Part 2-Assistant Laboratory Animal
Technician Certification (ALAT) UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Which environmental conditions are monitored in an animal facility?
-Temperature
-Air exchange rate
-Humidity
-All of the above - CORRECT ANSWER - All of the above
Which of the following statements regarding noise in the animal facility is TRUE?
-Soft music played in animal rooms will calm the animals.
-High noise levels will result in improved rodent breeding.
-The hearing range of many laboratory animals is very different to humans.
-Ultrasound refers to sounds below the frequency of human hearing. - CORRECT
ANSWER - The hearing range of many laboratory animals is very different to humans.
Which of these statements is TRUE regarding the microenvironment?
-The temperature in the cage is the same as the temperature of the room.
-All cages on the rack are exposed to the same amount of lighting.
-None of the above.
-High concentration levels of carbon dioxide and ammonia can be present in the cages. -
CORRECT ANSWER - High concentration levels of carbon dioxide and ammonia can be
present in the cages.
,High humidity in animal rooms may cause which negative consequence?
-Higher ammonia levels
-increased feed consumption
-Increased feed spoilage and mold
-Ringtail - CORRECT ANSWER - Increased feed spoilage and mold
Which of these statements about dust is FALSE?
-Bedding materials produce a lot of dust
-Dust exposes personnel to allergens, and may lead to the development of animal allergies
-Infrequent changes of air filters reduce dust levels
-High dust levels pose a health hazard to animals and personnel - CORRECT ANSWER -
Infrequent changes of air filters reduce dust levels
The Guide recommends how many changes of fresh air per hour?
-15-20
-5-10
-10-15
-2-5 - CORRECT ANSWER - 10-15
Which animal room problem(s), should animal technicians report?
-Malfunctioning lights
-Cracks in surfaces
-Sluggish drains
, -All of the Above - CORRECT ANSWER - All of the above
Which of the following statements regarding aquatic species housing is FALSE?
-The aquatic holding room must be able to structurally support the total weight and distribution
of water in the housing systems.
-The floor should be sloped towards the drains to prevent water from pooling.
-The room should have a reliable method of quickly draining water in the room in case of a
flood.
-Most aquatic facilities are on the top floor of the building to provide necessary light for the
animals . - CORRECT ANSWER - Most aquatic facilities are on the top floor of the
building to provide necessary light for the animals .
Which of the following statements regarding environmental light levels and the husbandry of
laboratory fish is TRUE?
-Some fish species will only feed under low light conditions.
-Many fish only feed in bright light.
-Light spectrum is not important to fish.
-Aquatic rooms should have dim lights to encourage algae growth. - CORRECT
ANSWER - Some fish species will only feed under low light conditions
Water used in aquatic housing systems is generally treated by which method before use?
-HEPA filtration
-Reverse osmosis
-Osmosis
-Electrophoresis - CORRECT ANSWER - Reverse osmosis
Which gases do not accumulate when animal rooms are properly ventilated?
Technician Certification (ALAT) UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Which environmental conditions are monitored in an animal facility?
-Temperature
-Air exchange rate
-Humidity
-All of the above - CORRECT ANSWER - All of the above
Which of the following statements regarding noise in the animal facility is TRUE?
-Soft music played in animal rooms will calm the animals.
-High noise levels will result in improved rodent breeding.
-The hearing range of many laboratory animals is very different to humans.
-Ultrasound refers to sounds below the frequency of human hearing. - CORRECT
ANSWER - The hearing range of many laboratory animals is very different to humans.
Which of these statements is TRUE regarding the microenvironment?
-The temperature in the cage is the same as the temperature of the room.
-All cages on the rack are exposed to the same amount of lighting.
-None of the above.
-High concentration levels of carbon dioxide and ammonia can be present in the cages. -
CORRECT ANSWER - High concentration levels of carbon dioxide and ammonia can be
present in the cages.
,High humidity in animal rooms may cause which negative consequence?
-Higher ammonia levels
-increased feed consumption
-Increased feed spoilage and mold
-Ringtail - CORRECT ANSWER - Increased feed spoilage and mold
Which of these statements about dust is FALSE?
-Bedding materials produce a lot of dust
-Dust exposes personnel to allergens, and may lead to the development of animal allergies
-Infrequent changes of air filters reduce dust levels
-High dust levels pose a health hazard to animals and personnel - CORRECT ANSWER -
Infrequent changes of air filters reduce dust levels
The Guide recommends how many changes of fresh air per hour?
-15-20
-5-10
-10-15
-2-5 - CORRECT ANSWER - 10-15
Which animal room problem(s), should animal technicians report?
-Malfunctioning lights
-Cracks in surfaces
-Sluggish drains
, -All of the Above - CORRECT ANSWER - All of the above
Which of the following statements regarding aquatic species housing is FALSE?
-The aquatic holding room must be able to structurally support the total weight and distribution
of water in the housing systems.
-The floor should be sloped towards the drains to prevent water from pooling.
-The room should have a reliable method of quickly draining water in the room in case of a
flood.
-Most aquatic facilities are on the top floor of the building to provide necessary light for the
animals . - CORRECT ANSWER - Most aquatic facilities are on the top floor of the
building to provide necessary light for the animals .
Which of the following statements regarding environmental light levels and the husbandry of
laboratory fish is TRUE?
-Some fish species will only feed under low light conditions.
-Many fish only feed in bright light.
-Light spectrum is not important to fish.
-Aquatic rooms should have dim lights to encourage algae growth. - CORRECT
ANSWER - Some fish species will only feed under low light conditions
Water used in aquatic housing systems is generally treated by which method before use?
-HEPA filtration
-Reverse osmosis
-Osmosis
-Electrophoresis - CORRECT ANSWER - Reverse osmosis
Which gases do not accumulate when animal rooms are properly ventilated?
