DENTAL ASSISTANT ONLINE EXAM PRACTICE KIT 5

Question 1 of 150

1. Question

1 points

How long should a patient take to brush his or her teeth?

30 seconds.
1 minute.
2 minutes.
3 minutes.

Question 2 of 150

2. Question

1 points

On which class of cavity would you expect to use a glass isonomer restorative material?

Class I.
Class V.
Class III.
Class II.

Question 3 of 150

3. Question

1 points

The assistant zone for an assistant working with a left-handed operator will be in which of the following positions?

2 to 4 o'clock.
8 to 10 o'clock.
5 to 7 o'clock.
12 to 3 o'clock

Question 4 of 150

4. Question

1 points

An example of a non-expendable dental material might include

Impression material.
Processing solutions.
Oral hygiene products.
Temporary crowns.

Question 5 of 150

5. Question

1 points

Complete inventory of a dental clinic should be performed at least:

Weekly.
Monthly.
Every 3 months.
Annually.

Question 6 of 150

6. Question

1 points

For which of the following procedures would you choose a vulcanite bur?

Polishing a crown restoration that has been seated on the tooth.
Shaping acrylic dentures in the lab.
Opening a tooth for endodontic treatment.
Smoothing the floor of a restoration.

Question 7 of 150

7. Question

1 points

What is the role of a rubber dam in endodontic procedures?

To prop the mouth open.
To isolate the affected tooth or teeth.
To keep the patient's tongue out of the treatment area.
To prevent debris from washing into the oral cavity.

Question 8 of 150

8. Question

1 points

The purpose of an aspirating syringe is which of the following?

To debride the pulp canal with pressurized air.
To allow more control over dosage of anesthesia.
To allow the operator to see if anesthesia is being injected into the bloodstream.
To minimize discomfort associated with injections.

Question 9 of 150

9. Question

1 points

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

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

Question 10 of 150

10. Question

1 points

When mixing amalgam, which of the following is the correct ratio of metal alloy to mercury?

2 to 1
1 to 2
1 to 1
3 to 1

Question 11 of 150

11. Question

1 points

The loose connective tissue found inside teeth is known as which of the following?

Dental pulp.
Dentin.
Aveoli.
Dental matrix.

Question 12 of 150

12. Question

1 points

The surface of a tooth closest to the tongue is known as the _________

Buccal.
Lingual.
Occlusal.
Labial.

Question 13 of 150

13. Question

1 points

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

To determine how far below the gingiva the calculus extends.
To determine the thickness of the calculus layer.
To determine whether pulp death has occurred.
To determine the shape of the calculus deposit.

Question 14 of 150

14. Question

1 points

Controlled substances are categorized under

Brands.
Schedules.
Nomenclature.
Manufacturers.

Question 15 of 150

15. Question

1 points

Which of the following would you choose to scrape and widen a very narrow, curved canal during endodontic treatment?

K-type file.
Flex file
Hedstrom file.
Reamer.

Question 16 of 150

16. Question

1 points

When preparing a syringe of anesthetic, you notice that the glass carpule has large bubbles in it. Which of the following is an appropriate next step?

Shake the carpule.
Tap the carpule gently to disperse the bubbles
Assemble the syringe as usual using the carpule in question
Discard the carpule and assemble the syringe with another.

Question 17 of 150

17. Question

1 points

A toothbrushing technique in which the side of the brush is placed against the tooth, with the bristles facing occlusally, and then is slid to a 45 degree angle to the gingival margin, is known as which of the following?

Charter's.
Stillman's.
Bass.
Fones.

Question 18 of 150

18. Question

1 points

Which of the following calls for impacted extraction?

A tooth which has carious lesions in three walls.
A tooth which has carious lesions in three walls.
A tooth with a bifurcated root
A deciduous tooth which has not fallen out and is crowding permanent teeth.

Question 19 of 150

19. Question

1 points

When placing temporary cement, which of the following is recommended?

Place cement only around the internal margin of the replacement area.
Fill the entire cavity with cement.
Use a large amount of cement to ensure sufficient coverage.
Place cement only around the external margin of the replacement area.

Question 20 of 150

20. Question

1 points

Diamond burs may be used for all but which of the following procedures?

Polishing composite restorations.
Gingival contouring.
Occlusional adjustment.
Trimming metal restorations.

Question 21 of 150

21. Question

1 points

Which of the following is the appropriate working distance between the patient’s oral cavity and the operator’s nose?

8-10 inches.
20-24 inches.
6-12 inches.
14-18 inches.

Question 22 of 150

22. Question

1 points

Nausea, weakness, shortness of breath and pain radiating in the arm, jaw and face are symptoms of:

Insulin shock.
Stroke.
Myocardial infarction.
Postural hypertension.

Question 23 of 150

23. Question

1 points

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

Utility wax.
Rubber dam.
Curing light.
Indicator wax

Question 24 of 150

24. Question

1 points

Which of the following instruments would you use to remove subgingival calculus?

Sickle.
Chisel.
Jacquette.
Hatchet.

Question 25 of 150

25. Question

1 points

Which tooth is indicated by 22 in the Universal Numbering System?

Right mandibular canine.
Left mandibular canine.
Right maxillary incisor.
Left mandibular first molar.

Question 26 of 150

26. 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 entire tooth in black on the diagram.
Circle the entire tooth in blue on the diagram.
Mark the tooth with a red C on the diagram. .
Indicate this in the box notes

Question 27 of 150

27. Question

1 points

For which of the following would you use a gingival margin trimmer?

To remove calculus under the gingiva.
To smooth the edges of a restoration.
To smooth the floor of a cavity prior to filling it
To determine how far below the gingiva the calculus extends

Question 28 of 150

28. Question

1 points

Which of the following is considered the dental industry’s “gold standard” in restorative materials?

Acid-etch composite.
Amalgam.
Dentin bonding material.
Gold.

Question 29 of 150

29. Question

1 points

Which of the following is NOT a correct technique to employ when removing calculus

Remove the calculus by shaving it in thin layers.
Keep as much of the blade of the scaler on the tooth as possible.
Use short, decisive strokes.
Direct the strokes in a way that protects the tissues from trauma

Question 30 of 150

30. Question

1 points

Which of the following is the appropriate working distance between the patient’s oral cavity and the operator’s nose?

3-5 inches.
20-22 inches.
14-16 inches.
8-10 inches

Question 31 of 150

31. Question

1 points

Which of the following is NOT an appropriate way to begin nutritional counseling for oral health?

“Do you know why some teeth decay?”
“Tell me a little bit about what you eat each day.”
“Your teeth are a mess. What are you eating?”
“Has anyone ever talked to you about how sugar and bacteria can harm teeth?”

Question 32 of 150

32. Question

1 points

Gutta percha is used as a(n):

Indirect restorative material.
Impression material.
Dental drug.
Endodontic material.

Question 33 of 150

33. Question

1 points

A patient has diabetes. What may need to be adjusted before a surgical dental procedure?

Penicillin.
Insulin.
Sodium fluoride.
Aspirin.

Question 34 of 150

34. Question

1 points

What is considered hypertensive blood pressure?

110/70 mmHg.
120/80 mmHg.
130/75 mmHg.
140/90 mmHg.

Question 35 of 150

35. Question

1 points

For which of the following procedures would you use utility wax?

Locating the high spot on a restoration.
To give an impression tray extra height.
To take an impression of the patient's tooth prior to restoration.
To make a model of a crown for restoration.

Question 36 of 150

36. Question

1 points

All recall postcards should be kept in:

A patient's chart.
A chronological file of the patient's recall appointments.
A chronological file according to patient's date of birth.
An alphabetical file.

Question 37 of 150

37. Question

1 points

If a patient is having an epileptic seizure, he or she should be positioned laterally and given:

0.06 mg. of epinephrine.
0.03 mg. of diazepam.
50 ml. of 20 percent dextrose.
200 mg. of hydrocortisone.

Question 38 of 150

38. Question

1 points

Which of the following is the densest gypsum product used in dentistry?

Dental stone.
Plaster of Paris.
Model plaster.
Die stone.

Question 39 of 150

39. Question

1 points

You should chose a flat end tapered diamond bur for which of the following procedures?

To open a tooth for endodontic treatment.
To smooth the floor of a cavity preparation.
To reduce a tooth for crown preparation when a square shoulder is needed
To reduce a tooth for crown preparation when a smooth floor is needed

Question 40 of 150

40. Question

1 points

A Hollenback carver may be used to do all but which of the following?

Shape matrix bands.
Remove excess restorative material
Carve occlusal anatomy.
Carve interproximal anatomy.

Question 41 of 150

41. Question

1 points

Which of the following instruments would you choose to debride diseased material from a tooth socket?

Reamer.
Jacquette.
Surgical curette.
Periodontal file.

Question 42 of 150

42. Question

1 points

Which of the following would you use to remove supragingival calculus from the lingual surface of teeth?

Oblique stroke.
Horizontal stroke.
Vertical stroke.
Exploratory stroke.

Question 43 of 150

43. Question

1 points

For which of the following procedures would you choose a flame diamond bur?

When a square shoulder is needed for a crown preparation.
When a parallel wall is needed in a crown preparation.
When a flat floor is needed in a crown preparation.
When a beveled subgingival margin is needed for a crown preparation.

Question 44 of 150

44. Question

1 points

Diabetes places a patient at greater risk for all but which of the following dental complications?

Thickening of tooth enamel.
Tooth decay.
Periodontal disease.
Infections of the teeth and jawbone.

Question 45 of 150

45. Question

1 points

patient could suffer from bleeding complications if he or she has a(n) _____ condition.

Lung.
Infectious.
Eye.
Kidney.

Question 46 of 150

46. Question

1 points

An adult should get which of the following amounts of fluoride each day for optimal dental health?

15 mg.
.5 mg.
100 mg.
4 mg.

Question 47 of 150

47. Question

1 points

The recommended procedure for a patient going into insulin shock is to:

Provide the patient with sugar or a sweetened fruit drink.
Send patient home to rest.
Administer an insulin injection.
Provide the patient with protein.

Question 48 of 150

48. Question

1 points

Which of the following would you choose to open a tooth for endodontic treatment?

Beavertail burnisher.
Inverted cone bur.
Round bur.
Cross-cut bur.

Question 49 of 150

49. Question

1 points

How often should a patient change his or her toothbrush?

6 months.
1 year.
3 months.
2 months.

Question 50 of 150

50. Question

1 points

Glass ionomer cement are NOT recommended for which application?

Root caries.
Fissure sealants.
Non-load bearing restorations.
Load-bearing restorations.

Question 51 of 150

51. Question

1 points

In using the bisecting angle technique, the angulation of the central ray should be:

90 degrees to the imaginary bisector.
90 degrees to the film.
90 degrees to the long axis of the tooth.
90 degrees to the contact area.

Question 52 of 150

52. Question

1 points

What is the arrow on the image pointing to?

A canker sore.
An abscess.
Trench mouth.
A cracked tooth.

Question 53 of 150

53. Question

1 points

Low energy x-ray photons do not add value to the image and

Can be removed with a filter to protect the patient.
Do not add to the amount of radiation a patient receives.
Should not be filtered out.
Are visible to the naked eye.

Question 54 of 150

54. Question

1 points

A LED safelight ______.

Does not require a filter.
Requires a filter.
Requires long exposure.
Is too bright for a darkroom

Question 55 of 150

55. Question

1 points

One factor to keep the patient from extra radiation exposure is

To use slow image receptors.
To take multiple images and retakes.
To make sure that film is properly exposed and correct processing techniques are used.
To only take x-rays every five years.

Question 56 of 150

56. Question

1 points

The cephalometric view in extraoral radiography:

Evaluates fractures in the mandible.
Is used for implants
Defines the articular disk.
Measures changes in arch size.

Question 57 of 150

57. Question

1 points

In addition to diagnosis, dental radiographs are also commonly used for all of the following EXCEPT for:

Education.
Referrals.
Legal purposes.
Advertising.

Question 58 of 150

58. Question

1 points

When processing an intraoral radiograph in an automatic machine, what would cause the developer to require a shorter time?

Higher temperature.
Light.
Lower temperature.
Darkness.

Question 59 of 150

59. Question

1 points

Dosimeters perform which function?

Shield employees from radiation. .
Reduce radiation levels
Provide a measure of radiation.
Filter radiation.

Question 60 of 150

60. Question

1 points

The penetrating power of the x-ray beam is

Contrast.
Exposure time.
Millamperage.
Kilovolt peak

Question 61 of 150

61. Question

1 points

Strict adherence to darkroom conditions is important in radiographic processing PRIMARILY because:

The developer loses its strength when exposed to light.
Light can damage the processing equipment.
Light affects the chemicals used to fix the film.
Radiographic film is highly sensitive to light.

Question 62 of 150

62. Question

1 points

Fading of radiographs is caused by:

Over-developed film.
Under-developed film.
Over-fixed film.
Under-fixed film.

Question 63 of 150

63. Question

1 points

Stochastic effects of radiation show up in an individual within

Minutes.
Hours.
Months.
Years.

Question 64 of 150

64. Question

1 points

If a film is not processed properly

The patient will have to retake the image, causing more radiation exposure only
The film will come out underdeveloped only.
The patient will have to retake the image, causing more radiation and the film will come out underdeveloped.
None of the above

Question 65 of 150

65. Question

1 points

A MAJOR difference between digital radiography and conventional radiography is:

Digital radiography increases patient exposure to X-ray radiation.
Conventional radiography reduces patient exposure to X-ray radiation
Digital radiography uses toxic chemicals.
Digital radiography does not require processing

Question 66 of 150

66. Question

1 points

When properly used, x-ray equipment does NOT:

Leak even slight amounts of radiation.
Require exposure monitoring.
Pose a health risk.
Require routine testing and inspections.

Question 67 of 150

67. Question

1 points

Which of the following films exposes patients to the least amount of radiation?

C speed.
F speed.
E speed.
D speed.

Question 68 of 150

68. Question

1 points

How long should film be agitated in the rinse tank?

30 seconds
15 seconds
45 seconds
20 seconds

Question 69 of 150

69. Question

1 points

A radiation contingency or emergency plan should contain all of the following information EXCEPT for:

Equipment manufacturer information.
Emergency contact information.
Safety procedures.
Personnel records.

Question 70 of 150

70. Question

1 points

The term, Rad, is used to illustrate the

The lack of radiation.
Lowest radiation dose
Highest radiation dose.
Absorbed radiation dose.

Question 71 of 150

71. Question

1 points

An increase in the voltage and milliamperes affects the patient by:

Increasing the exposure time.
Increasing scatter.
Reducing scatter.
Reducing the exposure time.

Question 72 of 150

72. Question

1 points

Which radiograph should you use if a patient has an impacted wisdom tooth?

Bitewing.
Occlusal.
Periapical.
Panoramic.

Question 73 of 150

73. Question

1 points

If a patient notices redness and inflammation of their skin after an x-ray they may have

X-ray dermatitis.
Radiation disease.
Post-radiation effect.
Sun damage.

Question 74 of 150

74. Question

1 points

What is NOT necessary to create an accurate radiograph

Exposure.
Positioning
Processing.
Speed.

Question 75 of 150

75. Question

1 points

Labeling information on mounts should include all of the following information except:

The patient's birthdate.
The full name of patient.
The name of the X-ray operator.
The exposure date.

Question 76 of 150

76. Question

1 points

Why should the developer solution should be kept covered?

To prevent reduction.
To prevent oxidation.
To assist with oxidation.
To concentrate the solution.

Question 77 of 150

77. Question

1 points

Extraoral films are taken:

Inside the patient's mouth.
Outside the patient's mouth.
From the back of the patient's head.
From the front of the patient's head.

Question 78 of 150

78. Question

1 points

Stacy is trying to identify various radiographs in a patient file, but there are no teeth to serve as landmarks. What other landmark can Stacy use to recognize it as a maxillary molar area radiograph?

Tuberosity.
Mental foramen.
Incisive foramen.
Mandibular canal.

Question 79 of 150

79. Question

1 points

What is reticulation?

Dark image.
Dark lines.
Cracked appearance.
Clear image.

Question 80 of 150

80. Question

1 points

Basic dental radiography training should include all of the following EXCEPT for:

Radiography hazards.
Film processing.
Intra-oral radiography technique.
Dental treatment plans.

Question 81 of 150

81. Question

1 points

For the patient’s safety, all x-ray units should be surveyed

Every 10 years.
Every 4 years or after any changes are made.
Only when first installed.
Prior to use on every patient.

Question 82 of 150

82. Question

1 points

The patient has _____ of the gum and bone. IStock 000010809152XSmall%20(1)

Periodontal disease.
Oral cancer.
Mouth sores.
None of the above.

Question 83 of 150

83. Question

1 points

What option does digital imaging have that traditionally radiography lacks?

2-D.
3-D.
Clear pictures.
Accuracy.

Question 84 of 150

84. Question

1 points

When preparing to mount a patient’s film, the film should be viewed in correct anatomical position, which means the radiographer is what?

Turned away from the patient.
Lined up with the patient's jaw line.
Facing the patient.
At a 45 degree angle from the patient.

Question 85 of 150

85. Question

1 points

In order to examine the dental arches in tracings, which technique would you use?

Panoramic.
Extraoral.
Cephalometric.
Intraoral

Question 86 of 150

86. Question

1 points

When the wrong side of the film faces the tube, the result is:

A poor image.
Double exposed image.
Normal image. .
A black line in the image

Question 87 of 150

87. Question

1 points

Personal protective equipment, such as lead aprons, are said to reduce at least ______ of radiation exposure in employees.

80%
50%
25%
100%

Question 88 of 150

88. Question

1 points

What shape should the mandible be in an accurate panoramic image?

Flat.
V-shape.
Rounded.
U-shape.

Question 89 of 150

89. Question

1 points

What radiation goals should dental operators strive to attain?

ALARA.
MRL.
mSv.
REM.

Question 90 of 150

90. Question

1 points

How far below the apex does the periapical radiograph show?

1 to 2 mm.
2 to 3 mm
3 to 4 mm.
4 to 5 mm

Question 91 of 150

91. Question

1 points

Rectangular collimation increase subject contrast by:

Reducing excessive scatter.
Increasing excessive scatter.
Reducing the radiation intensity.
Increasing the beam field

Question 92 of 150

92. Question

1 points

What is used to take a panoramic radiograph?

Film cassette.
F speed.
D speed.
Bitewing.

Question 93 of 150

93. Question

1 points

Which piece of information is most important when labeling a film mount?

Patient's name.
Address of dentist office
The patient's appointment time.
Name of dentist.

Question 94 of 150

94. Question

1 points

When a patient’s bite block is placed too far back, how will the teeth appear?

Sharp.
Narrow
Wider.
Dark.

Question 95 of 150

95. Question

1 points

Which piece of information is most important when labeling a film mount?

The patient's appointment time.
The name of the dental facility.
The patient's name.
The patient's emergency contact.

Question 96 of 150

96. Question

1 points

The varying shades of gray present in an X-ray image are known as:

Contrast.
Density.
Detail.
Geometric distortion.

Question 97 of 150

97. Question

1 points

According to the x-ray, what is the condition of the patient’s teeth?

They are crooked.
They all have cavities.
There is impaction.
They are milk teeth.

Question 98 of 150

98. Question

1 points

If a patient is having a panoramic radiograph done

The lead apron will cover both the front and back of their body.
No lead apron is needed.
The lead apron will only cover the patient’s back.
The lead apron will only cover the patient’s front

Question 99 of 150

99. Question

1 points

Effective cross-contamination prevention is critical for direct digital radiography sensors which are:

Highly sensitive.
Expensive.
Not sterilizable.
Prone to contamination.

Question 100 of 150

100. Question

1 points

A dental assistant wears glasses. What is the procedure for eyewear?

They offer protection.
Wear glasses under eyewear.
Wear glasses over eyewear.
Buy prescription goggles.

Question 101 of 150

101. Question

1 points

A dental team is looking for a new location for their clinic. The team should avoid selecting an office with:

Carpeting in the waiting area.
Carpeting in the instrument processing area.
Wood floors in the reception area.
Tile floors in the lavatory.

Question 102 of 150

102. Question

1 points

Which of the following can increase the risk of transmitting pathogens?

Short glove.
Cold environment.
Latex allergy.
Drape

Question 103 of 150

103. Question

1 points

When following the instructions for putting on Personal Protective Equipment, which item is put on last?

Protective eyewear.
Surgical face mask.
Protective gowns.
Gloves.

Question 104 of 150

104. Question

1 points

Where are chemicals listed?

Material Safety Data Sheet.
Chemical Warning Label.
Chemical Inventory Form.
Exposure control plan.

Question 105 of 150

105. Question

1 points

What should the pressure of steam reach in an autoclave?

15 psi.
25 psi.
10 psi.
5 psi.

Question 106 of 150

106. Question

1 points

What is the most definitive way of assessing the sterilization process?

Antiseptic indicator.
Process indicator.
Biological monitor.
Dosage indicator.

Question 107 of 150

107. Question

1 points

Areas that may be touched in the radiation room that need to be disinfected, are MOST likely touched by whom?

The dentist.
The patient.
The assistant.
The operator.

Question 108 of 150

108. Question

1 points

When preparing a high-speed hand piece for sterilization, you should

Soak it in a disinfectant.
Disassemble it.
Flush it, wipe it down with alcohol, and bag it.
Spray it with a disinfectant.

Question 109 of 150

109. Question

1 points

Where should the sharps container typically be?

Treatment room.
Main office.
Central hall.
Lab.

Question 110 of 150

110. Question

1 points

What is Not a mode of transmission for infectious disease?

Direct contact.
Indirect contact.
Barrier.
Inhalation

Question 111 of 150

111. Question

1 points

Which of the following breaks the link between the mode of transmission and portal of entry?

Exercise.
Hand washing.
Covering mouth when coughing.
Proper disposal.

Question 112 of 150

112. Question

1 points

What does the number “3” in the red section of the chemical hazard label represent?

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Minimal health hazard.
Extreme reactivity hazard.
Special hazard.
Serious flammability hazard

Question 113 of 150

113. Question

1 points

Leaks in nitrous oxide tanks commonly occur from all of the following except for:

Hoses.
Fittings.
Tank.
Connectors.

Question 114 of 150

114. Question

1 points

A type I latex reaction may be triggered by __

Powder.
Ventilation.
Barriers.
Aero allergens.

Question 115 of 150

115. Question

1 points

A maximum number of ____ rems per quarter is established by OSHA as the allowable amount of an employees exposure of hands/forearms and feet/ankles to ionizing radiation?

25
18.75
22.25
27.15

Question 116 of 150

116. Question

1 points

What manufacturer details must be provided to employees regarding hazardous chemicals?

Material Safety Data Sheet.
OSHA regulations.
CDC regulations.
Exposure control plan

Question 117 of 150

117. Question

1 points

A dental employee in a large dental practice accidently sticks herself with a contaminated needle (percutaneous needle injury). The employer is required to:

Reprimand the employee.
Document the incident on the sharps injury log if the facility has over 10 employees.
Reassign the employee.
Obtain safer devices.

Question 118 of 150

118. Question

1 points

When must hands be cleaned in the dental setting? Before:

Going to the restroom/lavatory.
Taking patient notes.
Each and every episode of dental treatment.
Removing gloves.

Question 119 of 150

119. Question

1 points

How far should a face shield extend?

Above the nose.
Above the chin.
Below the nose.
Below the chin.

Question 120 of 150

120. Question

1 points

It is suspected that a dental assistant has been exposed to Hepatitis B. According to OSHA, what is the maximum amount of time she has to undergo a blood draw to confirm or refute this?

24 hours.
6 hours.
12 hours.
2 hours

Question 121 of 150

121. Question

1 points

The dental assistant is being careful to follow the steps outlined in the sterility assurance process. Which of the following would be her final step?

Choose the procedure and identify the proper way to carry it out.
Create a step-by-step guide outlining the correct procedure.
Integrate procedure into office training program.
Monitor performance of the procedure.

Question 122 of 150

122. Question

1 points

A hypersensitive person secretes a massive amount of histamine. What is the reaction?

Anaphylaxis.
Antigen.
Antitoxin.
Aero allergens.

Question 123 of 150

123. Question

1 points

Dosage indicators must be used in conjunction with which of the following?

Biological monitors.
Blue tape.
Process indicators.
Red tape

Question 124 of 150

124. Question

1 points

The majority of organisms found in dental water lines are common heterotrophic water bacteria. These organisms can pose a problem for which patients if exposed to these organisms from poorly maintained lines?

Immunocompromised patients.
Immunocompetent patients age 25 - 40.
Immunocompetent patients with dental plague.
Immunocompetent patients on pain medications.

Question 125 of 150

125. Question

1 points

What does the number “0” in the yellow section of the chemical hazard label represent?

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Minimal reactivity hazard.
Extreme flammability hazard
Serious health hazard.
Slight flammability hazard.

Question 126 of 150

126. Question

1 points

What is necessary after rinsing an eye exposed to acid etched material before reaching medical help?

Nothing.
Saline drops.
Patch.
Dark glasses.

Question 127 of 150

127. Question

1 points

What is a potential patient risk with dental saliva ejectors?

Back flow.
Puncture/cut.
Radiation exposure.
Bruising.

Question 128 of 150

128. Question

1 points

Besides blood, what is a common transmission of hepatitis?

Through eyes.
Skin.
Hair.
Ears.

Question 129 of 150

129. Question

1 points

The skin of a patient contains microorganisms. Which of the following would be used to kill them?

Disinfectant.
Antibiotic.
Antiseptic.
Sterilant.

Question 130 of 150

130. Question

1 points

Which of the following packaging materials is NOT used with steam autoclave?

Paper wrap.
Aluminum foil.
Nylon plastic tubing.
Paper/plastic peel pouches.

Question 131 of 150

131. Question

1 points

Employers must notify the Occupational Safety and Hazard Administration how soon after an incident involving three or more workers:

2 hours.
8 hours.
12 hours.
24 hours.

Question 132 of 150

132. Question

1 points

The dental assistant is using the glass bead sterilizer in order to sterilize dental instruments. What temperature should the sterilizer be in order to perform its duty?

340°F.
450°F
270°F.
270°F. 250°F.

Question 133 of 150

133. Question

1 points

The dental assistant is removing microbes from the instruments but not killing them. What is this known as?

Cleaning.
Disinfecting.
Sterilizing.
None of these.

Question 134 of 150

134. Question

1 points

How does the dental dam protect the patient

Moisture control.
Prevent aspiration.
Patient control.
Isolation of operating field

Question 135 of 150

135. Question

1 points

What is one of the most common chemical hazard warning labels in the workplace.

Keep out.
Flammable solvents.
Warm to touch.
Danger.

Question 136 of 150

136. Question

1 points

Which of the following indicates that the sterilized packet was exposed to the necessary heat?

Antiseptic indicator.
Process indicator.
Biological monitor.
Dosage indicator.

Question 137 of 150

137. Question

1 points

What is NOT used for irrigation?

Deionized water.
Ionized water.
Sterile water.
Distilled water.

Question 138 of 150

138. Question

1 points

Cross-contamination refers to:

Not changing PPE between patients.
Germs within or from the dental setting being transferred to other areas of the dental office or outside of the dental setting.
Introduction of germs and bacteria to a new "host".
Improved sterilization of dental instruments.

Question 139 of 150

139. Question

1 points

Stage three of infectious disease is what

Incubation.
Prodromal.
Acute.
Convalescent.

Question 140 of 150

140. Question

1 points

A problem with hand soaps and detergents is they can sometimes:

Cause irritation or dermatitis.
Leave the hands free of transient microorganisms. Provide a bacteria barrier.
Leave the hands free of transient microorganisms. Provide a bacteria barrier.
Reduce resident microflora

Question 141 of 150

141. Question

1 points

What is the first step to turning off oxygen in an emergency situation?

Turn the knob counter clockwise.
Attach the delivery system to the patient.
Remove the delivery system from the patient.
Turn the knob clockwise

Question 142 of 150

142. Question

1 points

Bloodborne Pathogens training records must be kept for:

1 year.
5 years
3 years
10 years

Question 143 of 150

143. Question

1 points

Sterile instruments are stored in an area that is away from heat and _____.

Moisture.
Steamed.
Dry.
Warm.

Question 144 of 150

144. Question

1 points

Which standard is used to protect employees from infection?

Isolation Standard.
Sanitation Standards.
Traps bacteria Standard.
Blood borne Pathogens Standard

Question 145 of 150

145. Question

1 points

How many times should a surface be sprayed and wiped to be disinfected?

4
1
3
2

Question 146 of 150

146. Question

1 points

Do gloves provide complete protection from hand exposure to infectious disease?

Yes, always.
Yes, if double gloved.
Yes, as long the gloves are latex.
No.

Question 147 of 150

147. Question

1 points

Hand hygiene, cleaning/disinfecting office surface and the use of personal protective equipment are all example of what?

Universal precautions.
Office procedure.
Infection precautions.
Employee safety.

Question 148 of 150

148. Question

1 points

What is NOT a type of infectious waste?

Sharps.
Blood soaked material
Barriers.
Pathologic waste.

Question 149 of 150

149. Question

1 points

According to OSHA, what warning will replace a biohazard label?

Nothing.
Red containers.
Orange bags.
Content label.

Question 150 of 150

150. Question

1 points

The material safety data sheet for Clearfil Se Bond; Primer lists H317 as a hazard. What is H317?

May cause an allergic skin reaction.
Causes skin irritation.
Causes eye irritation. .
None of these

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