ALAT - Assistant Laboratory Animal Technician Facility Environment and Management Questions and Answers

Question 1

A research facility is designing a room to house immunocompromised animals.
To prevent contaminants from entering the room and protecting the animals, what type of air pressure should the room have relative to the adjacent corridor?

Accepted Answer

Positive pressure

Answer

Negative pressure

Answer

Neutral pressure

Answer

Variable pressure

Question 2

Which of the following BEST describes the 'microenvironment' in a laboratory animal facility?

Accepted Answer

The physical environment within the primary enclosure, such as the cage or pen.

Answer

The animal housing room, including its temperature, humidity, and ventilation.

Answer

The entire animal facility building and its HVAC system.

Answer

The outdoor conditions surrounding the research facility.

Question 3

A technician is cleaning a rodent cage that has just been vacated. The first step involves removing all bedding, feed, and organic debris. What is this initial process called?

Accepted Answer

Cleaning

Answer

Disinfection

Answer

Sterilization

Answer

Sanitation

Question 4

The 'Guide for the Care and Use of Laboratory Animals' recommends a ventilation rate for secondary enclosures (animal rooms) of how many fresh air changes per hour?

Accepted Answer

10-15

Answer

1-5

Answer

5-10

Answer

20-25

Question 5

An animal technician notices a wild mouse in the facility's feed storage room. According to a proper integrated pest management (IPM) program, what should be the technician's FIRST action?

Accepted Answer

Report the sighting to their supervisor or the designated pest control contact.

Answer

Immediately place several bait stations in the area.

Answer

Attempt to capture the mouse using available materials.

Answer

Ignore the single mouse as it is likely an isolated incident.

Question 6

Which of the following environmental factors is NOT considered part of the animal's macroenvironment?

Accepted Answer

The concentration of ammonia inside a static mouse cage.

Answer

The temperature of the animal housing room.

Answer

The light cycle (photoperiod) in the room.

Answer

The relative humidity of the room.

A research facility is designing a room to house immunocompromised animals.To prevent contaminants from entering the room and protecting the animals, what type of air pressure should the room have relative to the adjacent corridor?

A research facility is designing a room to house immunocompromised animals.
To prevent contaminants from entering the room and protecting the animals, what type of air pressure should the room have relative to the adjacent corridor?