Question 1

The difference between dental aerosols and spatter is that:

Accepted Answer

A) dental aerosols remain airborne for a much longer period of time. 
B) spatter droplets are much smaller than aerosol particles. 
C) dental aerosols are created only during use of the air/water syringe. 
D) spatter droplets remain airborne much longer than aerosols. 
A) dental aerosols remain airborne for a much longer period of time. 
B) spatter droplets are much smaller than aerosol particles. 
C) dental aerosols are created only during use of the air/water syringe. 
D) spatter droplets remain airborne much longer than aerosols. A

Question 2

What barriers should be worn before changing the vacuum line trap?

Accepted Answer

A) Gloves 
B) Gloves and mask 
C) Gloves, mask, and protective eyewear 
D) Gloves, masks, protective eyewear, and protective clothing 
A) Gloves 
B) Gloves and mask 
C) Gloves, mask, and protective eyewear 
D) Gloves, masks, protective eyewear, and protective clothing D

Question 3

Which of the following will best reduce the spread of patient microbes to environmental surfaces?

Accepted Answer

A) Switching from disposable to reusable air/water syringe tips 
B) Not having carpet on the operatory floor 
C) Touching as few surfaces as possible 
D) Using disposable high-volume evacuator tips 
A) Switching from disposable to reusable air/water syringe tips 
B) Not having carpet on the operatory floor 
C) Touching as few surfaces as possible 
D) Using disposable high-volume evacuator tips C

Question 4

You can use a plastic disposable high-volume evacuator tip on how many patients?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 10 
A) 1 
B) 2 
C) 3 
D) 10

Question 5

One should not use bleach (sodium hypochlorite) to flush or clean out the vacuum line.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following will minimize the spread of patient materials to the dental team?

Accepted Answer

A) Using a disposable rather that a reusable air/water syringe tip 
B) Using a vacuum line to receive the spray when cleaning/flushing high-speed handpieces 
C) Using a reusable rather that a disposable high-volume evacuator tip 
D) Using an overglove when leaving chairside 
A) Using a disposable rather that a reusable air/water syringe tip 
B) Using a vacuum line to receive the spray when cleaning/flushing high-speed handpieces 
C) Using a reusable rather that a disposable high-volume evacuator tip 
D) Using an overglove when leaving chairside

Question 7

Pre-procedure mouth rinses need to be _____ for them to provide an infection control advantage.

Accepted Answer

A) antimicrobial 
B) sweet 
C) blue or green in color 
D) held in the mouth for 10 minutes 
A) antimicrobial 
B) sweet 
C) blue or green in color 
D) held in the mouth for 10 minutes

Question 8

When a rubber dam and high-volume evacuator is used during a restorative procedure on a child patient, the chairside assistant need not wear a mask or eye protection.

Accepted Answer

A) True 
 B)False

Question 9

What is the main infection control advantage of using a rubber dam?

Accepted Answer

A) It eliminates the need for using a water spray from the air/water syringe. 
B) It prevents microbes on the isolated tooth or teeth from being aerosolized. 
C) It reduces the microbes escaping from the patient's mouth in aerosols or spatter. 
D) It keeps the dental team from having to wear gloves when treating that patient. 
A) It eliminates the need for using a water spray from the air/water syringe. 
B) It prevents microbes on the isolated tooth or teeth from being aerosolized. 
C) It reduces the microbes escaping from the patient's mouth in aerosols or spatter. 
D) It keeps the dental team from having to wear gloves when treating that patient.

Question 10

What should be done to reduce the spread of contamination when leaving chairside during patient treatment to retrieve a supply item?

Accepted Answer

A) Remove your protective clothing. 
B) Remove your gloves. 
C) Remove your mask. 
D) Remove your protective eyewear. 
A) Remove your protective clothing. 
B) Remove your gloves. 
C) Remove your mask. 
D) Remove your protective eyewear.

Question 11

Which of the following procedures would give additional protection (above that from wearing appropriate personal protective barriers) when changing or cleaning the vacuum line trap?

Accepted Answer

A) Evacuate a disinfectant down the line before cleaning or changing the trap. 
B) Double sterilize the hand piece used on the patient treated just before changing or cleaning the trap. 
C) Use a rubber dam on the patient treated just before changing or cleaning the trap. 
D) Use a disposable high-volume evacuator tip. 
A) Evacuate a disinfectant down the line before cleaning or changing the trap. 
B) Double sterilize the hand piece used on the patient treated just before changing or cleaning the trap. 
C) Use a rubber dam on the patient treated just before changing or cleaning the trap. 
D) Use a disposable high-volume evacuator tip.

Question 12

The smallest particles generated during the use of high-speed handpieces are called:

Accepted Answer

A) droplets. 
B) spatter particles. 
C) aerosols. 
D) sprays. 
A) droplets. 
B) spatter particles. 
C) aerosols. 
D) sprays.

Question 13

How does a pre-procedure mouth rinse contribute to infection control?

Accepted Answer

A) It will permanently kill all microorganisms in the mouth. 
B) It will temporarily reduce the number of oral microorganisms that come out of the mouth during dental care. 
C) It will anesthetize the mouth and eliminate the need for an injection. 
D) It will eliminate plaque and calculus and begin to reverse dental caries by adding calcium back to the demineralized portions of the teeth. 
A) It will permanently kill all microorganisms in the mouth. 
B) It will temporarily reduce the number of oral microorganisms that come out of the mouth during dental care. 
C) It will anesthetize the mouth and eliminate the need for an injection. 
D) It will eliminate plaque and calculus and begin to reverse dental caries by adding calcium back to the demineralized portions of the teeth.

Question 14

Which of the following infection control procedures best minimizes the patient to dental team route of transmission when patient treatment involves using the air/water syringe?

Accepted Answer

A) Use of sterile gloves 
B) Using a disposable air/water syringe tip 
C) The high-volume evacuator 
D) Pre-procedure mouth rinse 
A) Use of sterile gloves 
B) Using a disposable air/water syringe tip 
C) The high-volume evacuator 
D) Pre-procedure mouth rinse

Question 15

Research has shown that in one of five cases, fluids from the line may be retracted back into the patient's mouth if the patient closes his or her lips around the:

Accepted Answer

A) high-speed handpiece. 
B) saliva ejector. 
C) high-volume evacuator. 
D) air/water syringe tip. 
A) high-speed handpiece. 
B) saliva ejector. 
C) high-volume evacuator. 
D) air/water syringe tip.

Question 16

Which of the following infection control procedures best minimizes the patient to dental team route of transmission when patient treatment involves using a high-speed handpiece?

Accepted Answer

A) Use of sterile gloves 
B) Sterilization of the hand piece 
C) The high-volume evacuator 
D) Pre-procedure mouth rinse 
A) Use of sterile gloves 
B) Sterilization of the hand piece 
C) The high-volume evacuator 
D) Pre-procedure mouth rinse

Question 17

Carpeting should not be used in dental operatories because it:

Accepted Answer

A) is not easy to walk on. 
B) may fade. 
C) is difficult to clean. 
D) will show wear patterns. 
A) is not easy to walk on. 
B) may fade. 
C) is difficult to clean. 
D) will show wear patterns.

Question 18

What should be done to mops and cloths before using them again for cleaning?

Accepted Answer

A) Treat them with the antimicrobial hand hygiene agent used in the office. 
B) Clean and dry them. 
C) Store them in water until reuse. 
D) Ring out the dirty water. 
A) Treat them with the antimicrobial hand hygiene agent used in the office. 
B) Clean and dry them. 
C) Store them in water until reuse. 
D) Ring out the dirty water.

Question 19

What is a major advantage of using a disposable item versus its reusable counterpart?

Accepted Answer

A) Using disposables is always less expensive. 
B) Disposables can be used on two to three patients, saving cleaning and sterilization time and labor. 
C) Disposables always have a more efficient operation. 
D) Disposables are the best way to prevent patient-to-patient spread of contamination. 
A) Using disposables is always less expensive. 
B) Disposables can be used on two to three patients, saving cleaning and sterilization time and labor. 
C) Disposables always have a more efficient operation. 
D) Disposables are the best way to prevent patient-to-patient spread of contamination.

Exam 15: Aseptic Techniques

The difference between dental aerosols and spatter is that:

What barriers should be worn before changing the vacuum line trap?

Which of the following will best reduce the spread of patient microbes to environmental surfaces?

You can use a plastic disposable high-volume evacuator tip on how many patients?

One should not use bleach (sodium hypochlorite) to flush or clean out the vacuum line.

Which of the following will minimize the spread of patient materials to the dental team?

Pre-procedure mouth rinses need to be _____ for them to provide an infection control advantage.

When a rubber dam and high-volume evacuator is used during a restorative procedure on a child patient, the chairside assistant need not wear a mask or eye protection.

What is the main infection control advantage of using a rubber dam?

What should be done to reduce the spread of contamination when leaving chairside during patient treatment to retrieve a supply item?

Which of the following procedures would give additional protection (above that from wearing appropriate personal protective barriers) when changing or cleaning the vacuum line trap?

The smallest particles generated during the use of high-speed handpieces are called:

How does a pre-procedure mouth rinse contribute to infection control?

Which of the following infection control procedures best minimizes the patient to dental team route of transmission when patient treatment involves using the air/water syringe?

Research has shown that in one of five cases, fluids from the line may be retracted back into the patient's mouth if the patient closes his or her lips around the:

Which of the following infection control procedures best minimizes the patient to dental team route of transmission when patient treatment involves using a high-speed handpiece?

Carpeting should not be used in dental operatories because it:

What should be done to mops and cloths before using them again for cleaning?

What is a major advantage of using a disposable item versus its reusable counterpart?

Scope of Microbiology and Infection Control

Characteristics of Microorganisms

Development of Infectious Diseases

Emerging Diseases

Oral Microbiology and Plaque-Associated Diseases

Bloodborne Pathogens

Oral and Respiratory Diseases

Infection Control Rationale and Regulations

Immunization

Hand Hygiene

Personal Protective Equipment

Instrument Processing

Surface and Equipment Asepsis

Dental Unit Water Asepsis and Air Quality

Laboratory and Radiographic Asepsis

Waste Management

Preventing Sharps Injuries

A Clinical Asepsis Protocol

General Office Safety and Asepsis

Greener Infection Control

Cross-Contamination Between Work and Home

About the Occupational Safety and Health Administration

Osha Inspections

Management of the Office Safety Program

Managing Chemicals Safely

Employee Fire Prevention and Emergency Action Plans

Infection Control Concerns During Remodeling or Construction

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