1|Page
AALAS LAT CERTIFICATION TEST BANK 1 LATEST 2026-2027
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
Although weaker, which type of radiation can be more hazardous
if not used properly?
-Alpha particles
-ultraviolet light
-Beta particles
-Gamma waves - ANSWER-Ultraviolet light
What is the purpose of a wet-bulb thermometer?
-To measure humidity
-To measure temperature
-To measure air pressure
-To measure ventilation - ANSWER-To measure humidity
Which factor may influence the required level of kill for a sterilant?
-Temperature of the room
,2|Page
-Species of research animal being used
-Acidity of the agent
-BSL level of the research activities - ANSWER-BSL level of the
search activities
What is the most commonly used biological indicator?
-Bacillus subtilis
-Geobacillus stearothermophilus
-Bacillus sterothermophilus
-Bacillus atrophaeus - ANSWER-Bacillus sterothermophilus
What type of chemical reduces the number of, but does not
eliminate, microorganisms?
-Disinfectant
-Sanitizer
-Sporicide
-Sterilizer - ANSWER-Sanitizer
What is the hardness of water a measure of?
,3|Page
-Microorganisms
-Oxygen
-Dissolved minerals
-Contaminant - ANSWER-Dissolved minerals
Which of the following is NOT an example of a secondary barrier?
-Biological safety cabinet
-Airlock
-Handwashing sink
-Locker room - ANSWER-Biological safety cabinet
... time is the period of time that a chemical is left on a surface
before it is rinsed.
-Drying
-Setting
-Dilution
-Contact - ANSWER-Contact
, 4|Page
What is a tuberculocidal agent?
-A drug that helps prevent tuberculosis if a person is exposed
-A chemical that causes tuberculosis
-A disinfectant that at specific concentrations can kill
Mycobacterium tuberculosis
-A sample of the tuberculosis microbe that must be kept in a
secure location - ANSWER-A disinfectant that at specific
concentrations can kill Mycobacterium tuberculosis
Which chemical can sterilize a variety of instruments in just over
an hour?
-Vaporized hydrogen peroxide
-Chlorine dioxide
-Formaldehyde gas
-Plasma hydrogen peroxide - ANSWER-Plasma hydrogen
peroxide
What can be added to chemical agents to prevent significant pH
changes when the product is diluted?
-Spores
AALAS LAT CERTIFICATION TEST BANK 1 LATEST 2026-2027
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
Although weaker, which type of radiation can be more hazardous
if not used properly?
-Alpha particles
-ultraviolet light
-Beta particles
-Gamma waves - ANSWER-Ultraviolet light
What is the purpose of a wet-bulb thermometer?
-To measure humidity
-To measure temperature
-To measure air pressure
-To measure ventilation - ANSWER-To measure humidity
Which factor may influence the required level of kill for a sterilant?
-Temperature of the room
,2|Page
-Species of research animal being used
-Acidity of the agent
-BSL level of the research activities - ANSWER-BSL level of the
search activities
What is the most commonly used biological indicator?
-Bacillus subtilis
-Geobacillus stearothermophilus
-Bacillus sterothermophilus
-Bacillus atrophaeus - ANSWER-Bacillus sterothermophilus
What type of chemical reduces the number of, but does not
eliminate, microorganisms?
-Disinfectant
-Sanitizer
-Sporicide
-Sterilizer - ANSWER-Sanitizer
What is the hardness of water a measure of?
,3|Page
-Microorganisms
-Oxygen
-Dissolved minerals
-Contaminant - ANSWER-Dissolved minerals
Which of the following is NOT an example of a secondary barrier?
-Biological safety cabinet
-Airlock
-Handwashing sink
-Locker room - ANSWER-Biological safety cabinet
... time is the period of time that a chemical is left on a surface
before it is rinsed.
-Drying
-Setting
-Dilution
-Contact - ANSWER-Contact
, 4|Page
What is a tuberculocidal agent?
-A drug that helps prevent tuberculosis if a person is exposed
-A chemical that causes tuberculosis
-A disinfectant that at specific concentrations can kill
Mycobacterium tuberculosis
-A sample of the tuberculosis microbe that must be kept in a
secure location - ANSWER-A disinfectant that at specific
concentrations can kill Mycobacterium tuberculosis
Which chemical can sterilize a variety of instruments in just over
an hour?
-Vaporized hydrogen peroxide
-Chlorine dioxide
-Formaldehyde gas
-Plasma hydrogen peroxide - ANSWER-Plasma hydrogen
peroxide
What can be added to chemical agents to prevent significant pH
changes when the product is diluted?
-Spores
