ALAT Unit Two Exam
What is the definition of "sanitization"? - answer The reduction of the number of
microorganisms on a surface or object
If a chemical ends in "-cide", what kind of chemical is it? - answer A disinfectant
What type of cage washer is best used for cleaning large numbers of smaller pieces of
equipment such as rodent cages, or geed bowls? - answerA tunnel washer
What is not necessarily true about cleaning animal rooms? - answer Every animal room
should be cleaned once per week
Why are vermin a problem in animal facilities? - answerThey can spread disease to the
laboratory animals
What must be done before disinfecting an object with bleach? - answerDebris and
organic matter must be removed
What is the most sensitive method to monitor autoclave effectiveness? - answerUsing a
biological indicator
What are the three processes used to either remove or kill microorganisms? -
answerSanitization, disinfection, sterilization
What precautions must be taken when autoclaving a liquid substance in a bottle? -
answerLiquid containers should not be tightly sealed or completely filled because the
liquid will expand as the temperature rises
Which of the following is an item the should never be autoclaved? - answerFlammable
liquid
What should you do if you notice that one of the safety valve on the cage washer is not
working correctly? - answerTell your supervisor immediately
Which biosafety cabinets are known as "glove boxes"? - answerClass III
Cleaning assessment using a RODAC (Replicate Organism Detection And Counting)
plate, involves: - answerMicrobial growth in a nutrient medium
Which equipment is often used on loading docks to decontaminate items such as bags
of feed and bedding? - answerMister
What is the definition of "sanitization"? - answer The reduction of the number of
microorganisms on a surface or object
If a chemical ends in "-cide", what kind of chemical is it? - answer A disinfectant
What type of cage washer is best used for cleaning large numbers of smaller pieces of
equipment such as rodent cages, or geed bowls? - answerA tunnel washer
What is not necessarily true about cleaning animal rooms? - answer Every animal room
should be cleaned once per week
Why are vermin a problem in animal facilities? - answerThey can spread disease to the
laboratory animals
What must be done before disinfecting an object with bleach? - answerDebris and
organic matter must be removed
What is the most sensitive method to monitor autoclave effectiveness? - answerUsing a
biological indicator
What are the three processes used to either remove or kill microorganisms? -
answerSanitization, disinfection, sterilization
What precautions must be taken when autoclaving a liquid substance in a bottle? -
answerLiquid containers should not be tightly sealed or completely filled because the
liquid will expand as the temperature rises
Which of the following is an item the should never be autoclaved? - answerFlammable
liquid
What should you do if you notice that one of the safety valve on the cage washer is not
working correctly? - answerTell your supervisor immediately
Which biosafety cabinets are known as "glove boxes"? - answerClass III
Cleaning assessment using a RODAC (Replicate Organism Detection And Counting)
plate, involves: - answerMicrobial growth in a nutrient medium
Which equipment is often used on loading docks to decontaminate items such as bags
of feed and bedding? - answerMister
