Traditional Cultivation (Lab) Flashcards

1
Q

Partial lysing of erythrocytes in a BAP around
and under the colony that results in a green
discoloration of the medium

A

alpha hemolysis

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2
Q

P. aeruginosa odor

A

fruitlike or grapelike

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3
Q

Pertains to Red blood Cells lysis or dissolution

A

Hemolysis

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4
Q

Loss of water =

A

increase solute concentration of media and bacterial lysis

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5
Q

Kluyvera spp pigment

A

blue

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6
Q

a type of culture that is inoculated directly from sample

A

PRIMARY

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7
Q

smells like freshly plowed field

A

Nocardia spp.

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8
Q

CFU Formula

A

CFU/mL= Number of colonies counted on the plate x Dilution Factor

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9
Q

organisms produce pink, dark pink, or red
colonies

A

Lactose Fermenter

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10
Q

bacteria that has a blue pigment

A

Kluyvera spp

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11
Q

cannot grow in the presence of O2, and the atmosphere in anaerobe jars,bags, or chambers

A

Anaerobes

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12
Q

grow in ambient air, which contains 21% O2 and a small amount of CO2

A

Aerobes

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13
Q

example of bacteria that exhibits partial lysing

A

Streptococcus pneumoniae

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14
Q

use of optimal artificial media and incubation
conditions to isolate and identify the bacterial
etiologies of an infection as rapidly and as
accurately as possible

A

CULTIVATION

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15
Q

increased concentrations of CO2 (5% to 10%) and approximately 15% O2

A

Capnophiles

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16
Q

Isolation technique is done To yield a ______ estimate of growth

A

semiquantitative

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17
Q

pH changes when lactose is ____

18
Q

used to quantify colony forming units (CFU) in
urine cultures

A

Calibrated Inoculating Loop

19
Q

Required temperature for bacteria

A

35-37 deg. celsius

20
Q

Nocardia spp. smell

A

freshly plowed field

21
Q

Reaction caused by enzymatic or toxin activity of Bacteria

22
Q

anaerobe but able to grow slowly and poorly in the presence of O2

A

Aerotolerant

23
Q

a type of culture that is inoculated from the primary plate

A

Subculture

24
Q

hemolysis of Streptococcus pyogenes

25
musty basement, “mousy” or “mouse nest” smell
Haemophilus spp
26
under reduced O2 (5% to 10%) and increased CO2 (8% to 10%)
Microaerophiles
27
Haemophilus spp. smell
mousy
28
smells like an old sock
Staphylococcus aureus
29
bacteria that is brick-red especially at room temperature
Serratia marcescens
30
Mincing of the tissue using sterile scissors and forceps into small pieces
Homogenization
31
Streaking technique for blunt slant media
Stab twice with ¾ deep of media; Do a streaking pattern upwards
32
smells fruity or grapelike
P. aeruginosa
33
Calibrated Inoculating Loop measurement
1 uL or 10 uL
34
P. aeruginosa pigment color
green, sometimes a metallic sheen
35
S. aureus odor
old sock
36
inherent characteristic of a specific organism confined generally to the colony
pigmentation
37
Determined by touching the colony with a sterile loop
Consistency
38
has putrid smell
Proteus mirabilis
39
Increase atmospheric activity=
bacterial growth
40
How many times do you stab the butt media?
only once