Question 1

When a surface has been covered with a barrier,it:

Accepted Answer

A) does not need to be cleaned and disinfected. 
B) should still be cleaned and disinfected at the beginning of the workday. 
C) should still be cleaned and disinfected at the end of the workday. 
D) should still be cleaned and disinfected at the beginning and end of each workday. 
A) does not need to be cleaned and disinfected. 
B) should still be cleaned and disinfected at the beginning of the workday. 
C) should still be cleaned and disinfected at the end of the workday. 
D) should still be cleaned and disinfected at the beginning and end of each workday.

Question 2

Instability,daily preparation,strong odor,and corrosion are some of the disadvantages of:

Accepted Answer

A) halogens. 
B) iodophors. 
C) complex phenols. 
D) sodium hypochlorite. 
A) halogens. 
B) iodophors. 
C) complex phenols. 
D) sodium hypochlorite.

Question 3

To effectively clean and disinfect dental treatment rooms:

Accepted Answer

A) latex examination gloves should be used. 
B) the surface should remain moist for the manufacturer's recommended time for fungicidal action, usually a minute. 
C) the surface should remain moist for the manufacturer's recommended time for fungicidal action, usually 10 minutes. 
D) the surface should remain moist for the manufacturer's recommended time for tuberculocidal action, usually 10 minutes. 
A) latex examination gloves should be used. 
B) the surface should remain moist for the manufacturer's recommended time for fungicidal action, usually a minute. 
C) the surface should remain moist for the manufacturer's recommended time for fungicidal action, usually 10 minutes. 
D) the surface should remain moist for the manufacturer's recommended time for tuberculocidal action, usually 10 minutes.

Question 4

Disinfectants used in dentistry must:

Accepted Answer

A) be registered with the Environmental Protection Agency (EP
A) . 
B) be registered as hospital disinfectants with tuberculocidal claims. 
C) kill all spores. 
D) both a and b. 
A) be registered with the Environmental Protection Agency (EP
A) . 
B) be registered as hospital disinfectants with tuberculocidal claims. 
C) kill all spores. 
D) both a and b.

Question 5

Which item is not single-use-only?

Accepted Answer

A) Patient napkins 
B) Plastic orthodontic brackets 
C) Impression trays 
D) Irrigating syringes 
A) Patient napkins 
B) Plastic orthodontic brackets 
C) Impression trays 
D) Irrigating syringes

Question 6

Which environmental surfaces must be cleaned and decontaminated more rigorously than the others?

Accepted Answer

A) Housekeeping surfaces 
B) Clinical contact surfaces 
C) Floors and walls 
D) Sinks 
A) Housekeeping surfaces 
B) Clinical contact surfaces 
C) Floors and walls 
D) Sinks

Question 7

Under the CDC Guidelines for Infection Control in Dental Healthcare Settings-2003,housekeeping surfaces include:

Accepted Answer

A) floors. 
B) walls. 
C) sinks. 
D) all of the above. 
A) floors. 
B) walls. 
C) sinks. 
D) all of the above.

Question 8

Acceptable types of barriers include:

Accepted Answer

A) clear plastic wrap. 
B) plastic bags. 
C) tubing and plastic-backed paper. 
D) all of the above. 
A) clear plastic wrap. 
B) plastic bags. 
C) tubing and plastic-backed paper. 
D) all of the above.

Question 9

Housekeeping surfaces:

Accepted Answer

A) include floors and walls, but not sinks, because they are considered a clinical contact surface. 
B) pose a risk for disease transmission in the dental healthcare setting. 
C) must be cleaned with a high-level disinfectant/sterilant. 
D) only need to be cleaned with a detergent or low-level disinfectant. 
A) include floors and walls, but not sinks, because they are considered a clinical contact surface. 
B) pose a risk for disease transmission in the dental healthcare setting. 
C) must be cleaned with a high-level disinfectant/sterilant. 
D) only need to be cleaned with a detergent or low-level disinfectant.

Question 10

Carpeting:

Accepted Answer

A) is as easy to clean as nonporous hard-surface flooring. 
B) can be reliably disinfected. 
C) harbors bacteria but not fungi. 
D) harbors both bacteria and fungi. 
A) is as easy to clean as nonporous hard-surface flooring. 
B) can be reliably disinfected. 
C) harbors bacteria but not fungi. 
D) harbors both bacteria and fungi.

Question 11

The time for sterilization with an immersion disinfectant ranges from _____ hours to 30 hours.

Accepted Answer

A) 2 
B) 6 
C) 12 
D) 24 
A) 2 
B) 6 
C) 12 
D) 24

Question 12

Current infection control guidelines of the Organization for Safety and Asepsis Procedures (OSAP) consider instrument trays to be _____ surfaces.

Accepted Answer

A) touch 
B) transfer 
C) splash 
D) droplet 
A) touch 
B) transfer 
C) splash 
D) droplet

Question 13

Surface barriers:

Accepted Answer

A) should be removed and discarded between patients following removal of gloves. 
B) should be removed and discarded between patients while you are still gloved. 
C) should be disinfected using the spray-wipe-spray technique. 
D) eliminate the need to clean and disinfect surfaces at the beginning and end of each workday. 
A) should be removed and discarded between patients following removal of gloves. 
B) should be removed and discarded between patients while you are still gloved. 
C) should be disinfected using the spray-wipe-spray technique. 
D) eliminate the need to clean and disinfect surfaces at the beginning and end of each workday.

Question 14

The high-level disinfectant with very little odor that does not require activation or mixing is:

Accepted Answer

A) chlorine dioxide. 
B) glutaraldehyde. 
C) ortho-phthalaldehyde (OP
A) . 
D) sodium hypochlorite. 
A) chlorine dioxide. 
B) glutaraldehyde. 
C) ortho-phthalaldehyde (OP
A) . 
D) sodium hypochlorite.

Question 15

To understand the difference between disinfection and sterilization,we know that disinfection is:

Accepted Answer

A) intended to kill disease-causing microorganisms remaining on surfaces after pre-cleaning. 
B) the process in which all microorganisms are destroyed. 
C) accomplished by using water as a disinfectant. 
D) both a and b. 
A) intended to kill disease-causing microorganisms remaining on surfaces after pre-cleaning. 
B) the process in which all microorganisms are destroyed. 
C) accomplished by using water as a disinfectant. 
D) both a and b.

Question 16

The method to deal with surface contamination is:

Accepted Answer

A) using a surface barrier to prevent the surface from becoming contaminated. 
B) precleaning and disinfecting the surface between patients. 
C) wiping the surface with alcohol. 
D) both a and b. 
A) using a surface barrier to prevent the surface from becoming contaminated. 
B) precleaning and disinfecting the surface between patients. 
C) wiping the surface with alcohol. 
D) both a and b.

Question 17

A product capable of killing some viruses should be labeled:

Accepted Answer

A) fungicidal. 
B) sporicidal. 
C) tuberculocidal. 
D) virucidal. 
A) fungicidal. 
B) sporicidal. 
C) tuberculocidal. 
D) virucidal.

Question 18

If the surface below the barrier is inadvertently touched when removing a contaminated barrier,you:

Accepted Answer

A) do not have to clean and disinfect the surface. 
B) will have to clean and disinfect that surface. 
C) will have to clean and disinfect all treatment room surfaces. 
D) should place a double layer of protective material. 
A) do not have to clean and disinfect the surface. 
B) will have to clean and disinfect that surface. 
C) will have to clean and disinfect all treatment room surfaces. 
D) should place a double layer of protective material.

Exam 20: Principles and Techniques of Disinfection

When a surface has been covered with a barrier,it:

Instability,daily preparation,strong odor,and corrosion are some of the disadvantages of:

To effectively clean and disinfect dental treatment rooms:

Disinfectants used in dentistry must:

Which item is not single-use-only?

Which environmental surfaces must be cleaned and decontaminated more rigorously than the others?

Under the CDC Guidelines for Infection Control in Dental Healthcare Settings-2003,housekeeping surfaces include:

Acceptable types of barriers include:

Housekeeping surfaces:

Carpeting:

The time for sterilization with an immersion disinfectant ranges from _____ hours to 30 hours.

Current infection control guidelines of the Organization for Safety and Asepsis Procedures (OSAP) consider instrument trays to be _____ surfaces.

Surface barriers:

The high-level disinfectant with very little odor that does not require activation or mixing is:

To understand the difference between disinfection and sterilization,we know that disinfection is:

The method to deal with surface contamination is:

A product capable of killing some viruses should be labeled:

If the surface below the barrier is inadvertently touched when removing a contaminated barrier,you:

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 Instrument Processing and Sterilization

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

Communication in the Dental Office

Business Operating Systems