Question 1

In order to destroy prions,such as those in Creutzfeldt-Jakob disease,how long must they be sterilized?

Accepted Answer

A)  Chemically sterilized for 10 minutes in Cavicide 
B)  Steam sterilized for a minimum of 1 hour at 270° F after soaking in sodium hydroxide for 1 hour 
C)  Soaked in ethylene oxide for at least 30 minutes,then dry heat sterilized for 10 minutes 
D)  Rinsing in sterile water at 240° F for 1 hour then rinsing in Cavicide 
A)  Chemically sterilized for 10 minutes in Cavicide 
B)  Steam sterilized for a minimum of 1 hour at 270° F after soaking in sodium hydroxide for 1 hour 
C)  Soaked in ethylene oxide for at least 30 minutes,then dry heat sterilized for 10 minutes 
D)  Rinsing in sterile water at 240° F for 1 hour then rinsing in Cavicide B

Question 2

____sterilization is the type of sterilization used when instruments are needed for immediate use.

Accepted Answer

A)  Flash 
B)  Terminal 
C)  Aeration 
D)  Hydrogen peroxide 
A)  Flash 
B)  Terminal 
C)  Aeration 
D)  Hydrogen peroxide A

Question 3

Concave or cupped instruments should be placed with the cupped side up so they catch and retain the excess water or solution at the end of the sterilization cycle.

Accepted Answer

A) True 
 B)False  False

Question 4

When loading a dry heat sterilizer,it must be loaded to the fullest capacity with no space wasted so as to use the energy efficiently.

Accepted Answer

A) True 
 B)False

Question 5

What is the preferred method for sterilizing talc?

Accepted Answer

A)  Steam heat sterilization 
B)  Dry heat sterilization 
C)  EO gas sterilization 
D)  Glutaraldehyde sterilization 
A)  Steam heat sterilization 
B)  Dry heat sterilization 
C)  EO gas sterilization 
D)  Glutaraldehyde sterilization

Question 6

A sterilized peel-pack pouch is considered sterile for only 30 days once it has been sterilized.

Accepted Answer

A) True 
 B)False

Question 7

Which is one of the six process-associated parameters associated with sterilization?

Accepted Answer

A)  Steam quality 
B)  Wrapper capacity 
C)  Cost to operate radiation sterilization 
D)  Saturation and penetration 
A)  Steam quality 
B)  Wrapper capacity 
C)  Cost to operate radiation sterilization 
D)  Saturation and penetration

Question 8

What is the purpose of a load control number?

Accepted Answer

A)  To determine which OR is being used for particular procedures 
B)  To determine the time the item or instrument tray is being used 
C)  To facilitate identification and retrieval of supplies if a sterilization failure occurs 
D)  To track which patient is being operated on within a facility 
A)  To determine which OR is being used for particular procedures 
B)  To determine the time the item or instrument tray is being used 
C)  To facilitate identification and retrieval of supplies if a sterilization failure occurs 
D)  To track which patient is being operated on within a facility

Question 9

What method assures that sterilization conditions have been achieved during the steam sterilization process?

Accepted Answer

A)  Bowie-Dick test 
B)  Negative biologic control 
C)  Negative biologic indicator 
D)  Class 2 auto test 
A)  Bowie-Dick test 
B)  Negative biologic control 
C)  Negative biologic indicator 
D)  Class 2 auto test

Question 10

Ethylene oxide (EO)is a chemical sterilant that does not kill spores.

Accepted Answer

A) True 
 B)False

Question 11

Which is one of the three known residual products found after EO sterilization?

Accepted Answer

A)  Ethylene chloride. 
B)  Ethylene alcohol 
C)  Ethylene glycol. 
D)  Hydrogen peroxide 
A)  Ethylene chloride. 
B)  Ethylene alcohol 
C)  Ethylene glycol. 
D)  Hydrogen peroxide

Question 12

What is required for the steam sterilization process to be effective in killing microorganisms?

Accepted Answer

A)  Cool sterile air and hydrogen peroxide 
B)  Pounds of pressure and heat 
C)  Moisture and heat 
D)  Air in sterilizer chamber 
A)  Cool sterile air and hydrogen peroxide 
B)  Pounds of pressure and heat 
C)  Moisture and heat 
D)  Air in sterilizer chamber

Question 13

When the sterilizer door is opened,wrapped instruments must be removed immediately to begin cooling and drying on a cool surface.

Accepted Answer

A) True 
 B)False

Question 14

What is an advantage of using custom packs for a surgical procedure?

Accepted Answer

A)  Reduces turnover time in opening supplies for a procedure 
B)  Provides many extra supplies within the pack from which the scrub nurse can choose 
C)  Increases inventory numbers 
D)  Requires additional inventory space 
A)  Reduces turnover time in opening supplies for a procedure 
B)  Provides many extra supplies within the pack from which the scrub nurse can choose 
C)  Increases inventory numbers 
D)  Requires additional inventory space

Question 15

Which is an advantage of using ozone gas sterilization?

Accepted Answer

A)  Multiple settings for each cycle 
B)  Inexpensive cost per each load 
C)  High temperature heats instruments and sterilizes well 
D)  Can be used to sterilize implants and flexible endoscopes 
A)  Multiple settings for each cycle 
B)  Inexpensive cost per each load 
C)  High temperature heats instruments and sterilizes well 
D)  Can be used to sterilize implants and flexible endoscopes

Question 16

Which is a disadvantage of steam sterilization?

Accepted Answer

A)  Steam leaves a harmful residue on instruments. 
B)  Items need to be clean and free of grease. 
C)  Steam is expensive and not easily supplied. 
D)  Steam's total time cycle is the longest of all methods. 
A)  Steam leaves a harmful residue on instruments. 
B)  Items need to be clean and free of grease. 
C)  Steam is expensive and not easily supplied. 
D)  Steam's total time cycle is the longest of all methods.

Question 17

When using a gravity displacement sterilizer,the ability of the steam to kill the microorganisms is increased in direct proportion to the amount of air present.

Accepted Answer

A) True 
 B)False

Question 18

Dry heat sterilization is the preferred method of sterilization for which instruments?

Accepted Answer

A)  Tissue scissors 
B)  Sweetheart retractor 
C)  Orthopedic mallet 
D)  Richardson retractor 
A)  Tissue scissors 
B)  Sweetheart retractor 
C)  Orthopedic mallet 
D)  Richardson retractor

Question 19

What is the purpose of a Bowie-Dick test?

Accepted Answer

A)  To determine the temperature of the sterilizer 
B)  To check for any residual microorganisms left in the sterilizer 
C)  To check for air entrapment in the prevacuum sterilizer 
D)  To determine whether the prevacuum sterilizer is cooling at the correct temperature 
A)  To determine the temperature of the sterilizer 
B)  To check for any residual microorganisms left in the sterilizer 
C)  To check for air entrapment in the prevacuum sterilizer 
D)  To determine whether the prevacuum sterilizer is cooling at the correct temperature

Question 20

Sterilization renders an item free of most microorganisms except for some spores.

Accepted Answer

A) True 
 B)False

Exam 18: Sterilization

In order to destroy prions,such as those in Creutzfeldt-Jakob disease,how long must they be sterilized?

____sterilization is the type of sterilization used when instruments are needed for immediate use.

Concave or cupped instruments should be placed with the cupped side up so they catch and retain the excess water or solution at the end of the sterilization cycle.

When loading a dry heat sterilizer,it must be loaded to the fullest capacity with no space wasted so as to use the energy efficiently.

What is the preferred method for sterilizing talc?

A sterilized peel-pack pouch is considered sterile for only 30 days once it has been sterilized.

Which is one of the six process-associated parameters associated with sterilization?

What is the purpose of a load control number?

What method assures that sterilization conditions have been achieved during the steam sterilization process?

Ethylene oxide (EO)is a chemical sterilant that does not kill spores.

Which is one of the three known residual products found after EO sterilization?

What is required for the steam sterilization process to be effective in killing microorganisms?

When the sterilizer door is opened,wrapped instruments must be removed immediately to begin cooling and drying on a cool surface.

What is an advantage of using custom packs for a surgical procedure?

Which is an advantage of using ozone gas sterilization?

Which is a disadvantage of steam sterilization?

When using a gravity displacement sterilizer,the ability of the steam to kill the microorganisms is increased in direct proportion to the amount of air present.

Dry heat sterilization is the preferred method of sterilization for which instruments?

What is the purpose of a Bowie-Dick test?

Sterilization renders an item free of most microorganisms except for some spores.

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