DENTAL ASSISTANT ONLINE EXAM PRACTICE KIT 2

Question 1 of 150

1. Question

1 points

Which of the following instruments is used to remove decay before restoring a cavity?

Elevator.
Excavator.
Scaler.
Chisel

Question 2 of 150

2. Question

1 points

A cavity that involves three or more surfaces of the tooth is known as which of the following

Carious lesions.
Simple cavity.
Compound cavity.
Complex cavity.

Question 3 of 150

3. Question

1 points

For which of the following procedures would you choose a tapered fissure straight bur?

Smoothing amalgam after condensing.
Opening a tooth for endontic treatment.
Forming the retentions of a preparation.
Placing retention grooves in the walls of the cavity preparation.

Question 4 of 150

4. Question

1 points

A patient who has had her wisdom teeth extracted returns complaining of a radiating pain in her jaw. She cannot localize the pain but says it is throbbing and severe. This patient is displaying symptoms of which of the following?

Gingival abscess.
Alveolar osteitis.
Alveolar abscess.
Parasthesia.

Question 5 of 150

5. Question

1 points

Which of the following is NOT one of the roles of the evacuator tip?

To remove debris from a treatment site.
To remove fluid from a treatment site.
To retract soft tissues.
To remove carious material

Question 6 of 150

6. Question

1 points

A patient should be given antibiotics before a procedure if he or she has _____.

Osteoporosis.
High cholesterol.
Diabetes.
Low blood pressure.

Question 7 of 150

7. Question

1 points

A veneer that is applied without removing existing tooth structure is known as which of the following?

Indirect veneer.
Overlay.
Direct veneer.
Temporary veneer.

Question 8 of 150

8. Question

1 points

Who should administer oxygen?

Medic.
Dental assistant.
Hygienist.
Dentist.

Question 9 of 150

9. Question

1 points

Which of the following instruments would you use to place a rubber dam in a patient’s mouth before treatment?

Hoe.
Hatchet.
Beavertail burnisher.
Forceps.

Question 10 of 150

10. Question

1 points

When preparing to remove calculus, which of the following is the role of an exploratory stroke?

To determine the shape of the calculus deposit.
To determine the depth of the gingival pocket
To search out any carious material.
To determine how far below the gingiva the calculus extends

Question 11 of 150

11. Question

1 points

You are collecting clinical data with a patient who has a full coverage crown on one of her back molars. How would you chart this?

Shade the tooth in with pencil on the diagram.
Circle the entire tooth in blue on the diagram.
Circle the restored portion of the tooth in blue on the diagram
Make a box note

Question 12 of 150

12. Question

1 points

Elastomer impression materials are prepared by mixing:

Water and a natural product.
A base product and a chemical reactor.
Two natural products.
An oil and a powder.

Question 13 of 150

13. Question

1 points

Which of the following is considered the most effective way to maintain a dry field during dental restorations

Regular suction.
Saliva ejectors
Cotton rolls.
Rubber dam.

Question 14 of 150

14. Question

1 points

Which of the following is NOT true of vulcanite burs?

They are used to make adjustments to acrylic materials.
They are used on plaster, stone, and metal.
They may be used intraorally.
They are sometimes known as laboratory burs

Question 15 of 150

15. Question

1 points

During patient education, your patient says that he dislikes brushing his teeth at home because he has pain in his gums. Which of the following is an appropriate recommendation for this patient?

The patient should brush through the pain, as it will improve as his oral hygiene improves
The patient should use a salt water rinse after brushing to help alleviate discomfort.
The patient should be prescribed a numbing agent
The patient should brush only once a day until the pain subsides.

Question 16 of 150

16. Question

1 points

A patient is not breathing after receiving medication during a procedure. What should be done first?

Call EMS.
Place IV.
Administer prophylactic.
Administer oxygen.

Question 17 of 150

17. Question

1 points

Other than hearing but not listening, the BEST example of another barrier to communication in the dental office is:

Ringing telephones.
Prejudging a person.
People walking by.
Preoccupation with one's own thoughts.

Question 18 of 150

18. Question

1 points

Which of the following instruments would be used to enlarge a root canal?

Reamer.
Excavator.
Explorer.
Burnisher.

Question 19 of 150

19. Question

1 points

Which of the following is NOT true of lower incisors?

They are the smallest of the incisors.
They have a prominent cingulum.
They may be worn down by contact with upper teeth
They are somewhat beveled.

Question 20 of 150

20. Question

1 points

When is it not necessary to have oxygen inhalation equipment for emergencies?

When the dentist only treats patients with low risk for emergency.
When there is nitrous oxide equipment set up in each room.
When patients do not usually require oxygen.
When patients bring their own oxygen.

Question 21 of 150

21. Question

1 points

The dental clinic must take which action to PREVENT lawsuits?

Maintain patient relationships.
Follow all related regulations and board recommendations
Provide patient follow-up and education.
Use the latest technology.

Question 22 of 150

22. Question

1 points

The site most often used when obtaining a patient’s pulse is the

Brachial artery.
Carotid artery.
Radial artery.
Temporal artery.

Question 23 of 150

23. Question

1 points

Which of the following is NOT used to carve occlusional anatomy

T-3 carver.
Gold finishing knife.
Frahm carver.
Half-Hollenback carver.

Question 24 of 150

24. Question

1 points

An oval-shaped dental dam frame is known as which of the following?

Ostby frame.
Young frame.
U-frame.
Osborne frame.

Question 25 of 150

25. Question

1 points

Which of the following patients should NOT be administered nitrous oxide?

A female patient who is in her 9th week of pregnancy
A male patient who is anxious about receiving injections.
A female patient who has recently given birth.
A female patient who is having a simple extraction

Question 26 of 150

26. Question

1 points

Which of the following is NOT a symptom of a stroke

Headache. .
Alertness
Inability to speak.
Hemiplegia.

Question 27 of 150

27. Question

1 points

The right maxillary first molar is designated with which number in the Universal Numbering System?

1
2
3
12

Question 28 of 150

28. Question

1 points

Dentals waxes have different forms, compositions, and usage. Low-fusing impression wax is used in:

Preparing patterns.
Making occlusion rims.
Holding broken denture pieces together.
Relining and rebasing dentures.

Question 29 of 150

29. Question

1 points

The wavy, branching tubes which make up dentin are known as which of following?

Tubercules.
Canaliculi.
Canals.
Cuspids.

Question 30 of 150

30. Question

1 points

Which dental cement adheres to acid-etched tooth surfaces AND is used for ceramic restorations as well as orthodontics?

Zinc phosphate
Composite.
Calcium hydroxide.
Zinc oxide.

Question 31 of 150

31. Question

1 points

Duties that can be performed by a dental assistant are determined by

Federal law.
The dentist.
State law.
Local dentist association.

Question 32 of 150

32. Question

1 points

Which of the following is NOT a potential benefit of fluoride?

It ionizes the tooth enamel, making it resistant to decay.
It retards the growth of bacteria that can cause dental caries
It speeds the remineralization process.
It kills bacteria on contact.

Question 33 of 150

33. Question

1 points

Which of the following is not true of alginate?

t is inexpensive.
It is comfortable for the patient.
It does not require excess preparation.
It gives off heat when mixed.

Question 34 of 150

34. Question

1 points

You are preparing an instrument tray for a routine tooth extraction. Which of the following is NOT a standard part of this set up?

Extracting forceps.
Surgical bur.
Periosteal elevator.
Root elevators.

Question 35 of 150

35. Question

1 points

An instrument with an explorer on one end and a periodontal probe on the other is known as which of the following?

Excavator.
Probex.
Expober.
Expro.

Question 36 of 150

36. Question

1 points

Which of the following patients should NOT be administered nitrous oxide?

A female patient who is anxious about receiving injections.
A female patient who is breastfeeding .
A female patient who has had a Caesarean section in the past year.
A female patient who suspects she may be pregnant but has not yet had a positive pregnancy test.

Question 37 of 150

37. Question

1 points

What mineral necessary for oral health may be lacking in the diet of a vegan or vegetarian?

Magnesium.
Vitamin D
Vitamin C.
Calcium

Question 38 of 150

38. Question

1 points

Air abrasion may be used for all but which of the following procedures?

Cleaning fissures.
Polishing restorations.
Cleaning restorations.
Preparing small cavities.

Question 39 of 150

39. Question

1 points

Of the following which is NOT considered to be an important measure to take for the prevention of emergency situations:

Close review of dental history.
Maintenance of patient's airway, breathing, and circulation.
Checking vital signs.
Unconsciousness.

Question 40 of 150

40. Question

1 points

Hard replicas of the teeth and soft tissues of the oral cavity, made of gypsum products, are known as which of the following?

Dies.
Impressions.
Casts.
Pontis.

Question 41 of 150

41. Question

1 points

Which of the following instruments would you choose when a beveled subgingival margin is needed for a crown preparation?

Pear bur.
Diamond bur flame.
Diamond bur wheel.
Diamond bur flat-end taper.

Question 42 of 150

42. Question

1 points

Which of the following is true of dental pulp?

It is composed of wavy, branching tubes in a matrix.
It is structurally similar to bone.
It has no feeling
It is rich in nerves and blood vessels

Question 43 of 150

43. Question

1 points

Which of the following impression materials produces alcohol as a liquid by-product?

Condensation silicone.
Addition silicone.
PVS.
Alginate

Question 44 of 150

44. Question

1 points

Dental molds are commonly made from

Gold.
Plaster.
Ceramic.
Cement.

Question 45 of 150

45. Question

1 points

The laboratory handpiece can be used to do all but which of the following?

Contour provisional crowns.
Clean dental instruments after use.
Polish dentures.
Smooth permanent bridges.

Question 46 of 150

46. Question

1 points

Which of the following is NOT true of fluoride and dental caries?

Fluoride can heal a fully developed dental carie.
Fluoride can prevent the development of dental caries
Fluoridated water is the most effective method of prevention of dental caries.
Fluoride can slow the growth of existing dental lesions that may develop into caries.

Question 47 of 150

47. Question

1 points

All but which of the following are appropriate interventions for a patient who has developed dry socket?

Taking oral antibiotics.
Packing the socket with a sedative dressing soaked with oil of cloves.
Taking analgesics such as Tylenol for pain.
Regularly rinsing the socket to remove debris.

Question 48 of 150

48. Question

1 points

Patient reception should initiate referrals:

Based on their own judgment.
Only when directed by the dentist
As directed by the dental assistant.
As requested by the patient.

Question 49 of 150

49. Question

1 points

For which of the following procedures would you prepare an instrument tray including broaches?

Routine extraction.
Surgical extraction.
Amalgam restoration.
Root canal.

Question 50 of 150

50. Question

1 points

Which of the following is the LARGEST size of tapered fissure cross-cut bur?

703
699
33
172

Question 51 of 150

51. Question

1 points

The major benefit of digital imaging in dentistry is its:

Cost effectiveness.
Ability to computer enhance images.
Time-saving features.
Elimination of the need for a darkroom

Question 52 of 150

52. Question

1 points

Besides preventing a patient from having to hold the film, another advantage of film holding device is:

Minimizing the area exposed to radiation
Minimizing distortion of the image.
Filtering radiation.
Focusing the radiation in narrow beam.

Question 53 of 150

53. Question

1 points

If an image shows two different images superimposed:

The same film was exposed twice.
The operator pushed the exposure button twice.
The X-ray tube head drifted.
The film was exposed to light

Question 54 of 150

54. Question

1 points

What is done to prevent infections spreading from the film packets?

Wear gloves.
Disinfect.
Sterilize.
Sterilize. Blue safelight.

Question 55 of 150

55. Question

1 points

The operator should follow proper radiation procedures

Only when using the bisecting angle technique.
To protect themselves from damaging their own living tissue.
o avoid having to redo the x-rays
When there is enough time available.

Question 56 of 150

56. Question

1 points

Individual states have regulations to protect both patients and workers in the dental setting. Some examples of State requirements include all of the following EXCEPT for:

Inspection and testing of x-ray machines.
Supervision of radiography personnel.
Treatment protocols.
Record keeping.

Question 57 of 150

57. Question

1 points

Another dental office is requesting for a patient’s records to be sent to their office for review. What form of the record should the radiographer send?

The originals.
Summary notes only.
One original and two copies.
Copies only.

Question 58 of 150

58. Question

1 points

Scatter radiation is radiation that has done what?

Deviated from the primary path.
Become a beam that flows in several directions.
Lessoned in strength.
Has been received directly from the x-ray machine

Question 59 of 150

59. Question

1 points

A panoramic will return to start for what reason?

Double exposure.
Latent image.
Exposure stopped.
Blank image.

Question 60 of 150

60. Question

1 points

If all precautions and guidelines are followed, the technician should never receive what?

Work related injury.
Primary radiation.
Germs from the machines.
A patient complaint.

Question 61 of 150

61. Question

1 points

Which of the following types of cells are most susceptible to radiation damage?

Bone marrow.
Skin.
Muscle mass
Hair follicles

Question 62 of 150

62. Question

1 points

The best way to dispose of used dental film is to:

Contact an off-site silver reclamation company for removal
To place it in an on-site waste unit.
To shred it.
To place it in a trash can

Question 63 of 150

63. Question

1 points

The standard film size used for bitewing radiographs is

Size 0.
Size 2
Size 3
Size 1

Question 64 of 150

64. Question

1 points

What is visible in this x-ray?

Screws used to reconstruct the patient's jaw bones.
Ten fillings.
Five cavities
Pain radiating through the patient's upper right 1st molar

Question 65 of 150

65. Question

1 points

Pain radiating through the patient’s upper right 1st molar

The office manager.
The dentist.
The patient.
The dental assistant.

Question 66 of 150

66. Question

1 points

Which worker(s) need training on radiographic safety? Choose the BEST answer.

Dental assistants who perform chairside duties only.
Dental assistants who only clean instruments and process x-rays only.
Dental assistants whose duties include taking x-rays but not processing.
All dental assistants involved in any aspect of the production of x-rays.

Question 67 of 150

67. Question

1 points

When duplicating a patient’s film, the longer the film is exposed to the light, the _______ the film becomes.

More clouded.
Darker
More discolored.
Lighter.

Question 68 of 150

68. Question

1 points

There are dark spots on an image that form a pattern. What is the most likely cause?

Developer stain.
Fixer stain
Dirty rollers.
Cross contamination.

Question 69 of 150

69. Question

1 points

A patient feels as though he or she will fall without grasping the hand holds during a panoramic. What does this indicate

The position is correct.
The patient is too far forward.
The patient is too far back.
The horizontal angulation is off.

Question 70 of 150

70. Question

1 points

What is a purpose of a film holder?

Depleted chemistry.
Limit radiation exposure.
Clinical equipment.
Paralleling.

Question 71 of 150

71. Question

1 points

What causes too much contrast in a radiograph

Short exposure.
High kVp.
Long exposure.
Low kVp.

Question 72 of 150

72. Question

1 points

The chemical that builds black and gray tones of the image is:

Sodium carbonate.
Ammonium gluteraldehyde.
Metol.
Potassium thiosulfate.

Question 73 of 150

73. Question

1 points

Which tank of an automatic processor should be filled first?

Rinse.
Developer.
Washer.
Fixer.

Question 74 of 150

74. Question

1 points

Approximately how many individual films are mounted in a full mouth survey?

10-12
6-9
18-20
20-25

Question 75 of 150

75. Question

1 points

Collimated x-ray beams

Focus on a centralized area.
Are expanded beams that cover entire areas.
Do not emit radiation.
Do not have dose controls.

Question 76 of 150

76. Question

1 points

Splashes of fixer solution on the radiograph prior to processing will cause:

Gray areas on the image.
White spots on the image.
A herringbone pattern on the image.
Will not affect the image.

Question 77 of 150

77. Question

1 points

Film barriers:

Increase the need for wearing additional pairs of gloves.
Increase the preparation and processing time.
Protect film from direct contamination.
Are optional.

Question 78 of 150

78. Question

1 points

Film cassettes allow operators to capture radiographic images with less exposure than with direct x-rays alone. Film cassettes are used for what purpose?

Periapical x-rays.
Bitewing x-rays.
Panoramic x-rays.
Intra-oral x-ray

Question 79 of 150

79. Question

1 points

Facial mounting is a way to view mounted film and radiographs when the embossed dots appear _____________

Inward.
Lightened.
Outward.
Perfectly flat.

Question 80 of 150

80. Question

1 points

With guidelines set by the federal government for radiation use, we find

Many dentists do not follow them.
The radiation still remains too high.
Only patient’s above 18 years of age can be exposed to radiation.
Patient’s exposure to radiation is low.

Question 81 of 150

81. Question

1 points

A stepwedge serves what function?

Records a range of densities from black to white.
Provides a image quality reference for intra-oral films
Provides a image quality reference for periapical films
Corrects image density while in the processor.

Question 82 of 150

82. Question

1 points

Film speed is not determined by:

Size of silver crystals.
Thickness of emulsion.
Black paper in film packet.
Special radiosensitive dyes.

Question 83 of 150

83. Question

1 points

The luminosity of a clinic’s radiographic viewbox has decreased over the past few weeks. The most LIKELY cause is:

The wrong type of bulb.
An old bulb.
Damaged Plexiglas.
Malfunctioning light switch.

Question 84 of 150

84. Question

1 points

A dental office has a round collimator on its x-ray equipment. What is the MOST practical action it can take to reduce patient exposure?

Purchase a new x-ray machine.
Continue to use the round collimator.
Use the panoramic equipment.
Purchase a converter to make the round collimator rectangular

Question 85 of 150

85. Question

1 points

At what temperature should film be stored?

80 degrees F.
35 degrees F.
60 degrees F.
100 degrees F.

Question 86 of 150

86. Question

1 points

What should the humidity be where film is stored?

40 percent.
60 percent.
20 percent.
70 percent.

Question 87 of 150

87. Question

1 points

A high milliampere setting produces a

Lighter image.
Darker image.
More contrast.
Less contrast.

Question 88 of 150

88. Question

1 points

When exposing films, an operator should be located where?

Next to the machine.
1 foot behind the patient.
Directly next to the patient.
Behind a barrier.

Question 89 of 150

89. Question

1 points

The patient’s x-ray shows ____.

Milk teeth.
Severe plaque build-up
Black teeth.
Bridges.

Question 90 of 150

90. Question

1 points

If the operator wants to change from the long scale (low contrast) film technique to a short scale (high contrast) film technique while maintaining the same density, he should:

Decrease the kVp and the mA.
Decrease the kVp and increase the mA.
ncrease the kVp and the mA.
Increase the kVp and decrease the mA.

Question 91 of 150

91. Question

1 points

To obtain the patient’s cooperation when dental X-rays must be taken, dental professionals should:

Ignore the patient's concerns.
Take a heavy-handed approach with the patient.
Explain the procedure in terms the patient can understand
Select an alternative diagnostic procedure

Question 92 of 150

92. Question

1 points

What should be used on panels between patients?

Autoclave.
Ultrasonic.
Surface disinfectant.
Ultraviolet light

Question 93 of 150

93. Question

1 points

According to the National Council for Radiation Protection and Measurements, the occupational radiation dose for a pregnant worker should not exceed:

0.5 mSv per month.
1.0 mSv per month.
2.0 mSv per month.
5 mSv per month

Question 94 of 150

94. Question

1 points

To avoid radiation being spread to a larger area of the patient’s body, the PID should

Be set 1 foot away from the patient’s x-ray area.
Be set as far away as possible.
Be held in place by the operator.
Be set as close as possible to the patient's skin.

Question 95 of 150

95. Question

1 points

Primary beams are not always fully absorbed by the patient so operators should:

Consider it to extend until it reaches a protective shield.
Consider it to dissipate after several feet.
Not be concerned since the beam will scatter.
Not be concerned since primary beams are weak

Question 96 of 150

96. Question

1 points

Old film can cause

Foggy images.
Dark images.
Fading.
Brown images.

Question 97 of 150

97. Question

1 points

The radiation that patients are exposed to in dental x-rays

Is high.
Is very high.
Is moderate.
Is very low.

Question 98 of 150

98. Question

1 points

Of the following x-ray types, which is this image?

Bitewing.
Occlusal.
Panoramic.
Periapical (PA)

Question 99 of 150

99. Question

1 points

The ideal storage conditions for dental X-ray film are:

50-75 degrees with relative humidity of 40-60 degrees.
65-75 degrees with relative humidity of 50-70 degrees.
75-80 degrees with relative humidity of 60-70 degrees.
40-60 degrees with relative humidity of 30-40 degrees.

Question 100 of 150

100. Question

1 points

The best technique to use before placing an implant is the:

Panoramic technique.
Occlusal technique
Paralleling technique.
Bisecting the angle technique.

Question 101 of 150

101. Question

1 points

The maximum permissible level of radiation (per year) for nonpregnant dental workers is:

50 millisievert (mSv).
25 millisievert (mSv).
10 millisievert (mSv).
5 millisievert (mSv).

Question 102 of 150

102. Question

1 points

What is an appropriate alternative to disinfecting clinical contact surfaces?

Barriers.
Sterile technique.
Steam.
Nothing.

Question 103 of 150

103. Question

1 points

Dental health care workers can stop the transmission of bloodborne pathogens by vaccinating against:

Hepatitis A.
Hepatitis B.
Hepatitis C
HIV

Question 104 of 150

104. Question

1 points

Sodium hypochlorite is a common active ingredient of which of the following disinfectants?

Chlorine.
Iodophor.
PCMX.
First generation quaternary ammonium compound.

Question 105 of 150

105. Question

1 points

A biologic indicator comes back positive but the chemical indicator and mechanical indicators are normal. What is the appropriate step?

Repair the machine.
Repeat the test
Close the lab.
Sterilize the equipment again.

Question 106 of 150

106. Question

1 points

What type of transmission occurs when the impressions are not disinfected

Team-to-patient.
Office to community.
Patient-to-patient.
Contamination

Question 107 of 150

107. Question

1 points

Items being disposed of are placed in a secondary container. What is the appropriate action?

Do not use a secondary container.
Label secondary container.
Sterilize the primary container.
Label primary container.

Question 108 of 150

108. Question

1 points

Which of the following is NOT true of the unsaturated chemical vapor method of sterilization?

A special solution must be used
Once the cycle is complete, the instruments take a long time to dry.
Not capable of sterilizing liquids.
Chemicals may be absorbed by cloth wrap.

Question 109 of 150

109. Question

1 points

After cleaning, what should be done with the utility gloves?

Wash and remove them.
Remove and wash them.
Wash and dry them.
Dispose of them.

Question 110 of 150

110. Question

1 points

What determines if a hepatitis B vaccine is successful?

Nothing.
Blood test.
Skin test.
Side effects

Question 111 of 150

111. Question

1 points

What is an alternative for liquid sterilization?

Antiseptic indicator.
Ethylene oxide.
Chemiclave.
Autoclave

Question 112 of 150

112. Question

1 points

Which of the following is NOT required on the Material Safety Data Sheet?

"Date of preparation and last changes to the sheet."
"Generally applicable control measures."
"Contact information of party preparing or distributing the sheet."
None of these.

Question 113 of 150

113. Question

1 points

The purpose of utility gloves is to:

Prepare the operatory.
Handle instruments while preparing for sterilization.
Dispose of sharps.
Protect the patient.

Question 114 of 150

114. Question

1 points

Which of the following can be used as a barrier for lights?

There are no barriers for lights.
Grocery bags.
Plastic containers.
Shower cap

Question 115 of 150

115. Question

1 points

Which color would a warning label be if can cause skin irritation?

Red.
Blue.
Yellow.
White.

Question 116 of 150

116. Question

1 points

Which of the following is the BEST example of what a dental assistant should wear when working in a moderate-level exposure environment?

Fluid resistant gown.
Fluid proof apron.
Lab coat.
Head and foot covering.

Question 117 of 150

117. Question

1 points

When packaging instruments, the dental assistant used gauze pads. What did she most likely use them for?

Seal nylon plastic instrument packaging tubing.
Seal wrapped cassettes.
Place in cassettes before heat processing.
Monitor sterilizer and make sure it is functioning properly

Question 118 of 150

118. Question

1 points

Barriers should be used rather than disinfection for which of the following?

Floors.
Counters.
Chair.
Electrical equipment.

Question 119 of 150

119. Question

1 points

In dealing with a patient with active tuberculosis, the dental healthcare worker should:

Delay treatment.
Refer the patient to the attending physician until patient is considered stable
Treat the patient just like any other patient.
Deny treatment.

Question 120 of 150

120. Question

1 points

Which of the PPEs is applied last?

Gloves.
Face shield.
Eyewear.
Face mask

Question 121 of 150

121. Question

1 points

If performing a long procedure, how often should the face mask be changed?

It should not be changed once you put it on.
Once per hour.
Twice per hour.
Three times per hour.

Question 122 of 150

122. Question

1 points

What is the number of holes in the standard handpiece hose for dental units?

5
3
4
8

Question 123 of 150

123. Question

1 points

At this infectious disease stage, symptoms of the illness have manifested and the individual is obviously sick.

Prodromal.
Acute.
Convalescent.
Incubation.

Question 124 of 150

124. Question

1 points

A dental team in a large clinic wishes to incorporate a new program for teeth whitening and educating patients on the use of whitener products. They examine several new products on the market and review research regarding the products. The BEST products have research that:

Is subjective.
Helps patients understand highly technical details.
Is clinically tested with random trials.
Is biased by manufacturers.

Question 125 of 150

125. Question

1 points

Of the following, what information is NOT required to be included on the MSDS?

"Health hazards as a result of exposure or previous conditions made worse due to exposure to chemical."
"Primary route of entry."
"Exposure limits used or recommended."
None of these.

Question 126 of 150

126. Question

1 points

What is/are the Universal Precaution(s) for prevention of transmitting blood- borne pathogens among patients?

Hand washing only.
Wearing gloves only.
Disposing of disposal items only.
Careful handling of sharp instruments; rubber dams; proper hand washing; use of protective barriers

Question 127 of 150

127. Question

1 points

One reason OSHA prohibits home laundering of personal protective equipment is:

Employers cannot ensure proper procedures for handling contaminated items.
Employees can spread diseases from their homes to work.
Employees can adequately decontaminate items.
Employers cannot ensure employees wear home laundered personal protective equipment.

Question 128 of 150

128. Question

1 points

An ultrasonic cleaner is used to:

Sterilize instruments.
Adhere debris to dental instruments.
Disinfect instruments.
Loosen debris from dental instruments

Question 129 of 150

129. Question

1 points

PPE worn during each dental procedure is determined by:

The dentist.
The American Dental Association.
The Center for Disease Control.
OSHA.

Question 130 of 150

130. Question

1 points

How long does an emergency flash steam last?

20 min.
10 min.
15 min
5 min

Question 131 of 150

131. Question

1 points

The exact concentration of fluorine in water supplies is the:

Same state-wide.
Same nationwide
Varies for each community
Same throughout ecological regions, such as the Rocky Mountains or Midwest plains.

Question 132 of 150

132. Question

1 points

Employers inform employees of chemical hazards by providing:

Radiation warnings.
Biohazard labels.
Chemical information sheets.
Proper storage.

Question 133 of 150

133. Question

1 points

What agency enforces the standard for the microbial quality of drinking water?

EBSA.
EEOC.
EPA.
CIA.

Question 134 of 150

134. Question

1 points

Uniforms are not considered personal protective equipment because

They are made of materials permeable to microorganisms.
They protect against fluids
They can be used more than one time.
Uniforms are more durable.

Question 135 of 150

135. Question

1 points

Of the following, what packaging materials CANNOT be utilized with dry heat sterilizers?

Paper wrap.
Nylon plastic tubing.
Paper/plastic peel pouches.
Wrapper perforated cassettes.

Question 136 of 150

136. Question

1 points

It has been determined that a food additive is the agent that caused a patient’s dental disease. What type of agent is a food additive?

Chemical.
Physical.
Psychological.
Biological.

Question 137 of 150

137. Question

1 points

Of the following, which is true of clean instruments.

They are sterile.
They do not have to be inspected.
They do not have to be assembled into sets or trays.
They are not sterile.

Question 138 of 150

138. Question

1 points

Disposal facial masks cannot protect wearers tuberculosis because

They produce a good seal around the nose.
They are ineffective air filters.
They fit tightly.
They act as particulate respirators.

Question 139 of 150

139. Question

1 points

It is important to understand the label for a hazardous chemical. Red means:

Special hazards.
Health.
Instability.
Flammability.

Question 140 of 150

140. Question

1 points

To prevent exposure to blood borne pathogens, all dental offices must have:

A written exposure control plan provided to all employees, employee training, and standard precautions.
To provide employee-paid HEP B vaccinations.
Standard insurance for all employees.
A written control plan, employee training, and universal precautions.

Question 141 of 150

141. Question

1 points

A surgical mask should have which percentage of bacterial filtration

95
80
75
100

Question 142 of 150

142. Question

1 points

As per OSHA regulation, occupational exposure to elemental mercury is not to exceed what?

0.5mg/m³
0.1mg/m³.
0.25mg/m³.
0.0005mg/m³.

Question 143 of 150

143. Question

1 points

The MOST effective way to prepare each employee with information and actions to take in case of exposure or accident is to:

Have a private meeting with each employee.
Provide a copy of the OSHA manual to each employee to read at their convenience.
Hold a staff meeting and summarize each section of the manual.
Have a copy of the manual available for staff to consult when the need arises.

Question 144 of 150

144. Question

1 points

What occurs when illness is transferred from one person to another?

Infection.
Cross-contamination.
Cross-infection.
Contamination.

Question 145 of 150

145. Question

1 points

OSHA specifies that all dental professionals who have exudative lesions or weeping dermatitis on their hands:

Wear gloves.
Refrain from direct patient care.
Refrain from patient care, but are allowed to handle dental equipment.
Wash their hands frequently and use topical antibiotics.

Question 146 of 150

146. Question

1 points

Of the following, which would NOT MOST likely be damaged by heat-based sterilization?

Rubber dam frames.
Shade guides
X-ray film-holding devices.
None of these.

Question 147 of 150

147. Question

1 points

How long should lines dry after air purging?

8 hours.
12 hours
10 hours
Overnight

Question 148 of 150

148. Question

1 points

How should water be turned on and off without an automatic knee control?

With a paper towel.
Towel
Glove.
Soap

Question 149 of 150

149. Question

1 points

Where should clean supplies and instruments be stored within a dental care health facility?

They should be stored in closed or covered cabinets, if possible
They should be stored in a closed bag.
They should be stored within the central processing area.
They should be stored in a sterile glass container.

Question 150 of 150

150. Question

1 points

What is the approach to disinfection and sterilization of patient care items and equipment?

Spaulding Classification.
Smitherson Classification.
Sloan Classification.
Silverman Classification

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