Question 1

Which of the following is false about handling extracted teeth?

Accepted Answer

A) Extracted teeth are considered potentially infectious. 
B) Extracted teeth containing amalgam restorations should be heat-sterilized in order to prevent the release of mercury vapors. 
C) Extracted teeth are regulated waste. 
D) Extracted teeth can be heat sterilized for educational purposes. 
A) Extracted teeth are considered potentially infectious. 
B) Extracted teeth containing amalgam restorations should be heat-sterilized in order to prevent the release of mercury vapors. 
C) Extracted teeth are regulated waste. 
D) Extracted teeth can be heat sterilized for educational purposes. B

Question 2

The written program portion of the Hazard Communication Program:

Accepted Answer

A) must identify all the employers in the office who are exposed to hazardous chemicals. 
B) describes how to respond to chemical emergencies. 
C) is not a requirement for an office employing fewer than 15 employees. 
D) describes employer, but not staff, training. 
A) must identify all the employers in the office who are exposed to hazardous chemicals. 
B) describes how to respond to chemical emergencies. 
C) is not a requirement for an office employing fewer than 15 employees. 
D) describes employer, but not staff, training. B

Question 3

Which of the following is the classification of waste that is infectious and requires special handling,neutralization,and disposal?

Accepted Answer

A) Contaminated 
B) Hazardous 
C) Regulated 
D) Nonregulated 
A) Contaminated 
B) Hazardous 
C) Regulated 
D) Nonregulated C

Question 4

Good ventilation is necessary when dealing with any type of chemical.Which area of the dental office would not require special ventilation?

Accepted Answer

A) Laboratory 
B) Sterilization areas 
C) Darkrooms 
D) Reception area 
A) Laboratory 
B) Sterilization areas 
C) Darkrooms 
D) Reception area

Question 5

Inhalation of gases,vapors,or dusts is one of the primary methods of chemical exposure.It can cause direct damage to the lungs,but also can be absorbed and then sent through the blood to other organs.Which of the following organs can be affected?

Accepted Answer

A) Heart, brain, and thyroid gland 
B) Kidneys, brain, and liver 
C) Brain, heart, and stomach 
D) Heart, brain, and bladder 
A) Heart, brain, and thyroid gland 
B) Kidneys, brain, and liver 
C) Brain, heart, and stomach 
D) Heart, brain, and bladder

Question 6

Which of the following is not considered a regulated waste?

Accepted Answer

A) Blood-soaked gauze 
B) Human tissue 
C) Saliva-soaked gauze 
D) Scalpel blade 
A) Blood-soaked gauze 
B) Human tissue 
C) Saliva-soaked gauze 
D) Scalpel blade

Question 7

In the NFPA (National Fire Protection Association) labeling system the color yellow indicates:

Accepted Answer

A) health hazard. 
B) reactivity. 
C) flammability. 
D) special health hazards. 
A) health hazard. 
B) reactivity. 
C) flammability. 
D) special health hazards.

Question 8

The written program of the Hazard Communication Program must include all of the following except:

Accepted Answer

A) name of all employees who are exposed to hazardous chemicals. 
B) identify the individual responsible for the program. 
C) employee phone numbers. 
D) description of staff training. 
A) name of all employees who are exposed to hazardous chemicals. 
B) identify the individual responsible for the program. 
C) employee phone numbers. 
D) description of staff training.

Question 9

Radiographic fixer is considered a hazardous waste because it has a high _____ content.

Accepted Answer

A) silver 
B) mercury 
C) lead 
D) acid 
A) silver 
B) mercury 
C) lead 
D) acid

Question 10

In what section of an MSDS would the information include how the product will look and smell as well as some of its physical characteristics?

Accepted Answer

A) Section V-Health hazard data 
B) Section VI-Reactivity data 
C) Section I-Product information 
D) Section III-Physical hazard data 
A) Section V-Health hazard data 
B) Section VI-Reactivity data 
C) Section I-Product information 
D) Section III-Physical hazard data

Question 11

Which of the following products does not require listing on the chemical inventory?

Accepted Answer

A) Dental film 
B) Phosphoric acid etch 
C) Amalgam 
D) Composite 
A) Dental film 
B) Phosphoric acid etch 
C) Amalgam 
D) Composite

Question 12

Which of the following would not be included in the Hazard Communication Program?

Accepted Answer

A) MSDSs for every chemical 
B) Inventory of hazardous chemicals 
C) Supply list 
D) Employee training 
A) MSDSs for every chemical 
B) Inventory of hazardous chemicals 
C) Supply list 
D) Employee training

Question 13

When using chemicals,dental assistants must wear:

Accepted Answer

A) utility gloves, mask, and eye protection. 
B) latex gloves, eye protection, and mask. 
C) overgloves and eye protection only. 
D) mask and eye protection only. 
A) utility gloves, mask, and eye protection. 
B) latex gloves, eye protection, and mask. 
C) overgloves and eye protection only. 
D) mask and eye protection only.

Question 14

Which of the following is a form of toxicity that can be caused by chronic benzene exposure?

Accepted Answer

A) Headache 
B) Dizziness 
C) Unconsciousness 
D) Leukemia 
A) Headache 
B) Dizziness 
C) Unconsciousness 
D) Leukemia

Question 15

Which of the following defines toxicity resulting from high levels of exposure over a short period of time?

Accepted Answer

A) Chronic chemical toxicity 
B) Acute chemical toxicity 
C) Chemical exposure toxicity 
D) None of the above 
A) Chronic chemical toxicity 
B) Acute chemical toxicity 
C) Chemical exposure toxicity 
D) None of the above

Question 16

Any chemical that can cause either a physical or health hazard is:

Accepted Answer

A) a hazardous chemical. 
B) corrosive. 
C) toxic. 
D) poisonous if swallowed. 
A) a hazardous chemical. 
B) corrosive. 
C) toxic. 
D) poisonous if swallowed.

Question 17

According to OSHA,how often do eyewash stations need to be inspected to ensure proper function?

Accepted Answer

A) Daily 
B) Weekly 
C) Monthly 
D) Not required by OSHA 
A) Daily 
B) Weekly 
C) Monthly 
D) Not required by OSHA

Question 18

Wastes are classified as hazardous if they are:

Accepted Answer

A) ignitable. 
B) ingestible. 
C) ultrasonic. 
D) plastic. 
A) ignitable. 
B) ingestible. 
C) ultrasonic. 
D) plastic.

Question 19

Which government agency enforces the disposal of regulated waste?

Accepted Answer

A) OSHA 
B) The EPA 
C) The CDC 
D) The FDA 
A) OSHA 
B) The EPA 
C) The CDC 
D) The FDA

Question 20

Used radiographic fixer:

Accepted Answer

A) should be flushed down the toilet. 
B) requires offsite treatment. 
C) may be managed on site with installation of a silver recovery system. 
D) is nonhazardous; however, used radiographic developer is hazardous. 
A) should be flushed down the toilet. 
B) requires offsite treatment. 
C) may be managed on site with installation of a silver recovery system. 
D) is nonhazardous; however, used radiographic developer is hazardous.

Exam 23: Chemical and Waste Management

Which of the following is false about handling extracted teeth?

The written program portion of the Hazard Communication Program:

Which of the following is the classification of waste that is infectious and requires special handling,neutralization,and disposal?

Good ventilation is necessary when dealing with any type of chemical.Which area of the dental office would not require special ventilation?

Inhalation of gases,vapors,or dusts is one of the primary methods of chemical exposure.It can cause direct damage to the lungs,but also can be absorbed and then sent through the blood to other organs.Which of the following organs can be affected?

Which of the following is not considered a regulated waste?

In the NFPA (National Fire Protection Association) labeling system the color yellow indicates:

The written program of the Hazard Communication Program must include all of the following except:

Radiographic fixer is considered a hazardous waste because it has a high _____ content.

In what section of an MSDS would the information include how the product will look and smell as well as some of its physical characteristics?

Which of the following products does not require listing on the chemical inventory?

Which of the following would not be included in the Hazard Communication Program?

When using chemicals,dental assistants must wear:

Which of the following is a form of toxicity that can be caused by chronic benzene exposure?

Which of the following defines toxicity resulting from high levels of exposure over a short period of time?

Any chemical that can cause either a physical or health hazard is:

According to OSHA,how often do eyewash stations need to be inspected to ensure proper function?

Wastes are classified as hazardous if they are:

Which government agency enforces the disposal of regulated waste?

Used radiographic fixer:

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

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

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