ALAT Chapter 7 Final Exam. The
Laboratory Animal Environment
What type of room is used to house pathogen free animals?
A. Isolation room
B. Procedure room
C. Bioexclusion barrier room
D. All of the above - answerC. Bioexclusion barrier room
Where can housekeeping supplies be stored to minimize the risk of chemical
contamination?
A. On the feed pallet
B. In an animal room with elevated racks for animal cages
C. In a designated room for equipment and supply storage
D. Hallways - answerC. In a designated room for equipment and supply storage
What type of room is used to collect blood samples?
A. Animal room
B. Storage room
C. Procedure room
D. None of the above - answerC. Procedure room
The Guide recommends how many changes of fresh air per hour?
A. 2-5
B. 15-20
C. 10-15
D. 5-10 - answerC. 10-15
Which of these statements is TRUE regarding the microenvironment?
A. All cages on the rack are exposed to the same amount of lighting.
B. High concentration levels of carbon dioxide and ammonia can be present in the
cages.
C. None of the above.
D. The temperature in the cage is the same as the temperature of the room. - answerB.
High concentration levels of carbon dioxide and ammonia can be present in the cages.
High humidity in animal rooms may cause which negative consequence?
Laboratory Animal Environment
What type of room is used to house pathogen free animals?
A. Isolation room
B. Procedure room
C. Bioexclusion barrier room
D. All of the above - answerC. Bioexclusion barrier room
Where can housekeeping supplies be stored to minimize the risk of chemical
contamination?
A. On the feed pallet
B. In an animal room with elevated racks for animal cages
C. In a designated room for equipment and supply storage
D. Hallways - answerC. In a designated room for equipment and supply storage
What type of room is used to collect blood samples?
A. Animal room
B. Storage room
C. Procedure room
D. None of the above - answerC. Procedure room
The Guide recommends how many changes of fresh air per hour?
A. 2-5
B. 15-20
C. 10-15
D. 5-10 - answerC. 10-15
Which of these statements is TRUE regarding the microenvironment?
A. All cages on the rack are exposed to the same amount of lighting.
B. High concentration levels of carbon dioxide and ammonia can be present in the
cages.
C. None of the above.
D. The temperature in the cage is the same as the temperature of the room. - answerB.
High concentration levels of carbon dioxide and ammonia can be present in the cages.
High humidity in animal rooms may cause which negative consequence?
