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Culture Media
  • MAHATHIR ALPHA

  • 問題数 40 • 11/8/2023

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    問題一覧

  • 1

    What are the different types of Culture?

    Pure culture, Mixed culture, Stock culture

  • 2

    What are the Classification of Culture Media According to Consistency?

    Liquid medium, Semi-solid medium, Solid medium

  • 3

    What are the Classification of Culture Media According to Composition?

    Synthetic or defined medium, Non-synthetic or complex medium, Tissue culture medium

  • 4

    What are the Classification of Culture Media According to Dispensing or Distribution method for medium?

    Plated media, Tube media

  • 5

    Type of media which are distributed into the dish or plate

    Plated media

  • 6

    Type of media which are prepared as either liquid, slant, butt and slant, or butt.

    Tube media

  • 7

    What are the Classification of Culture Media According to Use?

    Simple media, Enrichment media, Enriched and non-selective media, Differential media, Selective media, Special media

  • 8

    What are the 3 types of hemolysis?

    Alpha hemolysis, Beta hemolysis, Gamma hemolysis

  • 9

    ► Mixture of nutrients such as carbon, nitrogen, sulphur, phosphorus, hydrogen, oxygen, and buffers. ► Inhibitory agents like dyes, salts, and antimicrobial added to facilitate the isolation of the desired organism while suppressing the growth of other organisms present in the sample.

    Culture Media

  • 10

    Type of culture which is composed of only one specie.

    Pure culture

  • 11

    Type of culture which composed of more than one species

    Mixed culture

  • 12

    Type of culture which composed of several species contained in a separate culture medium. Should be grown in large volume of broth and divide into small freezer vials.

    Stock culture

  • 13

    -Does not contain any amount of agar -Allows the growth of aerobes, anaerobes and facultative anaerobes.

    Liquid medium

  • 14

    -contains 0.5% to 1% agar - used to observe bacterial motility, detect indole and sulfide production

    Semi-solid medium

  • 15

    Contains 2% to 3% agar

    Solid medium

  • 16

    -Type of culture media wherein components are known. - Used for research purposes as either liquid or solid medium -Preferred for the isolation of cyanobacteria and chemo organotrophs

    Synthetic or defined medium

  • 17

    - substances are unknown (peptones, meat, and yeast extracts) -very useful for isolation of medically significant bacteria

    Non-synthetic or complex medium

  • 18

    This type of media is used for obligate intracellular bacteria (Rickettsia and Chlamydia).

    Tissue culture medium

  • 19

    -It is routinely used in the laboratory and without addtional supplements. -Support the growth of most non-fastidious bacteria -Usually composed of meat and soybean extract

    Simple media

  • 20

    -It is used to propagate the growth of a certain group of bacteria from a mixture of organisms. -contains specific nutrients and without additional supplements -can also be used as a supplement to agar plates to detect aerobes, anaerobes and microaerophiles (thioglycollate)

    Enrichment media

  • 21

    -With additional supplements such as blood, vitamins and yeast extract, which are necessary for the growth of fastidious organisms -These are solid type media

    Enriched media and non-selective media

  • 22

    It differentiate the haemolytic pattern of bacteria

    BAP

  • 23

    It is used for the recovery of Haemophilus species

    CAP

  • 24

    They are used for isolation of fastidious organisms

    BAP and CAP

  • 25

    It contains general nutrients with 5% - 10% blood

    Blood agar

  • 26

    It shows complete lysis of red cells resulting in complete clearing around the colonies.

    Beta hemolysis

  • 27

    Incomplete lysis of red cells, producing a greenish discoloration of the blood agar around colonies.

    Alpha hemolysis

  • 28

    Shows no hemolysis, resulting in no change in the medium

    Gamma hemolysis

  • 29

    It allows the visualization of metabolic differences between groups of bacteria

    Differential media

  • 30

    What is the pH indicator in MAC that detects the fermentation of sugar and eventually the production of acid?

    Neutral red

  • 31

    Incorporated with antibiotics, dyes or chemicals to inhibit the growth of other organisms while promoting the growth of desired organism.

    Selective media

  • 32

    What are the types of selective media?

    Thayar- Martin agar, Mannitol Salt agar, MacConkey's agar, Lowenstein- Jensen Medium, Sabouraud's dextrose agar

  • 33

    Isolation of fungi

    Sabouraud's dextrose agar

  • 34

    It contains antibiotics trimethoprim, nystatin, vancomycin, and colistin. It is used for the isolation of Neisseria.

    Thayer- Martin agar

  • 35

    It contains 10% NaCl and used for the isolation of Staphylococcus aureus.

    Mannitol salt agar

  • 36

    It promotes growth of gram-negative bacteria, primarily belongs to the family Enterobacteriaceae. Inhibit the growth of gram-positive bacteria through the addition of bile salts.

    MacConkey's agar

  • 37

    It is used to recover Mycobacterium tuberculosis.

    Lowenstein-Jensen medium

  • 38

    It is used to isolate bacteria with specific growth requirements

    Special media

  • 39

    It is made up of whole egg and malachite green which supports the growth of mycobacteria.

    Lowenstein- Jensen (LJ)

  • 40

    It is used for isolation of Vibrio

    TCBS