AALAS Laboratory Animal Technician (LAT) Practice Test

Which temperature range is commonly used in many facilities?

59 to 64 ˚F 64 to 69 ˚F 70 to 76 ˚F 77 to 84 ˚F

Correct Answer:

70 to 76 ˚F

Explanation:

Maintaining a comfortable, stable ambient temperature is essential because animals regulate their body heat and temperature extremes can alter physiology and research results. A mid-range room temperature of about 70–76°F (roughly 21–24°C) is commonly used because it minimizes cold stress without inducing heat stress, helping animals stay comfortable and keeping metabolic and behavioral variables more stable for experiments. Lower temperatures such as 59–64°F or 64–69°F can trigger cold-stress responses, increasing energy use and potentially biasing data. A higher range like 77–84°F risks heat stress, faster respiration, and metabolic changes that can also affect outcomes. Therefore, 70–76°F is the most appropriate and commonly used choice in many facilities.

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