Infection Control, Sterilization and Dental Laws for North Carolina Dental Board Examination, 2023
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1271 Terms
All of the following are the employer's responsibility according to OSHA except:
laundering of employee uniforms off site
3 multiple choice options
A one-handed "scoop" technique is the preferred work practice control to recap the needle.
True
1 multiple choice option
What type of products are not intended for use with latex gloves due to their ability to break down the latex and compromise the effectiveness of the product?
Petroleum-based products.
3 multiple choice options
following a report of an exposure incident at the dental office, what does the employer need to do for the exposed employee?
the employer should provide the employee with a confidential medical evaluation and follow up by a qualified physician.
3 multiple choice options
After used instruments are transferred to the instrument processing area and sorted, what is the next step in the sterilization process?
Cleaning
3 multiple choice options
To practice safe handling, dental workers must be sure to do which of the following?
Use sharps containers as intended and not allow them to be overfilled
3 multiple choice options
Surface disinfection can be done by an iodophor-type cleaner. Which category is this?
Intermediate level
3 multiple choice options
All of the following are examples of mechanical instrument cleaning except:
glutaraldehyde solution.
3 multiple choice options
Under the OSHA statutes, _______________ must be informed and trained in safe handling of chemicals.
new and contract employees
3 multiple choice options
Which of the following is the correct processing protocol for dental handpieces?
Wiped off with a disinfectant and gauze and then bagged and placed in a heat sterilization machine
3 multiple choice options
What is the term used for determining if sterilized instruments are still sterile before reuse?
Event-related packaging
3 multiple choice options
A patient has neglected to inform you of the development of a latex allergy. The patient begins to develop an anaphylactic reaction during dental treatment. What should be done?
The patient needs an injection of epinephrine; call for EMS.
3 multiple choice options
Which steps must be completed once a boil-water advisory has been cancelled or lifted?
Unless otherwise directed by public officials, flush dental unit water lines for 1-5 minutes prior to use for patient care
3 multiple choice options
Which of the following is a causative factor in dental caries?
he presence of Streptococcus mutans in the mouth.
3 multiple choice options
How should the dental healthcare worker handle a contaminated impression before it is sent out to the dental laboratory?
It should be cleaned to remove any bioburden present, disinfected, rinsed, and packaged.
3 multiple choice options
Each dental practice must have a(n) _______________ designated to maintain and keep the written hazard communication standard.
staff member
3 multiple choice options
When storing dental instruments, the dental healthcare worker must avoid which of the following?
Placing the sterile packs on shelves under the sink in the sterilization area.
3 multiple choice options
Which of the following protocols must be followed to aid in the maintenance of the dental unit water lines?
They should be run for 20-30 seconds after each patient.
3 multiple choice options
What is the name of the item used to prevent the patient from swallowing or aspirating dental debris during a procedure?
Dental dam
3 multiple choice options
Operatory keyboards are best cleaned by what method?
Disinfecting with wipes containing quaternary ammonia.
3 multiple choice options
Which of the following best applies to the use of single-use or disposable devices?
They serve as a good substitute for items that are difficult to clean.
3 multiple choice options
Which of the following safety measures should be followed when working with the curing light during procedures?
The dental auxiliary should avoid looking directly at the light emitted from the curing light.
3 multiple choice options
According to the 2003 MMWR and NIOSH, which of the following is the advised protocol for a dental auxiliary to follow when assisting chairside with lasers in order to avoid the spread of infectious diseases and cross-contamination?
Follow standard precautions and use high filtration surgical masks and possibly face shields.
3 multiple choice options
When is it necessary to activate the emergency action plan, written in the Hazard Communication Standard?
In the event of a fire at the dental office.
3 multiple choice options
In order for an infection to occur, 4 conditions must be present. Which of the following does not accurately describe one of these conditions?
Any available host
3 multiple choice options
Which type of herpes virus is normally latent (does not cause disease) unless the immune system is damaged?
Cytomegalovirus.
3 multiple choice options
What is the proper way to proceed when a patient cannot tolerate the rubber dam placement due to anxiety issues during endodontic therapy?
Treatment can not be completed without the use of a rubber dam
3 multiple choice options
What is one significant difference between contact and irritant dermatitis?
Contact dermatitis is caused by an immunologic response to latex use in the office
3 multiple choice options
The OSHA Hazard Communication Standard requires all of the following EXCEPT:
Provides recommendations for what chemicals to be used in certain situations
3 multiple choice options
Which type of sterilizer involves the use of a toxic gas?
Ethylene oxide
3 multiple choice options
Kaposi's sarcoma is a cancer that causes which of the following?
Red or purple patches of abnormal skin in the mouth or throat, which contain cancer and blood cells
3 multiple choice options
What type of personal protective equipment (PPE) should be worn while assisting with a procedure that requires the use of a high-speed handpiece?
Long sleeved gown, gloves, surgical mask, or face shield
3 multiple choice options
When is biologic monitoring especially important and necessary?
For any cycle with implantable instruments.
3 multiple choice options
_________________ is the leading cause of death from infectious disease worldwide.
Tuberculosis
3 multiple choice options
What are the symptoms of nitrous oxide exposure?
Difficulty breathing, headache, drowsiness
3 multiple choice options
Which of the following are found on the hands, are permanent residents of the skin, and can't be removed with any type of hand washing or scrubbing regimen?
Resident skin flora
3 multiple choice options
When is the optimal time to receive a titer test to determine the presence of antibodies due to receiving the hepatitis B vaccine?
1-2 months after the final dose
3 multiple choice options
When a disinfectant claims to have a tuberculocidal time of 3 minutes, what does this mean?
The disinfectant can remove all of the tuberculosis bacterium and any weaker forms in 3 minutes.
3 multiple choice options
Which of the following is correct regarding the use of masks in the dental office?
The dental healthcare worker should change his mask with every patient.
3 multiple choice options
Why is hand washing necessary after gloves have been removed?
No gloves are completely impermeable and can have micro-tears.
3 multiple choice options
How should a noncritical item that is contaminated with blood be handled?
The item should be cleaned and disinfected with an intermediate-level disinfectant prior to its next use.
3 multiple choice options
The fire extinguishers in a dental practice are in compliance if maintained by what method?
They are checked and professionally serviced annually.
3 multiple choice options
Which of the following provides the best description regarding what the OSHA exposure determination is?
An employer's requirement of identifying workers with the potential of occupational exposure to blood.
3 multiple choice options
Which of the following would be the LEAST acceptable quality of an exit route in a dental office?
The quickest route out of the office
3 multiple choice options
At what temperature does a dry heat sterilizer work best, and for how long is its typical cycle?
320° F, 60-120 minutes.
3 multiple choice options
Why is a mask put on before donning of gloves?
Gloves may come in contact with hair and facial skin if they are put on first.
3 multiple choice options
Which of the following is not a chemical used in the unsaturated chemical vapor sterilization process?
Glutaraldehyde
3 multiple choice options
What is the best way to protect a patient from possible contaminants in dental unit water?
Use waterline treatments weekly
3 multiple choice options
Which of the following is an example of a parenteral transmission?
When a dental healthcare worker accidentally pokes himself with a contaminated needle.
3 multiple choice options
Under what circumstances should the dental healthcare worker use the flash cycle available on most sterilization machines?
When the items in the cycle are intended for immediate use.
3 multiple choice options
Which of the following statements is TRUE about disposable dental items?
Whenever patient items cannot be sterilized, they should be in single-use, disposable form.
3 multiple choice options
Which of the following can be described as items that touch mucous membranes in the oral cavity and need to be processed by heat sterilization and receive a high-level disinfection?
Semi-critical instruments
3 multiple choice options
Which of the following is a severe allergic reaction that may be experienced by the patient or the dental healthcare worker in response to the latex proteins that are found in latex gloves?
Latex Allergy type 1
3 multiple choice options
Which of the following is a correct statement regarding the exposure control plan that is part of the bloodborne pathogens standard?
This is a document designed to eliminate or minimize employee exposure to blood or other potentially infectious materials.
3 multiple choice options
What does the acronym SDS stand for?
Safety Data Sheet
3 multiple choice options
During an oral surgery, a dental assistant is sprayed in the face with aerosolized water and blood. What is the next step for this assistant?.
The assistant must step out of the procedure, remove her gloves, mask, and eyewear, and replace it with new PPE (personal protective equipment) before returning to the chairside.
3 multiple choice options
What is the main disadvantage to using ethylene oxide sterilization?
The gas is toxic if not handled properly
3 multiple choice options
What is the appropriate action to take when disposing of used needles in the dental office?
Handle the needles using gloves and dispose of in puncture-proof container
3 multiple choice options
What is the main reason as to why occupational infections with hepatitis B among dental healthcare workers have decreased in the past 30 years?
An increase in the number of dentists and other dental healthcare workers becoming vaccinated.
3 multiple choice options
All of the following are appropriate steps to take for protection from lasers during dental care EXCEPT for:
Standard eye protection
3 multiple choice options
What is one of the most important elements of any infection control program?
Regular review by the dentist to ensure timely updates and training
3 multiple choice options
What is the primary cause of a rubber dam's failure to prevent internal contamination?
Too large of a hole punched in relation to the size of the isolated tooth
3 multiple choice options
Which of the following terms is best defined as the colonization of bacteria, fungi, and protozoa that live inside a protective slime layer?
Biofilms
3 multiple choice options
How long must a dental employer keep the medical records of all employees?
For 30 years plus the duration of employment at the clinic.
3 multiple choice options
A dental assistant returns from the bathroom without washing hands and immediately puts on gloves. What type of disease transmission is possible?
Dental team to patient
3 multiple choice options
___________ must be provided for staff and patients, including having fume hoods in laboratory spaces.
Adequate ventilation
3 multiple choice options
When disposing of used fixer solution, which of the following statements is correct?
Used fixer solution is a type of hazardous waste and must be disposed of by a commercial company who is contracted with the dental office.
3 multiple choice options
The process of removing a bur before disassembling the handpiece from a dental unit is known as a:
work practice control
3 multiple choice options
Frequent handwashing can cause dryness of the hands or dermatitis. What is the best way to treat this during the work day?
Use of water-based lotion
3 multiple choice options
Why is the use of cloth wrapping not recommended in an unsaturated chemical vapor sterilizer?
It absorbs too much chemical vapor
3 multiple choice options
One important step in the chain of asepsis that is often overlooked is which of the following?
Pre-cleaning to reduce bioburden
3 multiple choice options
Where are bacteria most likely to be left behind when performing hand washing?
In the nail beds
3 multiple choice options
How often does the exposure control plan need to be reviewed and updated by the dental team members?
Annually
3 multiple choice options
What type of sterilization monitoring is used to determine if sterilization has actually occurred?
Biological monitoring
3 multiple choice options
During which stage of an infectious disease is the infected individual most contagious to dental healthcare workers?
Acute stage
3 multiple choice options
What is the appropriate first-aid treatment for a chemical burn?
Remove any remaining chemical and rinse the area under cool running water for 15-20 minutes
3 multiple choice options
According to the CDC, which of the following is a correct general recommendation for proper hand hygiene in the field of dentistry?
Do not wear artificial nails, as they may harbor an increased number of bacteria.
3 multiple choice options
What type of information is useful for healthcare workers in limiting exposure to potentially hazardous chemicals?
The smell, appearance, and labeling information of chemicals used in the office.
3 multiple choice options
By what method is seasonal influenza most often spread?
Drinking from another person's coffee cup
3 multiple choice options
What should the dental healthcare worker do if the outside of a biohazardous waste container becomes contaminated when items were placed inside?
Place the entire contaminated bag into a second biohazard bag and seal both bags.
3 multiple choice options
How does the use of a dental dam help to protect the dental healthcare worker against the spread of infection?
It decreases the volume of aerosols emitted by the patient into the air
3 multiple choice options
1. Work practice controls are practices or procedures that are developed to protect the dental health care provider from accidental injury from a sharp or other contaminated item.
2. It defines the proper way to perform certain tasks:
a. the removal of burs before the dental handpiece is taken apart for cleaning and sterilizing
b. how to handle needles, scalers, utility knives, and other sharp instruments safely.
c. prohibit the use of fingers for tissue retraction or when performing sutures.
d. handling dirty laundry and for cleaning contaminated surfaces are covered under work practice controls.
True
1 multiple choice option
After giving an anesthetic to the patient, she begins to sweat and says that her heart is beating fast. You notice that she has red blotches on her arms. What type of medical situation is likely to be occurring?
An allergic reaction
3 multiple choice options
A patient has a latex allergy. What should the dental assistant do for hand protection?
Wear a pair of gloves made out of nitrile or polyvinyl chloride materials
3 multiple choice options
Which of the following statements is incorrect regarding hand washing and gloving in the dental office?
The dental healthcare worker may use liquid soap or bar soap to wash hands prior to a general restorative procedure.
3 multiple choice options
Which of the following would NOT be an appropriate action for cleaning up a mercury spill?
Using a vacuum to pick up the mercury droplets
3 multiple choice options
Which of the following would NOT be considered a work practice control?
Recapping a needle using a two-handed technique
3 multiple choice options
Which of the following methods of sterilization monitoring can best ensure the dental healthcare team that the sterilization machine is working properly?
Biological monitoring.
3 multiple choice options
When should the dental healthcare worker wear utility gloves?
When processing dental instruments.
3 multiple choice options
According to the hazard communication standard, when should employees have training on hazardous chemicals in the workplace?
At initial employment.
3 multiple choice options
What type of system is used for storing clean and sterile instruments for use in specific dental procedures such as a restoration?
Preset tray system
3 multiple choice options
Glutaraldehyde is never to be used as surface disinfectant because:
it is an irritant to the skin, eyes, and lungs
3 multiple choice options
How is tuberculosis transmitted?
Airborne transmission
3 multiple choice options
When disposing of regulated waste, what set of regulations must be followed?
Whatever set of regulations is the most stringent
3 multiple choice options
Dental workers are exposed to which of the following at a much higher rate than the general public?
Legionella.
3 multiple choice options
The term engineering controls refers to all of the following except:
All types of syringes
3 multiple choice options
During a procedure, what item should be ready to easily prevent cross contamination when additional gauze squares are needed?
A sterile cotton forceps
3 multiple choice options
What is the best prevention for hepatitis E transmission?
Ensuring safe drinking water.
3 multiple choice options
Hard surfaces within ________________ from the patient chair must be disinfected.
3 feet
3 multiple choice options
A(n)_________________ infection is one that occurs and reoccurs in a cycle of symptoms that appear and disappear in the patient.
latent
3 multiple choice options
Note 
Flashcards (86)