ALAT Chapter 7 Practice Test with
answers 100% solved 2023
What term refers to the environmental conditions within a room holding animals?
a. Perienvironment
b. Isoenvironment
c. Macroenvironment
d. Microenvironment - correct answer c. Macroenvironment
Proper ventilation in animal rooms helps prevent the accumulation of waste gases, such
as:
a. hydrogen and helium.
b. nitrogen and sulfur dioxide.
c. oxygen and nitrous oxide.
d. ammonia and carbon dioxide - correct answer d. ammonia and carbon dioxide.
The Guide recommends a room ventilation rate of how many air changes per hour?
a. 1 to 4
b. 5 to 9
c. 10 to 15
d. 16 to 20 - correct answer c. 10 to 15
Animal quarantine rooms and rooms containing animals experimentally infected with
pathogens
are normally kept under what type of pressure?
a. Positive
b. Negative
c. Neutral
d. Equivalent - correct answer b. Negative
Albino animals are particularly sensitive to:
a. Light
b. Dark
c. Temperature
d. Humidity - correct answer a. Light
Using a barrier to prevent the entry of infectious agents into a room is called:
a. a critical threshold.
