LATG 11 reviewed questions with correct
answers.
What is the process by which isolators confine potentially harmful microorganisms within the system?
A. Containment
B. Symbiosis
C. Adherence
D. Cohesion ANS -A. Containment
Which term refers to the thousands of microbial species that inhabit a specific host?
A. Genome
B. Gnotobiome
C. Microbiome
D. Biome ANS -C. Microbiome
Animals that were originally germ-free but were given a known group of bacteria are called known as
what type of animals?
A, Defined flora
B. Normal
C. Axenic
D. Specific pathogen-free ANS -A, Defined flora
Animals that are free from all demonstrable microorganisms are called:
A. normal.
B. axenic.
C. defined flora.
D. specific pathogen-free. ANS -B. axenic.
, Why are foundation colonies generally maintained in the defined flora state instead of in the axenic
state?
A. To maintain genetic integrity
B. To optimize litter size
C. To improve immunity of the animals
D.To study the progression of infection ANS -B. To optimize litter size
The most basic requirement for an isolator is that it must be:
A. transparent.
B. impact-resistant.
C. impervious
D. rigid. ANS -C. impervious
What function does a transfer sleeve serve?
A. To control the speed of the transfer of materials into the isolator
B. To sterilize the materials before placing them in the isolator
C. To remove airborne microorganisms from the room air
D. To connect the supply cylinder to the isolator entry port ANS -D. To connect the supply cylinder to
the isolator entry port
For which purpose does the transfer sleeve of an isolator have nipples?
A. Gas sterilization
B. Steam autoclaving
C. Weanling removal
D. Sterilant injection ANS -D. Sterilant injection
Which of the following is NOT an appropriate sterilization method for gnotobiotic systems?
A. Membrane filtration of liquids
B. Carbon dioxide
answers.
What is the process by which isolators confine potentially harmful microorganisms within the system?
A. Containment
B. Symbiosis
C. Adherence
D. Cohesion ANS -A. Containment
Which term refers to the thousands of microbial species that inhabit a specific host?
A. Genome
B. Gnotobiome
C. Microbiome
D. Biome ANS -C. Microbiome
Animals that were originally germ-free but were given a known group of bacteria are called known as
what type of animals?
A, Defined flora
B. Normal
C. Axenic
D. Specific pathogen-free ANS -A, Defined flora
Animals that are free from all demonstrable microorganisms are called:
A. normal.
B. axenic.
C. defined flora.
D. specific pathogen-free. ANS -B. axenic.
, Why are foundation colonies generally maintained in the defined flora state instead of in the axenic
state?
A. To maintain genetic integrity
B. To optimize litter size
C. To improve immunity of the animals
D.To study the progression of infection ANS -B. To optimize litter size
The most basic requirement for an isolator is that it must be:
A. transparent.
B. impact-resistant.
C. impervious
D. rigid. ANS -C. impervious
What function does a transfer sleeve serve?
A. To control the speed of the transfer of materials into the isolator
B. To sterilize the materials before placing them in the isolator
C. To remove airborne microorganisms from the room air
D. To connect the supply cylinder to the isolator entry port ANS -D. To connect the supply cylinder to
the isolator entry port
For which purpose does the transfer sleeve of an isolator have nipples?
A. Gas sterilization
B. Steam autoclaving
C. Weanling removal
D. Sterilant injection ANS -D. Sterilant injection
Which of the following is NOT an appropriate sterilization method for gnotobiotic systems?
A. Membrane filtration of liquids
B. Carbon dioxide
