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DANB Question > Infection Control > Flashcards

Infection Control Flashcards

1
Q

The most important infection control law in dentistry is OSHA’s?

A

Bloodborne Pathogens Standard

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2
Q

A contaminated dental chart exemplifies which mode of disease transmission?

A

Indirect contact: Indirect transmission occurs when microorganisms are first transmitted to an object or surface, then transferred to another person or whoever touches the object.

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3
Q

How often should spore testing of sterilizers be executed?

A

Once a week

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4
Q

Which are killed during sterilization?

A

Viruses, Spores, Fungi, Bacteria.

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5
Q

In which method of sterilization can instruments be processed wet?

A

Steam autoclave

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6
Q

Which is Not a component of hazard communication training?

A

Collecting waivers for hepatitis B vaccinations

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7
Q

The written exposure control plan must be reviewed and updated?

A

Annually

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8
Q

OSHA requires the use of Standard Precautions for?

A

All patients

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9
Q

Which is Not infectious or regulated waste?

A

X-ray wrappers

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10
Q

Which are Not killed or inactivated by intermediate-level disinfection?

A

Spores

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11
Q

Protective eyewear should have?

A

Side shields

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12
Q

Which can kill bacterial spores, turberculosis, and viruses?

A

High-level disinfectant

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13
Q

The CDC recommends biological of sterilization equipment at which interval?

A

Weekly

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14
Q

Replace plastic light handle covers?

A

After every patients

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15
Q

If you opt not to receive a hepatitis B vaccination and have signed a waiver to this effect, you have the right to?

A

Change your mind and the employer is required to provide the vaccination

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16
Q

Gloves are required to handle each item, Except one. Which is the EXCEPTION?

A

Laboratory prescriptions

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17
Q

The record of each infection control training session does Not required which detail?

A

Training test scores

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18
Q

Which protects the gingival tissue during laser bleaching?

A

Resin-based, light-curable barrier

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19
Q

The hepatitis B (HBV) vaccination must be?

A

Offered free by the employer

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20
Q

Protective clothing

A

Must prevent mucous membrane exposure to blood and other body fluids

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21
Q

Which item of personal protective equipment (PPE) is donned last?

A

Gloves

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22
Q

Before depositing a contaminated needle in a sharps container, the assistant?

A

Recaps it

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23
Q

Packaging instrument prior to sterilization?

A

maintains instrument sterility after processing

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24
Q

Which statements is Not true?

A

Overgloves are acceptable alone, as a hand barrier, in nonsurgical procedures

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25
Q

The main source of infectious microorganisms in a dental office is ?

A

Patients’ mouths

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26
Q

Which disinfectant tends to produce yellow staining?

A

Iodophor

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27
Q

Which is Not a recognized regulated medical waste?

A

Used PPE

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28
Q

Who determines the hazards of a chemical?

A

Manufacturer

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29
Q

A chemical spill victim with immediate symptoms of dizziness, headache, nausea,and vomiting is experiencing?

A

Acute chemical toxicity

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30
Q

Which is required for correct disposal of used orthodontic wire?

A

Sharps container

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31
Q

Which is true of latex or vinyl gloves?

A

Non Sterile gloves are recommended for examinations and nonsurgical procedures

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32
Q

Which agency regulations apply to the handling of waste in the dental office?

A

Environmental Protection Agency (EPA)

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33
Q

Without proper eye protection, curing light exposure may damage the?

A

Retina

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34
Q

The intent of handwashing is to remove?

A

Transient florae

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35
Q

Disease is transmitted through which means?

A

Person-to-person contact

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36
Q

Utility gloves are worn when?

A

Disinfecting the treatment room

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37
Q

The goal of an infection control program is to prevent disease transmission form?

A

Patient to patient, Staff to patient, and Patient to staff.

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38
Q

OSHA does Not mandate the training of dental personnel in which area?

A

Specialty safety standards

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39
Q

Dental unit waterline are flushed for?

A

Several minutes each morning and for 20 to 30 seconds between patients

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40
Q

Which does Not minimize the amount of dental aerosols and spatter generated during treatment?

A

Preprocedural mouth rinse

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41
Q

Which is Not a clinical contact surface?

A

Operatory wall

42
Q

A sharps container is an example of which?

A

Engineering control

43
Q

Which gloves are recommended to assist the placement of an amalgam?

A

Sterile surgical

44
Q

Which is Not appropriate post exposure protocol?

A

The employee may opt for medical evaluation but must assume the cost

45
Q

Dental professionals are to use surgical masks and protective eyewear?

A

Whenever spatter and aerosolized sprays of blood and saliva are likely.

46
Q

Which have the highest operating temperature and longest cycle time?

A

Dry heat sterilizers: Dry heat sterilization requires 60 to 120 minutes of processing at a temperature of 320 f (160 c)

47
Q

When do you need to change your protective clothing?

A

When visibly soiled

48
Q

Which face mask is optimal for pouring or mixing chemicals?

A

Mist respirator: A mist respirator face mask is optimal for pouring or mixing chemicals.

49
Q

Gloves are a principal component of which infection control practice?

A

Protective attire and barrier techniques

50
Q

OSHA inspections may occur randomly in an office with?

A

11 or more employees : OSHA dental inspections also occur at the request of the dentist or when an employee or patient files a complaint.

51
Q

Which best describes the purpose of holding (presoaking ) instruments prior to cleaning ?

A

Make cleaning easier: Pre Soaking makes cleaning easier by removing the bioburden on the instrument.

52
Q

An employee who voluntarily forgoes the hepatitis B vaccination is required to sign a(n)?

A

Informed refusal that is kept on the file in the dental office?: A signed informed refusal is kept on file for any employee who voluntarily declines the HBV vaccination.

53
Q

Recording the highest temperature reached during a sterilization cycle is an example of ?

A

Physical Monitoring

54
Q

Which glove is Not chemical-resistant ?

A

Latex- :Latex gloves are not chemical-resistant

55
Q

Which waste product is hazardous?

A

Spent fixer solution : it poses a risk to humans and the environment.

56
Q

When using an ultrasonic cleaner, which is correct procedure?

A

Use a basket for loose instrument: Manufacturers of ultrasonic cleaners recommend using a basket for loose instruments.

57
Q

Which is an example of regulated medical waste ?

A

Used anesthetic needles: they required special handling , neutralization, and disposal.

58
Q

Biofilm in a dental unit waterline exemplifies which type of disease transmission?

A

Community to dental office to patient: biofilm in a dental unit waterline spreads disease from the community through the municipal water that supplies the dental office ?

59
Q

A single container of alcohol-based hand rub solution in a dental treatment room can contain up to?

A

2L. :The American Society of Healthcare Engineering has issued a set of rules that include the placement of alcohol-based hand rubs. One of these rules states that single containers installed in the dental treatment room should not exceed a maximum capacity of 2 L of alcohol-based rub solutions in gel/liquid form.

60
Q

The maximum allowable amount of nitrous oxide in the dental environment? is

A

50 ppm : Concentrations of nitrogen oxide in the dental office atmosphere must not exceed 50 ppm, for the safety of the dental team.

61
Q

When recapping the needle, the dental assistant must Not use a?

A

Two-handed scoop method:The dental assistant must never use a two-handed scoop method to recap an anesthetic needle because he or she could slip, producing a needle puncture.

62
Q

Which is a clinical touch surface?

A

Light handle: Light handles are directly touched and contaminated during treatment procedures.

63
Q

The strength of an organism’s ability to procedure disease is ?

A

virlucence:Virulence is defined as an organism’s strength in producing disease.

64
Q

Which action promotes environmental infection control in a clinical area?

A

Avoid the use of carpet and cloth-upholstered furnishings: Carpet and cloth-upholstered furnishings are difficult to clean and disinfect and should be avoided in dental operatories, laboratories, and instrument-processing areas.

65
Q

Which technique is used to prevent surface contamination?

A

Apply appropriate surface covers before seating the patients.

66
Q

How often are chemical monitors used in the sterilization process?

A

With every instrument pack: Appropriate monitoring as recommended by the CDC involves the use of a chemical indicator on the inside and outside (if the internal indicator cannot be seen) of each pack, pouch, and cassette.

67
Q

Which is true regarding the handling of hazardous infectious waste?

A

Infectious waste should be placed in closable leak-proof, labeled containers or bags.

68
Q

Dental assistants involved in the direct provision of patient care must undergo training in?

A

Infection control, safety issues, and hazard communication : The OSHA standard requires that employers ensure that all employees with occupational exposure participate in a training program on the hazards associated with body fluids, safety issues, hazard communication, and the protective techniques needed to be taken to minimize the risk of occupational exposure.

69
Q

Which best describes an intermediate-level surface disinfectant?

A

Tuberculocidal : An intermediate-level disinfectant is differentiated by its tuberculocidal activity.

70
Q

After removing the plastic surface cover from the clinical contact surface?

A

Place a new plastic cover, as long as the underlying surface remains untouched.

71
Q

Which is Not an acceptable method of managing surface contamination?

A

Wipe the surface with alcohol: The use of alcohol is not acceptable as a means of preventing surface contamination or disinfecting a contaminated surface.

72
Q

Which are Not acceptable for use as a surface disinfectant in dentistry?

A

Glutaraldehydes:Glutaraldehydes are unacceptable surface disinfectants due to high toxicity and tendencies to discolor and corrode surfaces.

73
Q

The OSHA Hazard communications Standard requires employees to do all Except?

A

Submit annual urinalysis results of all employees : An annual urinalysis test for all employees is not required or associated with the OSHA Hazard Communications Standard. Employers are required by the OSHA Hazard Communications Standard to implement a hazard communication program, inform employees of the presence and associated hazards of chemicals in the dental office,

74
Q

Which combination produces the greatest amount of instrument rusting and duling?

A

Carbon steel instruments in a steam sterilizer :Carbon steel instruments placed in steam sterilization will produce rusting and dulling; using distilled water in the sterilizer with a protective emulsion can prevent this.

75
Q

Regulated medical waste comprises what percentage of a dental office’s total waste?

A

3% : Regulated medical waste (infectious waste) makes up 3% or less of the total medical waste produced in a dental office.

76
Q

Protective clothing must meet which requirements?

A

High neckline:To minimize the amount of uncovered skin, personal protective clothing should have a high neckline and long, not short, sleeves. Protective clothing should be made of fluid-resistant, as opposed to flame-resistant, materials.

77
Q

Dental personnel are Not exposed to infectious disease through?

A

Indirect contact with sterile instruments: Infectious disease is not transmitted through indirect contact with sterile instruments. Dental personnel are likely to be exposed to infectious disease through direct contact with blood and saliva, aerosol, splatter, and splashes and via contaminated operatory equipment.

78
Q

Surgical masks used in dentistry?

A

Prevent spatter from contacting mucous membranes. :Surgical masks primarily protect the mucous membranes of the nose and mouth from aerosol sprays and oral fluid spatter. Surgical masks do not completely eliminate the inhalation of dental aerosols, and they are not designed to protect against tuberculosis

79
Q

which is the leading cause of sterilization failure in dental offices?

A

Human error: The primary cause of sterilization failure is human error; improper loading, improper timing, improper cleaning, improper packaging, and selecting the wrong sterilization method are all caused by human error.

80
Q

Cleaning instrument prior to sterilization?

A

Increases the chance of sterilizer success.

81
Q

The high-volume evacuator (HVE)?

A

Removes large amount of fluid and debris from the mouth.

82
Q

Which agency requires employers to provide the hepatitis B immunization?

A

Occupational safety and Health Administration:The OSHA Bloodborne Pathogens Standard requires the dentist/employer to offer the HBV vaccination series to all employees whose jobs include category I and II tasks. The employee has the right to refuse the HBV vaccine for any reason.

83
Q

Which is not considered a Sharp?

A

Metal matrix retainer

84
Q

Examination gloves used for dental treatment can be made of ?

A

Either latex or Vinyl

85
Q

How does HIV cause Aids?

A

It destroys the body’s defenses againts disease

86
Q

Which action is necessary when the necessary when the outside of a biohazard ag becomes contaminated ?

A

Place it inside another biohazard bag ?

87
Q

The risk of getting HIV as a dental assistant is ?

A

Low:

88
Q

The hepatitis B(HBV) vaccine must be offered to which category of employees?

A

I and II :OSHA mandates the HBV vaccine be provided for category I and II employees. Category III employees are not exposed to blood or saliva.

89
Q

The scavering system?

A

Reduces the nitrogen oxide that escapes into the dental office atmosphere.

90
Q

Sterile surgical gloves are required for which procedure?

A

Assisting a mandibular resection:A mandibular resection is an invasive surgical procedure and would require the use of sterile surgical gloves.

91
Q

Which container requires a chemical label?

A

Disinfectant spray bottle, ultrasonic cleaner tank , x-ray processing tank.

92
Q

Before disinfecting a clinical contact surface?

A

Clean the surface:Before disinfecting a clinical contact surface, the surface is first precleaned and then sprayed or wiped a second time with the disinfectant to provide disinfection.

93
Q

To be considered acceptable for use in dentistry , a disinfectant must be able to kill?

A

Tuberculosis bacteria:The tuberculosis (TB) bacterium is the benchmark organism for disinfectants used in dentistry; a disinfectant must be lethal to Mycobacterium tuberculosis to be considered acceptable.

94
Q

Which is a safety measure for managing noncontact scrap amalgam?

A

Label the scrap amalgam container.

95
Q

Which agent is most lethal?

A

Sporicidal :A sporicidal agent is capable of killing all microorganisms, including bacterial endospores and therefore can be called a sterilant.

96
Q

Which allergic reaction is most commonly associated with latex?

A

Type IV:Type IV allergic reaction, the most common type of latex allergy, is a delayed contact reaction that involves the immune system. Reactions are limited to the area of contact.

97
Q

Heavy utility gloves are used?

A

to work with contaminated instruments

98
Q

Which qualifies as a biologic monitor?

A

Spore testing:Spore testing qualifies as a biologic monitor, which is used to ensure sterilization has occurred. Process indicators, integrators, and gauge readings provide visual control of sterilization conditions, but they do not indicate sterility.

99
Q

Central nervous system disorders, tremors, and kidney dysfunction are associated with increased exposure to?

A

Mercury vapors:Mercury vapors are toxic; long-term daily exposure can result in tremors, kidney dysfunction, depression, and central nervous system disorders. Careful amalgam handling procedures are essential to prevent daily exposure to mercury vapors.

100
Q

Which error Will Not result in a failure of sterilization?

A

Failure to use a process indicator:A process indicator is important but does not affect the operation of the sterilizer. Improper loading, inadequate time, and a faulty chamber door seal will result in sterilization failure.

DANB Question (5 decks)

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