Deck 4: General Handling and Safety of Dental Materials in the Dental Office

Question 1

The chemical training program for employees must include which of the following?
1)The use of hazardous chemicals
2)Methods of production of chemicals
3)All safety practices,including all warnings
4)Required personal protection devices
5)Safe handling and disposal methods

A) 1,2,3,4,5
B) 1,2,3,4
C) 1,3,4,5
D) 1,3,4

Answer 1

1,3,4,5

Question 2

Which of the following is a symptom of acute chemical toxicity?

A) Cancer
B) Neurologic defects
C) Nausea
D) Infertility

Answer 2

Nausea

Question 3

A substance is defined as being corrosive if the pH is less than _____ or greater than 12.5.

A) 1.0
B) 2.0
C) 5.0
D) 7.0

Answer 3

2.0

Question 4

When would one wear a rubber or neoprene apron?

A) Assisting with treatment of all dental patients
B) Mixing or pouring chemicals that are caustic
C) Assisting with acids used for bonding procedures
D) Grinding partial denture frameworks containing beryllium

Question 5

Which of the following is recommended to help manage the patient's airway during dental procedures?

A) Having the patient use a pre-procedural mouth rinse
B) Having the patient sit up completely forward in the dental chair
C) Frequently turning the patient's head to the side during the procedure
D) Using high-velocity evacuation (HVE)and a rubber dam whenever possible

Question 6

Which of the following are considered to be personal protective equipment (PPE)?

A) Protective shields on model trimmers and on collection bins for lathes
B) Dust or surgical masks,eyewear,gowns,and hair coverings or tiebacks when appropriate
C) Surface and immersion disinfectants
D) Plastic wraps and covers

Question 7

Which of the following is essential to prevent severe injury if phosphoric,hydrofluoric,or hydrochloric acid is splashed on the skin,eyes,or clothing during manipulation of various dental materials?

A) Calling 911
B) Flushing with water
C) Placing an ointment and a bandage over the affected area
D) Use of a National Institute of Occupational Safety and Health (NIOSH)-approved dust and mist respirator facemask

Question 8

A basic "safe" policy for the storage of dental medications and chemicals is to keep them in a _____,dark place where they are not exposed to direct sunlight.

A) wet,warm
B) wet,cool
C) dry,warm
D) dry,cool

Question 9

What does SDS stand for?

A) Safety Data Sheet
B) Serving Dental Systems
C) System of Dental Services
D) Serving Dental Structures

Question 10

Which part of the chemical hazard communication program must describe how chemicals are handled in the workplace?

A) Written program
B) Employee training
C) Chemical inventory
D) Labeling of containers

Question 11

Which of the following is true concerning the labeling of chemicals in the dental office?

A) All chemicals in the dental office must be labeled.
B) There is an official labeling system that must be used.
C) When a chemical is transferred to a different container,the new container does not require labeling.
D) A photocopy of the label from an original container affixed to a new container is not acceptable.

Question 12

Which particulates are smaller than 5 microns?

A) Dust
B) Mold
C) Splatter
D) Aerosols

Question 13

Which color of the National Fire Protection Association (NFPA)labeling system denotes reactivity?

A) Blue
B) Red
C) Yellow
D) White

Question 14

If eyes are exposed to acids used during manipulation of various dental materials,how long is it recommended for the exposed individual to use the nearest eye wash station and flush the eyes with water?

A) 1 minute
B) 5 minutes
C) 10 minutes
D) 15 minutes

Question 15

Who has the responsibility of assessing hazardous chemicals and then passing the information to consumers?

A) Occupational Safety and Health Administration
B) Organization for Safety and Asepsis Procedures
C) Centers for Disease Control and Prevention
D) Chemical manufacturers

Question 16

Acute chemical toxicity results from _____ levels of exposure over a _____ period of time.

A) high;long
B) high;short
C) low;long
D) low;short

Question 17

A hazardous chemical is any substance that what?
1)Can catch fire
2)Can react or explode when mixed with other substances
3)Is corrosive or toxic
4)May cause infection or disease

A) 1,2,3,4
B) 1,2,3
C) 2,3,4
D) 1,3

Question 18

Staff training for a hazard communication program is required once _____ for all continuing employees.

A) a month
B) a year
C) every 3 years
D) every 5 years

Question 19

Which of the following is true for control of a mercury spill?

A) Mercury spill kits are required only for offices that use free rather than precapsulated mercury;thus mercury spill kits do not have to be available in all dental offices that use amalgam for restorations.
B) Mercury can be absorbed through the skin,but as a metal it is very dense,and there is no risk of inhalation of mercury vapors.
C) The spill kit for small amounts of mercury should contain a handheld vacuum cleaner.
D) A mask and utility-type gloves should be worn whenever cleaning a mercury spill.

Question 20

Which of the following statements is true regarding hand protection when handling chemicals?

A) Latex gloves worn during patient care provide adequate protection for handling chemicals.
B) When exposed to chemical disinfectants,the latex in gloves degrades and can actually pull contaminants and chemicals through the gloves and onto the hands.
C) Nitrile gloves are not recommended for wear when handling chemicals.
D) It is impossible to develop a reaction to the latex products of gloves.

Question 21

Of the following phrases,which is not associated with employee training practices?

A) When a new employee is hired
B) When a new chemical product is added
C) Once a year for all continuing employees
D) When scheduled by the manufacturer's representative

Question 22

Cross-contamination from dental materials can be kept to a minimum by doing what?

A) Following bloodborne pathogen recommendations
B) Using universal precautions
C) Both are correct.

Question 23

Chemical-resistant gloves are necessary when working with chemicals.Of the following,which would be chemical resistant?

A) Vinyl
B) Latex
C) Nitrile

Question 24

Through which medium is dust generated and inhaled?

A) Living mist
B) Bio-aerosol
C) Infectious waste
D) Particulate matter

Question 25

Match the items with the correct description below.
Toxic

A)The substance is either highly acidic or basic with a pH less than 2.0 or greater than 12.5.
B)The substance contains amounts of arsenic,barium,chromium,mercury,lead,silver,or certain pesticides.
C)The substance is flammable or combustible.
D)The substance is chemically unstable or explosive,reacts violently with water,or is capable of giving off toxic fumes when mixed with water.

Question 26

What would a mercury spill kit include?

A) 2 × 2 gauze
B) Vinyl gloves
C) A special brush
D) Absorbent powder

Question 27

If a staff member is splashed in the face with a caustic chemical and some goes into the eye,what should he or she do?

A) Flush eyes at the eye wash station.
B) Wash eyes with soap and water.
C) Wipe eyes with a damp cloth.
D) Shower immediately.

Question 28

Which of the following would not be considered part of the PPE for laboratory purposes?

A) Gloves
B) Rubber dam
C) Safety glasses
D) Respirator mask

Question 29

Materials that are transferred from larger containers to smaller containers must be labeled using what?

A) A photo of the original label
B) A specially made secondary label
C) Secondary labeling is not necessary.
D) Either a or b

Question 30

Match the items with the correct description below.
Corrosive

A)The substance is either highly acidic or basic with a pH less than 2.0 or greater than 12.5.
B)The substance contains amounts of arsenic,barium,chromium,mercury,lead,silver,or certain pesticides.
C)The substance is flammable or combustible.
D)The substance is chemically unstable or explosive,reacts violently with water,or is capable of giving off toxic fumes when mixed with water.

Question 31

How are large splatter particulates classified?

A) Smaller than 30 microns
B) Smaller than 50 microns
C) Larger than 30 microns
D) Larger than 50 microns

Question 32

What is the purpose of the Safety Data Sheets (SDSs)?

A) Provide information regarding the manufacturer
B) Provide instructions for product use
C) Provide instructions in case of spill
D) All of the above

Question 33

Match the items with the correct description below.
Reactive

A)The substance is either highly acidic or basic with a pH less than 2.0 or greater than 12.5.
B)The substance contains amounts of arsenic,barium,chromium,mercury,lead,silver,or certain pesticides.
C)The substance is flammable or combustible.
D)The substance is chemically unstable or explosive,reacts violently with water,or is capable of giving off toxic fumes when mixed with water.

Question 34

Who provides SDSs?

A) OSHA
B) The doctor
C) The manufacturer
D) The dental supply house

Question 35

Exposure to chemicals over a prolonged period of time is _____ exposure.

A) chronic
B) acute
C) latent

Question 36

Match the items with the correct description below.
Ignitable

A)The substance is either highly acidic or basic with a pH less than 2.0 or greater than 12.5.
B)The substance contains amounts of arsenic,barium,chromium,mercury,lead,silver,or certain pesticides.
C)The substance is flammable or combustible.
D)The substance is chemically unstable or explosive,reacts violently with water,or is capable of giving off toxic fumes when mixed with water.

Question 37

What are the four components of the chemical training program for employees?