CRCST EXAM PREP PRACTICE EXERCISE 1
Dynamic Air Removal: Exposure Time For Any Wrapped Item At 275 Degrees.
3 Minutes
What Is The Correct Percentage Of Relative Humidity For Steam Sterilization?
97%-100%
What Are The 4 Cycles Of Steam Sterilization?
Conditioning, Exposure, Exhaust, Drying
Which Low-Temp Sterilization Method Requires Monitoring?
Ethylene Oxide
How Does Ethylene Oxide Kill Microbes?
By A Process Called Alkylation.
How Do Ozone And Hydrogen Peroxide Kill Microbes?
By A Process Called Oxidation.
Discuss Sterilization Parameters For Ethylene Oxide (Concentration, Temp, Humidity, Exposure
Time, Aeration Time)
Concentration: 450-1200 Mg/L
Temp: 98-145 Degrees F
Exposure Time: 1-6 Hours
, Humidity: 40-80%
Aeration Time: 8-12 Hours At 122-140 Degrees F
What Is The Microorganism Of Choice For Ethylene Oxide Sterilization?
Bacillus Atrophaeus
What Are The Five Phases Of Gas Plasma Sterilization?
Vacuum, Injection, Diffusion, Plasma, Vent
Which Materials Are Not Recommended For Use In Hydrogen Peroxide Sterilization Method She?
Cellulose, Muslin Wraps
What Is The Microorganism Of Choice For Hydrogen Peroxide Gas Plasma Sterilization?
Geobacillus Stearothermophilus
Discuss Hydrogen Peroxide Gas Plasma Sterilization Parameters (Time, Temp, Concentration,
Vacuum Level, Plasma)
Time: 24-75 Minutes
Temp: Less Than 131 Degrees F
Concentration: 59-95%
Vacuum Level: Auto Controlled
Plasma: Auto Controlled
What Are The 4 Cycles For Vaporized Hydrogen Peroxide Systems?
Conditioning, Leak Test, Sterilization, Aeration
Discuss Vaporized Hydrogen Peroxide Sterilization Parameters (Temp, Concentration, Time, Other).
Temp: Less Than 122 Degrees F
Dynamic Air Removal: Exposure Time For Any Wrapped Item At 275 Degrees.
3 Minutes
What Is The Correct Percentage Of Relative Humidity For Steam Sterilization?
97%-100%
What Are The 4 Cycles Of Steam Sterilization?
Conditioning, Exposure, Exhaust, Drying
Which Low-Temp Sterilization Method Requires Monitoring?
Ethylene Oxide
How Does Ethylene Oxide Kill Microbes?
By A Process Called Alkylation.
How Do Ozone And Hydrogen Peroxide Kill Microbes?
By A Process Called Oxidation.
Discuss Sterilization Parameters For Ethylene Oxide (Concentration, Temp, Humidity, Exposure
Time, Aeration Time)
Concentration: 450-1200 Mg/L
Temp: 98-145 Degrees F
Exposure Time: 1-6 Hours
, Humidity: 40-80%
Aeration Time: 8-12 Hours At 122-140 Degrees F
What Is The Microorganism Of Choice For Ethylene Oxide Sterilization?
Bacillus Atrophaeus
What Are The Five Phases Of Gas Plasma Sterilization?
Vacuum, Injection, Diffusion, Plasma, Vent
Which Materials Are Not Recommended For Use In Hydrogen Peroxide Sterilization Method She?
Cellulose, Muslin Wraps
What Is The Microorganism Of Choice For Hydrogen Peroxide Gas Plasma Sterilization?
Geobacillus Stearothermophilus
Discuss Hydrogen Peroxide Gas Plasma Sterilization Parameters (Time, Temp, Concentration,
Vacuum Level, Plasma)
Time: 24-75 Minutes
Temp: Less Than 131 Degrees F
Concentration: 59-95%
Vacuum Level: Auto Controlled
Plasma: Auto Controlled
What Are The 4 Cycles For Vaporized Hydrogen Peroxide Systems?
Conditioning, Leak Test, Sterilization, Aeration
Discuss Vaporized Hydrogen Peroxide Sterilization Parameters (Temp, Concentration, Time, Other).
Temp: Less Than 122 Degrees F
