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MicroPara LEC > Lesson 9 Part 2 > Flashcards

Lesson 9 Part 2 Flashcards

1
Q

The proliferation or multiplication of becateria

A

Bacterial growth

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2
Q

Bacteria multiply by _____

A

Binary fission

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3
Q

The time it takes a particular bacterial species to undergo binary fission

A

Generation time

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4
Q

Bacteria with short generation time

A

Rapid growers

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5
Q

Bacteria with long generation time

A

Slow growers

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6
Q

Microorganisms that are difficult to grow in the laboratory

A

Fastidious

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7
Q

The media that are used in microbiology laboratories to culture bacteria are called

A

Artificial media or synthetic media

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8
Q

All the ingredients are known; the medium was prepared in the laboratory

A

Chemically defined medium

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9
Q

The exact contents are not known; contain ground up or digested extracts from animal organs and plants

A

Complex medium

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10
Q

They are also known as broth

A

Liquid media

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11
Q

Contained in tubes and are thus often referred to as tube media

A

Liquid media

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12
Q

Prepared by adding agar to liquid media and then pouring the media into tubes or petrid dish

A

Solid media

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13
Q

Complex polysaccharide that is obtained from red marine algae

A

Agar

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14
Q

A broth or solid medium containing a rich supply of special nutrients

A

Enriched medium

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15
Q

Used to discourage the growth of certain organism

A

Selective medium

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16
Q

Inhibits growth of gram POSITIVE bacteria

A

MacConkey agar

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17
Q

Inhibits growth of gram negstivr

A

Phenylethyl alcohol (PEA) and Colistinnalidixic acid (CNA)

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18
Q

Inhibits growth of gram negative

A

Phenylethyl alcohol agar (PEA) and collistinnalidixic acid (CNA)

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19
Q

Chocolate agars; selective for N. Gonorrheae

A

Thayer-Martin agar and Martin Lewis agar

20
Q

Grows only salt tolerant (haloduric) bacteria

A

Mannitol salt agar (MSA)

21
Q

Allows one to readily differentiate among the various types of organisms that are growing on the medium

A

Differentiate Medium

22
Q

It differentiate between lactose-fermenting and non-lactose fermenting gram negative bacteria

A

MacConkey Agar

23
Q

It used to screen s aureus

A

Mannitol Salt Agar

24
Q

Ueed to determine the type of hemolysis

A

Blood agar

25
Q

A very popular liquid medium for use in the bacteriology laboratory

A

Thioglycollate broth (THIO)

26
Q

It is practised in the microbiology laboratory to prevent infection of individuals and contamination of the work environment, clinical specimens, and culture

A

Aseptic Technique

27
Q

After media is inoculated, the next step is

A

Incubation

28
Q

It is placed in a chamber that contains the appropriate atmosphere and moisture level and is set to maintain the appropriate temperature

A

Incubation

29
Q

To culture most human pathogens, the incubator is set at ______ to _____ C

A

35°C to 37°C

30
Q

What are the three types of incubators

A

CO2 incubators
Non-CO2 incubators
Anaerobic incubators

31
Q

Involves the destruction or elimination of all microbes, including cells, spores, and viruses

A

Sterilization

32
Q

Describes the elimination of most or all pathogens (except bacterial spores) from non living objects

A

Disinfection

33
Q

A method of disinfecting liquids; used to eliminate pathogens from milk and most other beverages

A

Pasteurization

34
Q

Chemicals used to disinfect inanimate objects, such as bedside equipment and operating rooms

A

Disinfectants

35
Q

Solutions used to disinfect skin and other living tissues

A

Antiseptic

36
Q

The reduction of microbial populations to levels considered safe by public health standards, such as restaurants

A

Sanitization

37
Q

-cide or -cidal means

A

killing

38
Q

Example of disinfectants or antiseptics to kill microbes

A

Germicides
Biocides
Microbisides

39
Q

They specifically kill bacteria

A

Bactericides / bactericidal agents

40
Q

Required to kill bacterial endospores

A

Sporicidal agent

41
Q

Kill fungi, including fungal spores

A

Fungicidal agents

42
Q

Are used to kill algae in swimming pools and hot tubs

A

Algicidal agents

43
Q

Destroy viruses

A

Virucidal agents

44
Q

Kill pseudomonas species

A

Pseudomonicidal agents

45
Q

Kill M. Tuberculosis

A

Tuberculocidal Agents

MicroPara LEC (29 decks)

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