LATG - Laboratory Animal Technologist Certification Exam with Questions and Answers

LATG - Laboratory Animal Technologist Certification Exam with Questions and Answers Which environmental enrichment is most appropriate for promoting normal gnawing behavior in laboratory mice? A. Continuous bright lighting B. Autoclaved wooden gnawing blocks C. Wire flooring without bedding D. Daily food deprivation Correct Answer: B. Autoclaved wooden gnawing blocks Rationale: Mice have continuously growing incisors and require suitable materials for gnawing. Autoclaved wooden blocks promote natural behavior, reduce stress, and help prevent dental overgrowth while maintaining biosecurity. Which characteristic best distinguishes rats from mice in laboratory housing? A. Rats are solitary and should be housed individually whenever possible. B. Rats are highly social and generally benefit from compatible group housing. C. Rats require constant exposure to loud sounds. D. Rats are nocturnal predators that should be housed with rabbits. Correct Answer: B. Rats are highly social and generally benefit from compatible group housing. Rationale: Rats are social animals that typically thrive in stable social groups. Compatible group housing supports normal social interactions and improves overall welfare unless scientific or veterinary reasons require individual housing.