Deck 4: General Handling and Safety

Question 1

MSDS stands for:

A) Modern System of Dental Services
B) Material Safety Data Sheet
C) Materials Serving Dental Systems
D) Manufacturer Serving Dental Structures

Answer 1

Material Safety Data Sheet

Question 2

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

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

Answer 2

Written program

Question 3

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 glove 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 the gloves.

Answer 3

When exposed to chemical disinfectants, the latex in gloves degrades and can actually pull contaminants and chemicals through the glove and onto the hands.

Question 4

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 pre-capsulated 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 5

A rubber or neoprene apron should be worn when:

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 6

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 7

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

A) 10 seconds
B) 60 seconds
C) 2 minutes
D) 5 minutes

Question 8

It is the responsibility of the ____________________ to assess the hazards of products produced by the chemical manufacturers and pass this information on to consumers.

A) Occupational Safety and Health Administration (OSHA)
B) Centers for Disease Control and Prevention (CDC)
C) Organization for Safety and Asepsis Procedures (OSAP)
D) chemical manufacturers

Question 9

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

A) Flushing with water
B) Calling 911
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 10

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

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

Question 11

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

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

Question 12

Particulates smaller than 5 microns are:

A) splatter
B) aerosols
C) dust
D) mold

Question 13

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

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

Question 14

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

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

Question 15

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 16

When dust is generated and inhaled, it is referred to as:

A) bio-aerosol
B) particulate matter
C) infectious waste
D) living mist

Question 17

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 covering or tieback when appropriate
C) Surface and immersion disinfectants
D) Plastic wraps and covers

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 a symptom of acute chemical toxicity?

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

Question 20

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

Question 21

The purpose of the Material Safety Data Sheets is to:

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 22

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 23

Large splatter particulates are classified as:

A) Smaller than 3 microns
B) Smaller than 5 microns
C) Larger than 3 microns
D) Larger than 5 microns

Question 24

A mercury spill kit would include:

A) special brush
B) vinyl gloves
C) absorbent powder
D) 2 * 2 gauze

Question 25

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

Question 26

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

A) chronic
B) acute
C) latent

Question 27

MSDSs are provided by:

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

Question 28

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

A) Vinyl
B) Latex
C) Nitrile

Question 29

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

A) wash with soap and water
B) wipe with a damp cloth
C) shower immediately
D) flush at the eye wash station

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

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

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

Question 32

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 33

Cross-contamination from dental materials can be kept to a minimum by:

A) following bloodborne pathogen recommendations
B) using universal precautions
C) Both are correct.

Question 34

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 35

Materials that are transferred from larger containers to smaller container must be labeled using:

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