Question 1

Instruments must be absolutely dry or they will rust when using which type of sterilization process?

Accepted Answer

A) Chemical vapor 
B) Cold sterilization 
C) Steam autoclave 
D) Flash sterilization 
A) Chemical vapor 
B) Cold sterilization 
C) Steam autoclave 
D) Flash sterilization

Question 2

Sterilization errors would include:

Accepted Answer

A) proper packaging. 
B) proper timing. 
C) proper loading. 
D) none of the above. 
A) proper packaging. 
B) proper timing. 
C) proper loading. 
D) none of the above.

Question 3

Instruments that are used to penetrate soft tissue or bone are _____ instruments

Accepted Answer

A) noncritical 
B) semicritical 
C) critical 
D) all of the above 
A) noncritical 
B) semicritical 
C) critical 
D) all of the above

Question 4

What is the best method of determining whether sterilization has occurred?

Accepted Answer

A) Use biologic monitoring. 
B) Check the sterilizer. 
C) Check the single-parameter indicator. 
D) All of the above are equally good methods. 
A) Use biologic monitoring. 
B) Check the sterilizer. 
C) Check the single-parameter indicator. 
D) All of the above are equally good methods.

Question 5

Some ultrasonic cleaning solutions have:

Accepted Answer

A) disinfectants. 
B) enzyme activity. 
C) antimicrobial activity. 
D) both b and c. 
A) disinfectants. 
B) enzyme activity. 
C) antimicrobial activity. 
D) both b and c.

Question 6

Ultrasonic cleaners are used to:

Accepted Answer

A) loosen and remove debris from instruments. 
B) disinfect instruments. 
C) reduce risk of hand injury from cuts and punctures that can occur with hand scrubbing. 
D) both a and c. 
A) loosen and remove debris from instruments. 
B) disinfect instruments. 
C) reduce risk of hand injury from cuts and punctures that can occur with hand scrubbing. 
D) both a and c.

Question 7

How can instrument rusting be prevented?

Accepted Answer

A) Instrument must be completely dry 
B) Lubrication of hinges in instrument 
C) Leaving instrument wet in packaging 
D) Both a and b 
A) Instrument must be completely dry 
B) Lubrication of hinges in instrument 
C) Leaving instrument wet in packaging 
D) Both a and b

Question 8

The CDC,ADA,and OSAP recommend at least ________ biologic monitoring of all sterilizing equipment.

Accepted Answer

A) daily 
B) bi-weekly 
C) weekly 
D) monthly 
A) daily 
B) bi-weekly 
C) weekly 
D) monthly

Question 9

The ultrasonic cleaning solution:

Accepted Answer

A) should be a dilution of the surface disinfectant. 
B) should have an antimicrobial activity that will disinfect the instruments. 
C) should be specially formulated for use only in the ultrasonic cleaner. 
D) must not have enzymatic activity, because such products have been removed from the market. 
A) should be a dilution of the surface disinfectant. 
B) should have an antimicrobial activity that will disinfect the instruments. 
C) should be specially formulated for use only in the ultrasonic cleaner. 
D) must not have enzymatic activity, because such products have been removed from the market.

Question 10

Personal protective equipment (PPE),including _____,must always be used when processing instruments.

Accepted Answer

A) vinyl or latex gloves, a mask, eyewear, and protective clothing 
B) utility gloves, a mask, eyewear, and protective clothing 
C) utility gloves, eyewear, and protective clothing, but not a mask 
D) utility gloves, a mask, and protective clothing, but not eyewear 
A) vinyl or latex gloves, a mask, eyewear, and protective clothing 
B) utility gloves, a mask, eyewear, and protective clothing 
C) utility gloves, eyewear, and protective clothing, but not a mask 
D) utility gloves, a mask, and protective clothing, but not eyewear

Question 11

The ultrasonic cleaner should be cleaned and disinfected:

Accepted Answer

A) every other day. 
B) once a week. 
C) at least once a day. 
D) once every 28 days. 
A) every other day. 
B) once a week. 
C) at least once a day. 
D) once every 28 days.

Question 12

Which of the following is not a chemical used to create vapor for sterilizing with chemical vapor sterilization?

Accepted Answer

A) Ketone 
B) Formaldehyde 
C) Alcohol 
D) Sodium hypochlorite 
A) Ketone 
B) Formaldehyde 
C) Alcohol 
D) Sodium hypochlorite

Question 13

Failure of the sterilization process will be reported by the monitoring service immediately by:

Accepted Answer

A) phone to the dental office as a positive result. 
B) phone to the dental office as a negative result. 
C) mail to the dental office to document that the cultures were read as a positive result. 
D) mail to the dental office to document that the cultures were read as a negative result. 
A) phone to the dental office as a positive result. 
B) phone to the dental office as a negative result. 
C) mail to the dental office to document that the cultures were read as a positive result. 
D) mail to the dental office to document that the cultures were read as a negative result.

Question 14

Which of the following will not cause a sterilization failure?

Accepted Answer

A) Excessive packaging 
B) Using correct packaging material 
C) Overloading of sterilizer 
D) Inadequate instrument cleaning 
A) Excessive packaging 
B) Using correct packaging material 
C) Overloading of sterilizer 
D) Inadequate instrument cleaning

Question 15

Sterilization destroys:

Accepted Answer

A) all microbial forms, including bacterial spores. 
B) all microbial forms, except bacterial spores. 
C) bacteria, including bacterial spores and viruses, but not fungi. 
D) bacteria, including bacterial spores and fungi, but not viruses. 
A) all microbial forms, including bacterial spores. 
B) all microbial forms, except bacterial spores. 
C) bacteria, including bacterial spores and viruses, but not fungi. 
D) bacteria, including bacterial spores and fungi, but not viruses.

Question 16

A method of sterilizing unwrapped patient care items for immediate use is:

Accepted Answer

A) flash sterilization. 
B) dry heat sterilization. 
C) autoclaving. 
D) chemiclaving. 
A) flash sterilization. 
B) dry heat sterilization. 
C) autoclaving. 
D) chemiclaving.

Question 17

After instruments have been through the cleaning cycle of the ultrasonic cleaner,they should be:

Accepted Answer

A) bagged. 
B) rinsed with clear water. 
C) placed in the sterilizer. 
D) put away. 
A) bagged. 
B) rinsed with clear water. 
C) placed in the sterilizer. 
D) put away.

Question 18

When using an autoclave to sterilize dental instruments and other items,is it the heat or the pressure that kills the microorganisms?

Accepted Answer

A) Heat 
B) Pressure 
C) Both heat and pressure 
A) Heat 
B) Pressure 
C) Both heat and pressure

Question 19

Which of the following is not a form of sterilization monitoring?

Accepted Answer

A) Physical 
B) Structural 
C) Chemical 
D) Biologic 
A) Physical 
B) Structural 
C) Chemical 
D) Biologic

Question 20

Why are instruments bagged before sterilization?

Accepted Answer

A) To protect them from becoming contaminated after sterilization 
B) To allow them to be grouped into special setups by procedure 
C) To keep them from rusting 
D) Both a and b 
A) To protect them from becoming contaminated after sterilization 
B) To allow them to be grouped into special setups by procedure 
C) To keep them from rusting 
D) Both a and b

Exam 21: Principles and Techniques of Instrument Processing and Sterilization

Instruments must be absolutely dry or they will rust when using which type of sterilization process?

Sterilization errors would include:

Instruments that are used to penetrate soft tissue or bone are _____ instruments

What is the best method of determining whether sterilization has occurred?

Some ultrasonic cleaning solutions have:

Ultrasonic cleaners are used to:

How can instrument rusting be prevented?

The CDC,ADA,and OSAP recommend at least ________ biologic monitoring of all sterilizing equipment.

The ultrasonic cleaning solution:

Personal protective equipment (PPE),including _____,must always be used when processing instruments.

The ultrasonic cleaner should be cleaned and disinfected:

Which of the following is not a chemical used to create vapor for sterilizing with chemical vapor sterilization?

Failure of the sterilization process will be reported by the monitoring service immediately by:

Which of the following will not cause a sterilization failure?

Sterilization destroys:

A method of sterilizing unwrapped patient care items for immediate use is:

After instruments have been through the cleaning cycle of the ultrasonic cleaner,they should be:

When using an autoclave to sterilize dental instruments and other items,is it the heat or the pressure that kills the microorganisms?

Which of the following is not a form of sterilization monitoring?

Why are instruments bagged before sterilization?

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

Ergonomics

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics