Question 1

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 B

Question 2

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. B

Question 3

A closed-container system with moisture in the closed tray is considered unsterile and contaminated.

Accepted Answer

A) True 
 B)False  False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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 6

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 7

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

Accepted Answer

A) True 
 B)False

Question 8

A case cart system is used to gather and deliver sterile and nonsterile items needed for a particular surgical procedure.

Accepted Answer

A) True 
 B)False

Question 9

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 10

Where are count sheets placed for the sterilization process?

Accepted Answer

A) In the bottom of the tray 
B) Set on the case cart 
C) Placed on top of instruments 
D) Taped to the top 
A) In the bottom of the tray 
B) Set on the case cart 
C) Placed on top of instruments 
D) Taped to the top

Question 11

Lubricant on any items must be removed before being sterilized with EO gas.

Accepted Answer

A) True 
 B)False

Question 12

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 13

Routine maintenance consists of daily inspections of gaskets,gauges,and drain screens of sterilizing devices used.

Accepted Answer

A) True 
 B)False

Question 14

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

Question 15

Most gravity displacement steam sterilizers have a minimum exposure time of ____ minutes.

Accepted Answer

A) 8 to 10 
B) 15 to 30 
C) 4 
D) 15 
A) 8 to 10 
B) 15 to 30 
C) 4 
D) 15

Question 16

When preparing to sterilize odd-shaped or single instruments,which packaging material is best?

Accepted Answer

A) Nonwoven fabric 
B) Peel-pack pouch 
C) Wrapped tray 
D) Foam and two-ply paper wrap 
A) Nonwoven fabric 
B) Peel-pack pouch 
C) Wrapped tray 
D) Foam and two-ply paper wrap

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

Which statement regarding irradiation sterilization is true?

Accepted Answer

A) The principal sources of ionizing radiation are water molecules and heat. 
B) Ionizing radiation is the most effective sterilization method. 
C) Irradiation cannot sterilize heat- and moisture-sensitive items. 
D) Beta 45 is the most commonly used source for irradiation sterilization. 
A) The principal sources of ionizing radiation are water molecules and heat. 
B) Ionizing radiation is the most effective sterilization method. 
C) Irradiation cannot sterilize heat- and moisture-sensitive items. 
D) Beta 45 is the most commonly used source for irradiation sterilization.

Question 19

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

Question 20

Which is a type of chemical sterilizing agent?

Accepted Answer

A) Steam 
B) Microwave 
C) Ozone gas 
D) Radiation vapor 
A) Steam 
B) Microwave 
C) Ozone gas 
D) Radiation vapor

Exam 18: Sterilization

What is the preferred method for sterilizing talc?

Which is a disadvantage of steam sterilization?

A closed-container system with moisture in the closed tray is considered unsterile and contaminated.

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?

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

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

A case cart system is used to gather and deliver sterile and nonsterile items needed for a particular surgical procedure.

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.

Where are count sheets placed for the sterilization process?

Lubricant on any items must be removed before being sterilized with EO gas.

Which is an advantage of using ozone gas sterilization?

Routine maintenance consists of daily inspections of gaskets,gauges,and drain screens of sterilizing devices used.

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.

Most gravity displacement steam sterilizers have a minimum exposure time of ____ minutes.

When preparing to sterilize odd-shaped or single instruments,which packaging material is best?

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.

Which statement regarding irradiation sterilization is true?

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

Which is a type of chemical sterilizing agent?

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