BACTE-PART 2

REQUIREMENTS FOR BACTERIAL GROWTH, STAGES OF BACTERIAL GROWTH, BIOLOGICAL HAZARD, BIOTERRORISM

BACTE-PART 2
52問 • 2年前
REQUIREMENTS FOR BACTERIAL GROWTH, STAGES OF BACTERIAL GROWTH, BIOLOGICAL HAZARD, BIOTERRORISM
  • Chasny Halasan
  • 通報

    問題一覧

  • 1

    Nutritional requirement where the organism uses light as energy source

    Phototrophic

  • 2

    Nutritional requirements where organism uses chemical compounds as energy source

    Chemotrophic

  • 3

    Uses inorganic compounds as carbon source i.e. carbon dioxide

    Autotrophs/Litotrophs

  • 4

    Uses organic compounds as carbon source i.e. glucose

    Heterotrophs/Organotrophs

  • 5

    Organisms requiring oxygen growth i.e. Brucella spp., Francisella, Mycobacterium

    Obligate Aerobes

  • 6

    Organisms not requiring oxygen for growth i.e. Veillonella, Actinomyces

    Obligate Anaerobes

  • 7

    Organisms that can live with or without air i.e. family Enterobacteriacea

    Facultative Anaerobes

  • 8

    Organisms requiring small amount of air i.e. Campylobacter spp

    Microaerophilic

  • 9

    Does not grow well but survives in the presence of air i.e. Lactobacillus and Propionibacterium

    Aerotolerant

  • 10

    Able to survive on unusual conditions i.e. absence of oxygen and increased temperature i.e. Bacillus infernus

    Extremophiles

  • 11

    Cold-loving bacteria

    Psychrophilic

  • 12

    Organisms that grow at moderate temperature

    Mesophilic

  • 13

    Organisms that grow at high temperature

    Thermophilic

  • 14

    Bacteria which do not usually grow at high temperature but can withstand exposure to high temperature

    Thermoduric

  • 15

    This is defined as the temperature at which an organism grows best; temperature best suited for bacterial growth

    Optimum temperature

  • 16

    These are the blood bag contaminants at 4 degrees celcius HINT: PSY

    Pseudomonas fluorescens, Yersinia enterocolitica, Serratia liquefaciens

  • 17

    Neutrophilic ph of bacteria?

    pH 7.2-7.4

  • 18

    pH of media for fungi

    pH 5-6

  • 19

    What is the percent moisture needed to prevent drying?

    70%

  • 20

    those requiring increased (>70%) moisture are called?

    Humidophilic

  • 21

    those requiring high salt concentration; i.e. Vibrio

    Halophilic

  • 22

    Salt concentration percent for Enterococci

    6.5%

  • 23

    Salt concentration percent for Vibrio

    8-10%

  • 24

    Salt concentration percent for Staphylococcus aureus

    7.5%

  • 25

    Require increased carbon dioxide; i.e. Neisseria and Haemophilus influenzae

    Capnophilic

  • 26

    LAG PHASE is also known as?

    Rejuvenescence phase

  • 27

    LOG PHASE is also known as?

    Exponential phase

  • 28

    PLATEAU PHASE is also known as?

    Stationary phase

  • 29

    DEATH PHASE is also known as?

    Phase of decline

  • 30

    No cell division during this stage because the organism is still adapting to the environment

    LAG PHASE

  • 31

    Increase in size but not in number

    LAG PHASE

  • 32

    Growth rate: 0%

    LAG PHASE

  • 33

    Start of cell division

    LOG PHASE

  • 34

    Growth rate starts to increase

    LOG PHASE

  • 35

    Organism becomes susceptible to antibiotics

    LOG PHASE

  • 36

    Characterized by a balance in the number (equal) of dead cells and living cells

    PLATEAU PHASE

  • 37

    Decreasednutrients, increased toxic waste

    PLATEAU PHASE

  • 38

    Increased death rate

    DEATH PHASE

  • 39

    Causes of bacterial death o Food shortage o Increased concentration of toxic products o Development of unfavorable pH

    DEATH PHASE

  • 40

    Those that may pose minimal threat to laboratory workers

    BSL-1

  • 41

    Those with no known potential of infecting healthy people

    BSL-1

  • 42

    i.e. Bacillus subtilis and Mycobacterium gordonae

    BSL-1

  • 43

    Those that may pose moderate threat to laboratory workers

    BSL-2

  • 44

    Those associated with laboratory acquired infections

    BSL-2

  • 45

    Those acquired through ingestion, mucus membrane, and percutaneous exposure

    BSL-2

  • 46

    i.e. Bacillus anthracis and Yersinia pestis; Enteric pathogens such as Salmonella & Shigella; S. aureus; HIV and HBV

    BSL-2

  • 47

    Those that may pose high risk to laboratory workers

    BSL-3

  • 48

    Those with a potential for aerosol transmission (inhalation)

    BSL-3

  • 49

    i.e. Mycobacterium, Coxiella, all agents of systemic mycoses, Rickettsiae, F. tularensis, Brucella

    BSL-3

  • 50

    Those that may pose extreme risk to lab workers

    BSL-4

  • 51

    Can cause life threatening diseases. Organisms encountered in research institutions (RITM, PGH)

    BSL-4

  • 52

    i.e. MERS-CoV, Ebola virus

    BSL-4

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    問題一覧

  • 1

    Nutritional requirement where the organism uses light as energy source

    Phototrophic

  • 2

    Nutritional requirements where organism uses chemical compounds as energy source

    Chemotrophic

  • 3

    Uses inorganic compounds as carbon source i.e. carbon dioxide

    Autotrophs/Litotrophs

  • 4

    Uses organic compounds as carbon source i.e. glucose

    Heterotrophs/Organotrophs

  • 5

    Organisms requiring oxygen growth i.e. Brucella spp., Francisella, Mycobacterium

    Obligate Aerobes

  • 6

    Organisms not requiring oxygen for growth i.e. Veillonella, Actinomyces

    Obligate Anaerobes

  • 7

    Organisms that can live with or without air i.e. family Enterobacteriacea

    Facultative Anaerobes

  • 8

    Organisms requiring small amount of air i.e. Campylobacter spp

    Microaerophilic

  • 9

    Does not grow well but survives in the presence of air i.e. Lactobacillus and Propionibacterium

    Aerotolerant

  • 10

    Able to survive on unusual conditions i.e. absence of oxygen and increased temperature i.e. Bacillus infernus

    Extremophiles

  • 11

    Cold-loving bacteria

    Psychrophilic

  • 12

    Organisms that grow at moderate temperature

    Mesophilic

  • 13

    Organisms that grow at high temperature

    Thermophilic

  • 14

    Bacteria which do not usually grow at high temperature but can withstand exposure to high temperature

    Thermoduric

  • 15

    This is defined as the temperature at which an organism grows best; temperature best suited for bacterial growth

    Optimum temperature

  • 16

    These are the blood bag contaminants at 4 degrees celcius HINT: PSY

    Pseudomonas fluorescens, Yersinia enterocolitica, Serratia liquefaciens

  • 17

    Neutrophilic ph of bacteria?

    pH 7.2-7.4

  • 18

    pH of media for fungi

    pH 5-6

  • 19

    What is the percent moisture needed to prevent drying?

    70%

  • 20

    those requiring increased (>70%) moisture are called?

    Humidophilic

  • 21

    those requiring high salt concentration; i.e. Vibrio

    Halophilic

  • 22

    Salt concentration percent for Enterococci

    6.5%

  • 23

    Salt concentration percent for Vibrio

    8-10%

  • 24

    Salt concentration percent for Staphylococcus aureus

    7.5%

  • 25

    Require increased carbon dioxide; i.e. Neisseria and Haemophilus influenzae

    Capnophilic

  • 26

    LAG PHASE is also known as?

    Rejuvenescence phase

  • 27

    LOG PHASE is also known as?

    Exponential phase

  • 28

    PLATEAU PHASE is also known as?

    Stationary phase

  • 29

    DEATH PHASE is also known as?

    Phase of decline

  • 30

    No cell division during this stage because the organism is still adapting to the environment

    LAG PHASE

  • 31

    Increase in size but not in number

    LAG PHASE

  • 32

    Growth rate: 0%

    LAG PHASE

  • 33

    Start of cell division

    LOG PHASE

  • 34

    Growth rate starts to increase

    LOG PHASE

  • 35

    Organism becomes susceptible to antibiotics

    LOG PHASE

  • 36

    Characterized by a balance in the number (equal) of dead cells and living cells

    PLATEAU PHASE

  • 37

    Decreasednutrients, increased toxic waste

    PLATEAU PHASE

  • 38

    Increased death rate

    DEATH PHASE

  • 39

    Causes of bacterial death o Food shortage o Increased concentration of toxic products o Development of unfavorable pH

    DEATH PHASE

  • 40

    Those that may pose minimal threat to laboratory workers

    BSL-1

  • 41

    Those with no known potential of infecting healthy people

    BSL-1

  • 42

    i.e. Bacillus subtilis and Mycobacterium gordonae

    BSL-1

  • 43

    Those that may pose moderate threat to laboratory workers

    BSL-2

  • 44

    Those associated with laboratory acquired infections

    BSL-2

  • 45

    Those acquired through ingestion, mucus membrane, and percutaneous exposure

    BSL-2

  • 46

    i.e. Bacillus anthracis and Yersinia pestis; Enteric pathogens such as Salmonella & Shigella; S. aureus; HIV and HBV

    BSL-2

  • 47

    Those that may pose high risk to laboratory workers

    BSL-3

  • 48

    Those with a potential for aerosol transmission (inhalation)

    BSL-3

  • 49

    i.e. Mycobacterium, Coxiella, all agents of systemic mycoses, Rickettsiae, F. tularensis, Brucella

    BSL-3

  • 50

    Those that may pose extreme risk to lab workers

    BSL-4

  • 51

    Can cause life threatening diseases. Organisms encountered in research institutions (RITM, PGH)

    BSL-4

  • 52

    i.e. MERS-CoV, Ebola virus

    BSL-4