
47
are designed to stop the spread of microorganisms via direct contact, such as skin-to-skin contact and indirect contact, which is usually the result of a person making contact with a contaminated inanimate object.
CONTACT PRECAUTIONS
48
. designed to are provide protection from extremely tiny airborne bacteria or dust particles, which may be suspended in the air for an extended period.
AIRBORNE PRECAUTIONS
49
First intermediate host of D. latum:
Copepods
50
Second intermediate host of D. latum
Fresh water fish
51
15 to 20 tree-like, dichotomous uterine branches:
Taenia saginata
52
7 to 12 finger-like or dendritic branches:
Taenia solium
53
Iodine destroys
trophozoites
54
Granulomatous encephalitis (GAE):
Acanthamoeba
55
Synchronized rupture of RBCs every 72 hours:
Plasmodium malariae
56
________ Tapeworm specialized structure for attachment. _______ Region for growth, regenerative region
SCOLEX NECK
57
LIFESPAN OF TAPEWORMS • __________: Perhaps many years as a result of autoinfection • ___________________: Usually less than 1 year • ________________________: UP TO 25 YEARS
H. NANA H. DIMINUTA, D. CANINUM D. LATUM, T. SAGINATA, T. SOLIUM
58
Organism is found most commonly in the crypts in the duodenum; associated with steatorrhea and malabsorption syndrome
G. LAMBLIA
59
WEAKER DECOLORIZER, DECOLORIZER in modified acid-fast stains is usually 1% sulfuric acid (weak acid) rather than the stronger acid alcohol used in the routine AFB stains.
MODIFIED AFB
60
Sheathed, nuclei absent in tail
Wuchereria bancrofti
61
Sheathed, tail with 2 separate nuclei
Brugia malayi
62
Sheathed, nuclei continuous up to the tip of the tail
Loa loa
63
Unsheathed, nuclei absent in tail
Onchocerca volvulus Mansonella ozzard
64
: Unsheathed, nuclei continuous up to the tip of the tail
Dipetalonema perstans
65
Oocysts survive in the environment for several months to more than 1 year and are resistant to disinfectants, freezing, and drying. However, they are killed by heating to 70° C for 10 minutes.
TOXOPLASMA GONDII
66
Disease caused by Naegleria fowleri can be severe and life threatening
(PRIMARY AMEBIC MENINGOENCEPHALITIS [PAM])
67
Disease caused by Naegleria fowleri can be severe and life threatening
(PRIMARY AMEBIC MENINGOENCEPHALITIS [PAM])
68
BASKET NUCLEUS:
Iodamoeba bütschlii

BLT (5 decks)

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