ALAT Animal Husbandry and Care 2

Question 1

What is the recommended relative humidity range for most laboratory rodent housing facilities?

Accepted Answer

30–70%

Answer

The Guide for the Care and Use of Laboratory Animals recommends 30–70% relative humidity for most rodent species.

Question 2

A mouse is observed barbering cage-mates, causing patchy hair loss. What is the most appropriate first step?

Accepted Answer

Separate the barber mouse from cage-mates

Answer

Isolating the barbering animal is the primary behavioral intervention to prevent further hair loss in cage-mates.

Question 3

Which route of administration is used when delivering a substance directly into the abdominal cavity of a rodent?

Accepted Answer

Intraperitoneal (IP)

Answer

Intraperitoneal injection delivers substances into the peritoneal cavity and is commonly used in rodents for drug administration.

Question 4

What environmental enrichment item is considered essential for rabbits housed in laboratory settings?

Accepted Answer

Nesting material or hiding box

Answer

Rabbits benefit greatly from hiding boxes or nesting material that allow them to express natural sheltering behaviors.

Question 5

How often should automatic watering systems in rodent facilities be checked for proper function?

Accepted Answer

Daily

Answer

Automatic watering systems must be checked daily to ensure valves are functioning and water is available to all animals.

ALAT - Assistant Laboratory Animal Technician Practice Test