DENTAL ASSISTANT ONLINE EXAM PRACTICE KIT 9

Question 1 of 150

1. Question

1 points

For which of the following procedures would a patient likely receive local anesthesia?

Simple extraction of a damaged tooth.
Removal of an impacted third molar.
Incision and drainage of a periapical abscess.
Root canal.

Question 2 of 150

2. Question

1 points

Which of the following instruments would you choose to remove supragingival calculus?

Periodontal curette.
Sickle.
Periodontal file.
Ronguers.

Question 3 of 150

3. Question

1 points

After placing the cotton rolls, which of the following is an appropriate instruction for a patient who is having topical fluoride application?

The patient should avoid biting down on the rolls.
The patient should bite down on the rolls as hard as possible
The patient should bite gently up and down on the rolls.
The patient should keep the teeth clamped tightly on the rolls.

Question 4 of 150

4. Question

1 points

All but which of the following are considered muscles of mastication?

Buccinator.
Masseter.
Pterygoid.
Temporalis.

Question 5 of 150

5. Question

1 points

When creating a cast, which of the following materials should you choose?

Dental wax.
Alginate.
Plaster of Paris.
Amalgam.

Question 6 of 150

6. Question

1 points

Which of the following is the SMALLEST size of plain fissure cross-cut bur?

½
556
33
1

Question 7 of 150

7. Question

1 points

Which of the following is a Class II movement?

Turning the entire torso to retrieve supplies from nearby countertop.
Picking up a cotton roll with two fingers.
Extending an arm to retrieve something from the far end of the instrument tray.
Transferring an instrument to the operator with the index and middle fingers.

Question 8 of 150

8. Question

1 points

Single use items that are disposable and discarded after one use are known as:

Capital supplies.
Non-expendable supplies
Expendable supplies.
Non-capital supplies.

Question 9 of 150

9. Question

1 points

You may recommend that a patient add this to his toothbrush if he has trouble holding it?

Ball.
Paper.
Nothing.
Boxing wax.

Question 10 of 150

10. Question

1 points

A complete set of permanent teeth is comprised of how many teeth?

40
20
32
35

Question 11 of 150

11. Question

1 points

The BEST way to control materials and supplies in a dental clinic is to have:

An inventory control system.
Administrative safety controls.
Engineering controls.
A patient information management system.

Question 12 of 150

12. Question

1 points

What color is indicator wax?

Green.
Blue.
Yellow.
Orange.

Question 13 of 150

13. Question

1 points

Which of the following would you use to locate a high spot on a restoration?

Sticky wax.
Utility wax.
Indicator wax.
Base plate wax

Question 14 of 150

14. Question

1 points

The patient should be instructed to do all but which of the following after topical fluoride application?

Refrain from eating for 30 minutes.
Refrain from eating or drinking for 24 hours.
Refrain from drinking for 30 minutes.
Refrain from brushing the teeth for 30 minutes

Question 15 of 150

15. Question

1 points

Which phrase BEST describes what happens when a dental impression is made?

A photograph is made of the patient's mouth.
A "negative" is made of the patient's teeth and soft tissue.
A sculpture is created of the patient's teeth.
A print image is drawn of the patient's mouth.

Question 16 of 150

16. Question

1 points

Which of the following would you choose to clean an amalgam restoration?

Greenie.
Brownie.
Air abrasion unit.
Diamond disk.

Question 17 of 150

17. Question

1 points

When using the bristle brush in a polishing, which of the following is true?

Use the brush on all surfaces of the teeth.
Use the brush only on lingual surfaces.
Use the brush only on occlusal surfaces.
Use the brush only on facial surfaces.

Question 18 of 150

18. Question

1 points

Which of the following is an appropriate strategy for pain control during incision and drainage?

Inject local anesthetic directly into the infected area.
Block anesthesia from the infected area.
Apply topical anesthetic directly to the infected area.
Put the patient under IV sedation.

Question 19 of 150

19. Question

1 points

Medical emergencies can be minimized by medical history evaluation, current and previous patient medications, and:

An emergency kit.
Dental care plan.
Determination of medical risk.
Staff training, emergency kit, dental care plan, determination of medical risk, and anxiety.

Question 20 of 150

20. Question

1 points

A patient has been given Atridox for periodontal disease. What is not a possible allergic reaction you would recommend he or she watch for

Hives.
Loss of smell.
Fever.
Confusion.

Question 21 of 150

21. Question

1 points

Which of the following would you use to keep impression material from flowing into the back of the patient’s throat?

Sticky wax.
Bite registration wax.
Dental dam.
Utility wax.

Question 22 of 150

22. Question

1 points

All but which of the following are appropriate steps to take in properly positioning a seated patient?

Take the chair halfway to horizontal, then pause to let the patient adjust before taking the chair to fully horizontal.
ake the chair to fully horizontal, so that the patient is supine.
Raise the foot rest 6-8 inches.
Put the arm rest down.

Question 23 of 150

23. Question

1 points

A disadvantage of alginate (irreversible hydrocolloid) impression material is:

Expensive.
Tends to cause allergic reactions.
Weak; shrink easily.
Hydrophobic (water-hating).

Question 24 of 150

24. Question

1 points

Which of the following is characterized by a large spade shape?

T-ball burnisher.
Frahm carver.
T-3 carver.
Hollenback carver.

Question 25 of 150

25. Question

1 points

Wheezing, short breath, and coughing are symptoms of which of the following?

Enamel fluorosis.
Allergies
Diabetes.
Asthma.

Question 26 of 150

26. Question

1 points

A form of dental wax that comes in rope form and which is pliable at room temperature is known as which of the following?

Indicator wax.
Sticky wax.
Utility wax.
Base plate wax.

Question 27 of 150

27. Question

1 points

Which of the following is NOT a type of explorer?

Pigtail.
Beavertail.
Orban.
Shepherd's hook.

Question 28 of 150

28. Question

1 points

The heart of the dental operation is the

Treatment room.
Front desk.
Sterilization area.
Reception area.

Question 29 of 150

29. Question

1 points

Which of the following is linked to gingivitis?

Saliva.
Plaque.
DEJ.
Enamel.

Question 30 of 150

30. Question

1 points

Which of the following should never be used interorally?

Vulcanite burs.
Diamond burs.
Metal burs.
Polishing points.

Question 31 of 150

31. Question

1 points

The labial surface of the tooth is closest to which of the following?

Tongue.
Cheek.
Surface of the other level of teeth.
Lips.

Question 32 of 150

32. Question

1 points

Which of the following is NOT true of dental inlays?

hey are suitable candidates to anchor prosthetics.
They are surrounded by intact tooth structure.
They are held in place by precision fit and cement.
They are used to restore tooth form and function.

Question 33 of 150

33. Question

1 points

A patient who is showing signs of cyanosis around the lips and a swelling of the face and tongue is likely experiencing:

Anaphylaxis.
Syncope.
Hypoglycemia.
Epileptic seizure.

Question 34 of 150

34. Question

1 points

For which of the following procedures would you choose a diamond-bur flat end cylinder?

To prepare a square shoulder for a crown preparation.
To open a tooth for endodontic treatment.
To reduce a tooth for crown preparation when a flat preparation floor and parallel walls are needed.
To create a beveled subgingival margin for a crown preparation.

Question 35 of 150

35. Question

1 points

All but which of the following can be used in a Class II cavity preparation?

Straight chisel.
Wedelstaedt chisel.
Binangle chisel. .
Spoon excavator

Question 36 of 150

36. Question

1 points

For which of the following procedures would you choose a frahm carver?

To carve the interproximal surfaces of an amalgam restoration.
To shape the occlusional anatomy of an amalgam restoration
To shape the occlusional anatomy of a composite restoration.
To smooth the margins of a composite restoration

Question 37 of 150

37. Question

1 points

The cingulum is found on which teeth?

Molars.
Premolars
Canines.
Incisors.

Question 38 of 150

38. Question

1 points

The endodontic spoon excavator can be used to remove all but which of the following?

Necrotic tissue.
Deep caries.
Pulp tissue.
Temporary cement.

Question 39 of 150

39. Question

1 points

A key component in managing an emergency in which the patient is conscious but bleeding profusely is to:

Call EMS and apply pressure to the wound.
Notify the dentist and apply pressure to the wound
Apply pressure to the wound and call the hospital.
Keep the patient comfortable and apply pressure to the wound

Question 40 of 150

40. Question

1 points

Which of the following toothbrushing techniques provides the best plaque removal at the gingival margin?

Fones.
Bass
Rolling.
Charter's.

Question 41 of 150

41. Question

1 points

Topical fluoride application via mouth tray typically takes about which length of time?

1 minute.
10 minutes.
4 minutes.
8 minutes

Question 42 of 150

42. Question

1 points

An example of an oral fungal infection is:

Melanoma.
Herpes
Aphthous ulcer.
Thrush.

Question 43 of 150

43. Question

1 points

Of the following actions, which is not a negligent act?

Failure to diagnose.
Failure to refer.
Failure to give a treatment plan.
Failure to sterilize.

Question 44 of 150

44. Question

1 points

A slightly curved shanked instrument with a bevel on one side of the cutting edge that is used to shape and plane dentin is known as which of the following?

Wedelstaedt chisel.
Straight chisel.
Binangle chisel.
Proex.

Question 45 of 150

45. Question

1 points

Structures that allow the passage of X-rays and appear dark on the film are:

Radiopaque structures.
Fogged structures.
Shadows.
Radiolucent structures.

Question 46 of 150

46. Question

1 points

Which of the following is NOT true of a Jo-dandy disc?

They are used to cut and finish gold restorations.
They break easily.
They are mounted to a mandrel for use.
They are mounted to a mandrel for use. They should never be used intra-orally.

Question 47 of 150

47. Question

1 points

The amalgam well is used for which of the following?

To load the amalgam into the carrier.
To deliver the amalgam to the filling site.
To mix the amalgam.
To dispose of excess amalgam.

Question 48 of 150

48. Question

1 points

The buccal surface of a tooth is closest to which of the following?

Tongue.
Lips.
Cheek.
Back of the mouth.

Question 49 of 150

49. Question

1 points

Irrigation agents are used in:

Direct restoration for fillings.
Indirect restoration for tooth surface preparation.
Endodontics for canal preparation.
Wound care to stop bleeding

Question 50 of 150

50. Question

1 points

A patient who stops talking, stares, and twitches is probably experiencing which of the following?

Grand mal seizure.
Petit mal seizure.
Simple partial seizures.
Tonic Clonic seizure.

Question 51 of 150

51. Question

1 points

Personnel who work in areas outside the x-ray room should be adequately protected from radiation. An example of one method to protect workers outside the x-ray room would include:

Directing radiation beams toward areas where other staff work.
Reducing radiation levels by distance.
Having light-weight wall in the path of a radiation beam.
Directing radiation beams toward windows or doors.

Question 52 of 150

52. Question

1 points

State laws generally require patient records and radiographs to be kept for what length of time?

One year.
Six years.
Three years.
Ten years.

Question 53 of 150

53. Question

1 points

Which of the following is used to aim the x-ray?

PID.
Collimator.
Bitewings.
Paralleling.

Question 54 of 150

54. Question

1 points

What should be done with a led apron after the radiograph is taken?

Discard it.
Clean it with an autoclave.
Steam it.
Disinfect it.

Question 55 of 150

55. Question

1 points

To measure absorbed radiation, the International System of Units uses

SI.
ALARA.
The unit red.
The unit gray.

Question 56 of 150

56. Question

1 points

What will help decrease blurriness in panoramic radiographs?

Curved focal spots.
A small focal spot.
High magnification.
A large focal spot

Question 57 of 150

57. Question

1 points

What is the best source-to-skin distance for radiation exposure?

40 cm.
20 cm.
30 cm.
25 cm.

Question 58 of 150

58. Question

1 points

If the right and left of an exposure are reversed, what mistake was made?

Patient moved.
Cassette placed backwards.
Exposure stopped early.
Patient not positioned.

Question 59 of 150

59. Question

1 points

What is not possible for infection control when using direct digital imaging?

Film holder.
Barrier cover.
Clinical equipment.
Antiseptic cleaning.

Question 60 of 150

60. Question

1 points

Radiographic processing requires strict attention to procedures. For instance, a processed radiograph comes out too dark. This result may be due to:

Underactive developing solutions.
Under-replenished developing solutions
Developing solutions too cold.
Developing solutions too hot.

Question 61 of 150

61. Question

1 points

Scratches on film can be the result of:

Films coming in contact with other objects.
Films not being hung on a drying rack.
Not using a drying fan.
Overheating.

Question 62 of 150

62. Question

1 points

When a patient is having an x-ray done, he

Can sense the x-ray beams.
Cannot sense the x-ray beams.
Can see the x-ray beams.
Can feel the x-ray beams

Question 63 of 150

63. Question

1 points

If you have a deaf patient and do not know sign language, what is the best way to position the patient?

Physically move the patient.
Point to the correct position.
Write down instructions.
Talk slowly.

Question 64 of 150

64. Question

1 points

Rectangular collimation for intra-oral periapical and bitewing radiography can offer which PROXIMAL area protection from radiation that may commonly be shielded?

Gonads.
Thoracic.
Abdominal.
Thyroid.

Question 65 of 150

65. Question

1 points

Primary radiation is the radiation:

Scattered from a patient.
Scattered from the surface of an object.
Emitted from an x-ray device.
Reflected from a surface.

Question 66 of 150

66. Question

1 points

Guidelines for wearing a dosimeter includes:

Wearing it while working.
Wearing it when receiving personal x-rays.
Sharing it with a co-worker.
Wearing it at home.

Question 67 of 150

67. Question

1 points

Dental assistants use radiation to

Clean teeth.
Produce an actual photograph.
Produce x-ray films.
Disinfect dental tools.

Question 68 of 150

68. Question

1 points

What will leave a white streak on a panoramic image?

Reversed screens.
Damaged cassettes.
Scratched screens.
Double exposure.

Question 69 of 150

69. Question

1 points

What is one way the DHCP ensures the patient’s dental record and radiographs are prepared for any type of legal use or viewing?

The files are color-coded correctly.
All copies have been duplicated and separated.
The documents have been made on carbon-copy papers.
Ensuring all information is up-to-date and correct.

Question 70 of 150

70. Question

1 points

What landmark does Eddy use to identify a maxillary anterior periapical view radiograph?

Genial tubercle.
Mandibular canal
Incisive foramen.
The alveolar bone

Question 71 of 150

71. Question

1 points

An example of a NON-STOCHASTIC effect of dental radiation is:

Bone cancer.
Hair loss.
Birth defects.
Tumors.

Question 72 of 150

72. Question

1 points

What should be used for an endodontic patient

Cotton roll.
Bite block.
Rectangular PID.
Endoray II film holder.

Question 73 of 150

73. Question

1 points

What landmarks does Emma use when mounting the maxillary central area radiograph?

Mental foramen.
Anterior nasal spine
Mandibular foramen.
Genial tubercle.

Question 74 of 150

74. Question

1 points

Replenishing the solutions daily ensures they are the proper:

Color.
Strength.
Temperature.
Consistency.

Question 75 of 150

75. Question

1 points

There are two categories of biological or health effects from radiation. They are stochastic and non-stochastic. Stochastic effects are related to:

Lethal doses.
Short term, high-level
Long-term, low-level.
Moderate doses.

Question 76 of 150

76. Question

1 points

The film and equipment manufacturer will recommend the average kVp and/or mA setting. However, actual settings will vary from patient to patient based on all the following factors except for

Dentition.
Size.
Bone structure.
Gender.

Question 77 of 150

77. Question

1 points

If a patient is concerned about radiation you should

Explain the benefits outweigh the risks
Ask them to leave.
Not follow the doctor’s prescription.
Offer to stand next to them

Question 78 of 150

78. Question

1 points

Films that are mounted with the left side of the film aligned with the patient’s right are mounted from the outside in, which is what?

In correct lateral position.
Correctly identified facial marks.
In correct anatomical position.
Correct aligned with jaw lines

Question 79 of 150

79. Question

1 points

Patients that feel a burning of their skin after x-rays

Should seek immediate medical attention.
Should ignore the burning.
Are in immediate danger.
Should use rubbing alcohol to disinfect the area.

Question 80 of 150

80. Question

1 points

The annual (yearly) occupational exposure for radiation exposure to extremities is:

1 REM.
5 REM.
10 REM.
50 REM.

Question 81 of 150

81. Question

1 points

Which of the following is accurate about this x-ray

It is a panoramic. .
It is an occlusal
It is a bitewing.
It is a periapical.

Question 82 of 150

82. Question

1 points

How often should a COMPLETE systems cleaning be performed on processors?

Weekly.
Monthly
Two - four times a year.
Once a year

Question 83 of 150

83. Question

1 points

What removes debris from roller transports?

Autoclave.
Dental fixer.
Clean-up film.
Replenisher.

Question 84 of 150

84. Question

1 points

What will prevent a patient from biting too far back who is missing anterior teeth?

Edentulous guide.
Bite block.
Head rest.
Blue safelight.

Question 85 of 150

85. Question

1 points

What is the exposure time for the anterior maxillary with a 16 inch cone using F speed and 80 kVp?

.25 second.
.43 second
0.36 second.
0.12 second.

Question 86 of 150

86. Question

1 points

Which of these is present in the x-ray?

Missing upper left cuspid.
Many fillings.
Missing lower left central.
One filling.

Question 87 of 150

87. Question

1 points

Before opening the film packets, if the film is moist, dry the films with

A clean rag.
A paper towel
A sponge.
A cloth towel

Question 88 of 150

88. Question

1 points

The best way to dispose of used fixer is to:

Send the fixer off-site to a hazardous waste facility.
Pay a silver recovery unit operator to take the used fixer.
Use a silver recovery unit on-site.
Set the used fixer outside for regular truck pick-up.

Question 89 of 150

89. Question

1 points

Factors minimizing the amount of radiation patients are exposed to include all of the following EXCEPT for:

Lead aprons.
Slow films.
Collimators.
Digital sensors

Question 90 of 150

90. Question

1 points

Which of the following safety measures applies to dental personnel?

Use of lead aprons.
Use of dosimetry badges.
Film screen combinations.
Use of thyroid collars.

Question 91 of 150

91. Question

1 points

Of the following, which has occurred when a thin radiolucent line appears on a radiograph?

Movement.
Film creasing.
Phalangioma.
Film bending.

Question 92 of 150

92. Question

1 points

During intra-oral radiography, the operator can reduce the beam field and prevent cone cuts by:

Using a film holding device.
Using a film holding device with beam alignment guide.
Choosing the correct intensifying screen.
Selecting the fastest film.

Question 93 of 150

93. Question

1 points

What does the bright white section on the teeth indicate?

Food stains.
Fillings.
Tartar.
Holes.

Question 94 of 150

94. Question

1 points

The film size that should not be used when taking a maxillary occlusal film on a child with primary anterior teeth is:

Size 2.
Size 1.
Size 0.
Size 3.

Question 95 of 150

95. Question

1 points

The advantages of digital imaging include all of the following except:

No chemicals.
Cost effectiveness.
More radiation.
No processor maintenance.

Question 96 of 150

96. Question

1 points

There are two intraoral x-ray techniques that dental assistants learn to use. One is the bisecting angle technique, the other is the

Paralleling technique.
Movement technique
Horizontal technique.
Oral technique.

Question 97 of 150

97. Question

1 points

When film is processed in a high temperature developer and immediately immersed in a water bath, the image will appear:

Distorted.
Wrinkled.
Blurry.
Light.

Question 98 of 150

98. Question

1 points

Which of the following is MOST likely true of the patient’s wisdom teeth?

They are missing.
They are normal.
Since they are problematic, they will be extracted.
None of the above.

Question 99 of 150

99. Question

1 points

Taking a profile picture of a patient is an example of a(n) ______.

Intraoral view.
Radiograph
Extraoral view.
Panoramic.

Question 100 of 150

100. Question

1 points

To avoid cross contamination of Creutzfeldt-Jakob Disease and Other Prion Diseases, what type of equipment should be used?

Sterilized equipment.
Disposable items whenever possible
Heat sterilized equipment.
Chemically sterilized equipment.

Question 101 of 150

101. Question

1 points

Protective eyewear helps prevent against aerosol droplets with microorganisms coming in contact with the eyes. Which of the following is the name of the infection this can cause?

Conjunctivitis.
Salmonellosis.
E coli.
CO poisoning.

Question 102 of 150

102. Question

1 points

When using a chemical steam sterilization process, it is important that the instruments be very ____.

Wet.
Warm
Cold.
Dry

Question 103 of 150

103. Question

1 points

Regarding research findings, dental professionals should ensure:

The credibility of the available data.
Patients understand technical details.
They avoid objectivity when evaluating data.
They promote personal preference rather than evidence-based practices.

Question 104 of 150

104. Question

1 points

Which barrier is used for patients and dental assistants?

Bibs.
Face mask
Eyewear.
Gloves.

Question 105 of 150

105. Question

1 points

The level of risk categories on the reactivity labels range from 0 to 4. What category would “Caution: May react if heated or mixed with water” fall under?

1
2
3
4

Question 106 of 150

106. Question

1 points

A dental assistant is working with a chemical that has a yellow warning label established by the National Fire Protection Association. What does the yellow label mean?

Fire hazard.
Health hazard.
PPE.
Reactivity.

Question 107 of 150

107. Question

1 points

The type of sterilization monitoring in which readings on the sterilization monitors are checked regularly is called:

Biological monitoring.
Physical monitoring.
Chemical monitoring.
Direct monitoring.

Question 108 of 150

108. Question

1 points

A disease that is resistant to certain medications is known as

Virulent.
Static.
Susceptible host.
Aggressive.

Question 109 of 150

109. Question

1 points

Dentists should obtain a copy of the Occupational Safety and Health Administration (OSHA) regulations from where?

Occupational Safety and Health Administration office in the state where they practice
State dental licensure board.
Federal Occupational Safety and Health Administration office
American Dental Association.

Question 110 of 150

110. Question

1 points

When should contaminated items be soaked?

After sterilization.
Immediately.
Before washing.
Before drying

Question 111 of 150

111. Question

1 points

Which of the following diseases has the greatest risk for transmission and can be reduced among employees and patients with a vaccine?

Tuberculosis.
Influenza.
Measles.
The common cold.

Question 112 of 150

112. Question

1 points

Recognizing the dangerous properties of chemicals found in the dental office is the responsibility of:

The dentist.
The Hazardous Communication Program Coordinator
The office manager.
The dental hygienist

Question 113 of 150

113. Question

1 points

The skin of the hands harbor two types of bacteria, resident and transient. Resident bacteria:

Commonly cause infection to the host.
Reside in the deep layers of the skin
Non-persistent and die easily.
Make up the normal microflora of the skin

Question 114 of 150

114. Question

1 points

Which type of impression cannot be merged in a solution for disinfection?

Polysulfide
Alginate.
Silicone.
Chlorine.

Question 115 of 150

115. Question

1 points

At the end of the day, Jan needs to clean the floors of an operatory used only for examining patients. The MOST appropriate agent to use for cleaning this surface is:

Detergent and water. .
High-level disinfectant
Intermediate-level disinfectant.
Bleach.

Question 116 of 150

116. Question

1 points

Dental water should not be used in which of the following?

Lesions.
Bone cutting.
Remove debris.
Extractions.

Question 117 of 150

117. Question

1 points

A dental assistant in who assisted with oral surgery gets a small amount of blood on his uniform. During training regarding uniforms and personal protective equipment, employees were advised:

To take their lightly soiled uniforms home and wash with their regular laundry.
Against washing uniforms at home with their regular laundry.
To wash lightly or heavily soiled uniforms by hand, at home.
To send uniforms to a dry cleaner.

Question 118 of 150

118. Question

1 points

It is suspected that the dental disease of a patient has been transmitted via the touch of a health care provider. What type of transmission is this?

Vehicle.
Vectorborne.
Contact.
Airborne

Question 119 of 150

119. Question

1 points

All dental personnel who handle regulated medical waste when cleaning environmental surfaces should be aware of the all the following factors except for:

Appropriate handling procedures for potentially infectious waste.
Proper disposal of methods for potentially infectious wastes.
Possible health and safety hazards related to the wastes.
The name and phone number of the waste management company used.

Question 120 of 150

120. Question

1 points

What occurs to sloughed biofilm?

It is treated.
The tube is cleared
Down stream contamination.
It is removed.

Question 121 of 150

121. Question

1 points

Who is responsible for laundering PPE if it is considered protective clothing?

The federal government.
The employer
The state government.
The employee.

Question 122 of 150

122. Question

1 points

Which of the following is used for rapid disinfection?

Chlorine dioxide.
Idophors.
Glutaraldehyde.
Alcohol.

Question 123 of 150

123. Question

1 points

A(n) ______is necessary to refuse a hepatitis B vaccine

Refusal form.
Informed consent.
Informed refusal form.
Refusal of consent.

Question 124 of 150

124. Question

1 points

In the dentistry practice, which of the following is the BEST response of how often gloves should be changed?

Between patients or if gloves are punctured.
Before a break.
At the end of the day.
Between patients only.

Question 125 of 150

125. Question

1 points

Which of the following is a patient barrier?

Gloves.
Face mask
Syringe covers.
Drape.

Question 126 of 150

126. Question

1 points

The Center for Disease Control recommends that dental saliva ejectors lines be disinfected:

Daily.
Weekly
Monthly.
Bi-annually.

Question 127 of 150

127. Question

1 points

What will prevent exposure to mercury vapor from a poorly filled capsule?

Amalgamator.
Gloves.
Cover on amalgamator.
Vacuuming the carpet.

Question 128 of 150

128. Question

1 points

What is true of instruments precleaned in the instrument washing machine?

They must be sterilized only before being used on patients.
They must be wrapped and sterilized before they can be used on patients
They must be hand scrubbed and ultrasonic cleaned before they can be used on patients.
They must be wrapped only before being used on patients

Question 129 of 150

129. Question

1 points

Protective measures required by OSHA regarding X-ray exposure includes all of the following except:

Film badges.
Pocket dosimeters.
Open X-ray areas.
Warnings posted on all X-ray rooms.

Question 130 of 150

130. Question

1 points

A dental assistant working in what state in 2001 was required to observe OSHA’s federal mandate as well as the safety needle laws regarding public healthcare facilities, outlined by his state?

Florida.
Pennsylvania.
West Virginia.
Arkansas

Question 131 of 150

131. Question

1 points

Instrument drying occurs in what instrument-processing area?

Sterilization / storage.
Delivery.
Contaminated.
Packaging.

Question 132 of 150

132. Question

1 points

OSHA requirements for personal protective equipment is specific. For instance, clinical gowns:

Should be worn and changed between patients whether they are soiled or not.
Must be completely impervious to liquids.
Long sleeved and extend to the knees
Changed at least once a day and whenever soiled.

Question 133 of 150

133. Question

1 points

Dirty zones (clinical contact surfaces) such as handles and dental unit switches, which cannot easily be disinfected between patients, may be:

Covered with disposal plastic sheaves.
Left until the end of the day to clean.
Covered with paper sleeves.
Covered with cloth material.

Question 134 of 150

134. Question

1 points

Which of the following does Not need to be labeled as a biohazard?

Amalgam.
Specimen container.
Laundry containers.
Sharps container.

Question 135 of 150

135. Question

1 points

Airborne particles pose all of the following hazards except for:

Respiratory irritation.
Disease transmission.
Eye irritation.
Sound nuisance.

Question 136 of 150

136. Question

1 points

Which of the following two hazards in a dental office can cause thrombocytopenia?

Chemicals and radiation.
Radiation and pathogens
Leukemia and radiation.
Leukemia and chemicals.

Question 137 of 150

137. Question

1 points

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

10 millisievert (mSv).
7.5 millisievert (mSv).
5 millisieverts (mSv).
2.5 millisieverts (mSv).

Question 138 of 150

138. Question

1 points

What precaution(s) should be used to protect against large particle splatters generated by a patient during a dental procedure?

Face mask.
Protective eyewear
Dental dams and high velocity air evacuation.
Gloves

Question 139 of 150

139. Question

1 points

How many steps are there for removing gloves?

1
4
3
2

Question 140 of 150

140. Question

1 points

The decontamination cycle of reusable items contains several steps. Of the following, which step happens second?

Disinfection.
Inspection.
Packaging.
Cleaning.

Question 141 of 150

141. Question

1 points

Which of the following breaks the link between the portal of entry and susceptibility?

Exercise.
Sterile technique.
Nutrition.
Clean dressing.

Question 142 of 150

142. Question

1 points

All hazardous chemicals or substances in the dental office must be:

Monitored by the dentist.
Labeled.
Disposed of in a trash receptacle.
Accessible to everyone.

Question 143 of 150

143. Question

1 points

Killing and removing microorganisms is defined by what term

Cleaning.
Disinfecting.
Sterilizing.
None of these.

Question 144 of 150

144. Question

1 points

According to OSHA regulations, all dental radiographers must monitor their exposure to radiation by wearing a(n)

Pocket dosimeter.
Appropriate PPE.
Radiation gauge.
Radiation watch.

Question 145 of 150

145. Question

1 points

Which of the following is a surface barrier?

Gloves.
Face mask.
Syringe covers.
Drape.

Question 146 of 150

146. Question

1 points

How often should the chambers of a sterilization machine be cleaned?

Every day.
Every month.
Every hour.
Every week.

Question 147 of 150

147. Question

1 points

In the event of a hazardous chemical spill in the dental office, the National Institute of Occupational Health and Safety requires dental personnel to:

Report the incident to the American Dental Association.
Wear masks.
Clean up the spill with paper products.
Call 911

Question 148 of 150

148. Question

1 points

At which temperature should uniforms be washed?

212 degrees.
150 degrees.
180 degrees.
200 degrees.

Question 149 of 150

149. Question

1 points

What kind of materials can be used as disposable barriers in the dentistry?

Plastic bags. .
Paper based products
Cloth.
Natural fibers.

Question 150 of 150

150. Question

1 points

Why should dental healthcare workers remove any jewelry on the hand when preparing to put on gloves?

The gloves could tarnish the jewelry.
The jewelry could puncture the gloves
The gloves could slip off over the jewelry.
The jewelry could make the glove fit improperly

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