Question 1

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

Question 2

Wastes are classified as hazardous if they are:

Accepted Answer

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

Question 3

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.

Question 4

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

Question 5

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. B

Question 6

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

Question 7

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.

Question 8

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

Question 9

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. B

Question 10

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

Question 11

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

Question 12

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.

Question 13

Which government agency enforces the disposal of regulated waste?

Accepted Answer

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

Question 14

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.

Question 15

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

Question 16

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 C

Question 17

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

Accepted Answer

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

Question 18

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

Question 19

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

Question 20

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.

Exam 23: Chemical and Waste Management

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?

Correct AnswerverifiedShow Answer

Wastes are classified as hazardous if they are:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The written program portion of the Hazard Communication Program:

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

When using chemicals,dental assistants must wear:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is false about handling extracted teeth?

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which government agency enforces the disposal of regulated waste?

Correct AnswerverifiedShow Answer

Used radiographic fixer:

Correct AnswerverifiedShow Answer

Which of the following is not considered a regulated waste?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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B

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B

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C

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