DENTAL ASSISTANT ONLINE EXAM PRACTICE KIT 7

Question 1 of 150

1. Question

1 points

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

Deep caries.
Temporary cement
Pulp tissue.
Necrotic tissue.

Question 2 of 150

2. Question

1 points

Which human teeth are sometimes known as multicuspids?

Incisors.
Canines.
Eye teeth.
Molars.

Question 3 of 150

3. Question

1 points

An artificial tooth suspended from a retainer is known as which of the following?

Pontic.
Post.
Crown.
Matrix band.

Question 4 of 150

4. Question

1 points

The petty cash fund is used to purchase:

Dental supplies.
Staff incentives.
Incidental items.
Office equipment.

Question 5 of 150

5. Question

1 points

Which of the following is NOT an appropriate technique in bur exchange?

The operator should hold the handpiece over the patient's chest.
The operator should hold the handpiece over the patient's chin
The assistant should remove the bur.
The assistant should give the newly attached bur a tug to ensure that it is firmly attached.

Question 6 of 150

6. Question

1 points

All but which of the following can be used to remove excess restorative material?

Hollenback carver.
Discoid carver.
Frahm carver.
Tanner carver.

Question 7 of 150

7. Question

1 points

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

Creating a beveled subgingival margin during crown preparation.
Reducing the lingual aspect of the anterior teeth during crown preparation
Contouring the gingiva.
Contouring the alveolar bone

Question 8 of 150

8. Question

1 points

Which of the following instruments would you choose to remove excess tissue and shape soft tissue?

Periodontal scissors.
Periodontal file.
Periodontal knife.
Periodontal rongeurs.

Question 9 of 150

9. Question

1 points

An infiltrative needle is used for all but which of the following types of anesthesia?

Maxillary injections.
Anesthetizing small areas.
Mandibular injections.
Anesthetizing two, or at most three, teeth at a time.

Question 10 of 150

10. Question

1 points

A patient who had a recent joint replacement is at risk of ____

Hyperglycemia.
Endocarditis.
Angina.
Insulin shock.

Question 11 of 150

11. Question

1 points

Which of the following is considered the best choice of restorative material for places where recurrent decay is a problem?

Compomer.
Glass ionomers.
Amalgam.
Gold.

Question 12 of 150

12. Question

1 points

Which of the following is NOT true of surgical burs

They are used with the high-speed handpiece.
They are used with the low-speed handpiece.
They are used to reduce the alveolar bone. .
They are used to contour the tooth structure

Question 13 of 150

13. Question

1 points

The zone in which the assistant is placed during treatment so that he or she can have easy access to materials and equipment is known as which of the following.

Operator zone.
Assistant zone.
Transfer zone.
Static zone.

Question 14 of 150

14. Question

1 points

Which of the following is a Class I movement?

Picking up a cotton roll with the fingers.
Transferring an instrument to the operator with the index and middle fingers.
Extending the arm to retrieve something from the supply tub.
Reaching for a handpiece.

Question 15 of 150

15. Question

1 points

What type of professional fluoride application has the least offensive taste?

Varnish.
Foam.
Gel.
Paste.

Question 16 of 150

16. Question

1 points

For which of the following procedures would you use a hatchet

To smooth the floor of a cavity restoration.
To cut away carious material.
To refine cavity walls.
To plane enamel.

Question 17 of 150

17. Question

1 points

When setting up a treatment room, all instruments should be placed in which of the following?

Static zone.
Operator zone
Assistant's zone.
Transfer zone.

Question 18 of 150

18. Question

1 points

A patient who has had a tooth 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?A

Alveolar osteitis.
Gingival abscess.
Periapical abscess.
Periodontal disease.

Question 19 of 150

19. Question

1 points

Which of the following is NOT likely to cause the patient to gag during a maxillary impression?

Using water that is cool but not cold
Using very cold water.
Overfilling the tray
Using a slow-set algaenate.

Question 20 of 150

20. Question

1 points

When applying topical fluoride gel via mouth tray, which of the following should be placed first?

Mandibular tray.
Maxillary tray.
Saliva ejector.
Aspirator.

Question 21 of 150

21. Question

1 points

Which of the following instruments is used to move soft, carious decay?

Elevator.
Surgical bur.
Spoon excavator
Osteotome.

Question 22 of 150

22. Question

1 points

Which of the following is the SMALLEST size of tapered fissure straight bur?

169
556
1
½

Question 23 of 150

23. Question

1 points

Which of the following instruments would you NOT place on the instrument tray for a composite procedure?

Spoon excavator.
Composite burnisher.
Sandpaper discs.
wedge.

Question 24 of 150

24. Question

1 points

Copies of prescriptions are stored:

In the patient's file.
With the health history form
In the dentist's private office.
In with the patient's dental chart.

Question 25 of 150

25. Question

1 points

The semisolid phase of a colloid is known as which of the following

Sol.
Gel.
Titrate.
Alginate.

Question 26 of 150

26. Question

1 points

What is not a risk of poor nutrition?

Salivary gland atrophy.
Infectious disease.
Systemic infection. .
Periodontal disease

Question 27 of 150

27. Question

1 points

An infiltrative needle is used for all but which of the following types of anesthesia?

Maxillary injections.
Block anesthesia.
Anesthetizing small areas.
Anesthetizing areas of two to three teeth at most.

Question 28 of 150

28. Question

1 points

A patient with a racing pulse and slight numbness in the arm is likely to be experiencing a:

Diabetic episode.
Shock.
Possible heart attack.
Epileptic episode.

Question 29 of 150

29. Question

1 points

The loose connective tissue which resides inside a tooth is known as which of the following?

Dentin.
Calculus.
Pulp.
Canaliculi.

Question 30 of 150

30. Question

1 points

All of the following materials are used for veneers EXCEPT for

Composite resin.
Gold.
Porcelain.
Zirconia.

Question 31 of 150

31. Question

1 points

All but which of the following should be on the instrument tray for a treatment involving multiple extractions?

High speed handpiece.
Rongeurs.
Bone file. .
Low speed handpiece

Question 32 of 150

32. Question

1 points

How many tubercles would you expect to find on the crown of the first upper molar in a set of permanent teeth?

Six.
Three
Four.
Five.

Question 33 of 150

33. Question

1 points

In four-handed dentistry, movements that involve only the fingers are known as which of the following?

Class I movements.
Class IV movements.
Class II movements.
Class III movements.

Question 34 of 150

34. Question

1 points

Which of the following does NOT indicate that a patient recently took an illegal substance?

Strong enamel.
Dilated pupils.
Aggression.
Arrhythmia.

Question 35 of 150

35. Question

1 points

A mouth rinse to prevent tooth decay should contain which of the following?

Antibacterial agents.
Mint.
Baking soda.
Fluoride.

Question 36 of 150

36. Question

1 points

An oblique stroke occurs at which of the following degrees in relation to the tooth surface?

90 degrees.
45 degrees.
60 degrees.
30 degrees.

Question 37 of 150

37. Question

1 points

When a patient arrives for an early morning appointment and complains of not feeling well, has clammy skin, a racing pulse, and slight numbness in the arm, the healthcare worker should:

Wait for the dentist to arrive.
Call EMS immediately.
Contact the patient's physician.
Call the patient's spouse for information.

Question 38 of 150

38. Question

1 points

What precaution is the most important with a patient who has active TB?

Wear latex gloves for procedure.
Wear a mask for the procedure.
Procedures performed in a hospital.
Do not perform any dental procedure.

Question 39 of 150

39. Question

1 points

Materials which make the pellicle, calculus, and biofilm apparent to the patient are known as which of the following?

Disclosing agents.
Cariostatics.
Cariogenerators.
Prophylactics.

Question 40 of 150

40. Question

1 points

All but which of the following are signs of oral cancer?

Difficulty swallowing.
Rapid weight gain.
Velvety red or white patches in the mouth.
Feeling of something being caught in the throat.

Question 41 of 150

41. Question

1 points

Replicas of prepared teeth which are generally removable from the working cast are known as which of the following?

Casts.
Dies.
Posts.
Impressions.

Question 42 of 150

42. Question

1 points

The low-speed dental handpiece is an appropriate instrument for all but which of the following?

Polishing teeth.
Polishing restorations
Removing soft carious material.
Cutting teeth.

Question 43 of 150

43. Question

1 points

Red and swollen gums are associated with a lack of ______

Dairy.
Sugar.
Vitamin C.
Carbohydrates.

Question 44 of 150

44. Question

1 points

Which of the following can be used to tuck the dental dam into place?

T-ball burnisher.
Football burnisher
Beavertail burnisher.
Acorn burnisher.

Question 45 of 150

45. Question

1 points

A defibrillator should only be used when the patient _____

Cannot breathe.
No longer has a heart beat
Is hemorrhaging.
Is in a state of shock.

Question 46 of 150

46. Question

1 points

Copies of prescriptions are stored:

In the patient's file.
With the health history form.
In the dentist's private office.
In with the patient's dental chart

Question 47 of 150

47. Question

1 points

When preparing an instrument tray for a prophylactic scaling, cutterage, and polishing procedure, all but which of the following should be included?

Periodontal probe.
Gracey curette.
Dental floss.
Suture set up.

Question 48 of 150

48. Question

1 points

Which of the following rubber tips is the most abrasive?

Brown.
White
Green. X
Green. Blue.

Question 49 of 150

49. Question

1 points

The frenulum does which of the following?

Attaches each lip to the corresponding gum.
Divides the soft and hard palates.
Protects the dental pulp from infection.
Crowns the cuspid teeth

Question 50 of 150

50. Question

1 points

A material and safety data sheet accompanies the purchase of

Orange solvent.
X-ray film
Glutaraldehyde solution.
All of the above.

Question 51 of 150

51. Question

1 points

What will NOT necessarily appear in a radiograph

Bone loss.
Caries.
Impacted teeth.
Soft tissue disease

Question 52 of 150

52. Question

1 points

Extraoral film is used for:

Bitewing X-rays.
Occlusal X-rays
Panoramic X-rays.
Periapical X-rays.

Question 53 of 150

53. Question

1 points

Alex applies a thyroid lead collar to her patient before beginning the scan. What is the main purpose of the thyroid lead collar?

To catch any patient body fluids.
To protect the patient's thyroid gland and parathyroid.
To help relax the patient during the procedure.
To protect the patient's cardiac muscles.

Question 54 of 150

54. Question

1 points

All of the following are common types of extraoral radiographs except:

Cephalometric.
Occlusal.
Panoramic.
TMJ.

Question 55 of 150

55. Question

1 points

Some automatic processors do not need a darkroom because

They have daylight loaders.
Warmer chemical solutions.
They have rollers.
They have stronger processing chemicals.

Question 56 of 150

56. Question

1 points

What is a common feature that allows radiograph images to be previewed on the screen without exposing the patient to unnecessary radiation?

Review-Change-Complete. .
Last-Image-Hold
View-Assess-Process.
Last-Image-View.

Question 57 of 150

57. Question

1 points

When taking a panoramic extraoral X-ray, the patient’s tongue should be:

On the floor of the mouth.
On the roof of the mouth.
To the left side of the mouth.
Against the mandibular anterior teeth.

Question 58 of 150

58. Question

1 points

A prescription for x-rays can only be written by

The dentist.
The dental hygienist
Anyone in the dental office.
The dental assistant.

Question 59 of 150

59. Question

1 points

Radiopaque refers to:

The gray areas on an X-ray.
The geometric distortion of an X-ray.
The black areas on an X-ray.
The light or white areas on an X-ray.

Question 60 of 150

60. Question

1 points

To prevent static marks on film, the operator should:

Agitate film hangers in the processing solutions.
Check for weak developing solution
Open film packets slowly to reduce static electricity.
Make sure that the films have been in the fixing solution for the appropriate amount of time.

Question 61 of 150

61. Question

1 points

When exposing radiographs, protective barriers are placed on all of the following except:

The X-ray unit buttons.
The dental chair.
The X-ray tube head.
The exposure button.

Question 62 of 150

62. Question

1 points

The roots of the patient’s teeth are ______.

Completely rotten.
Visible.
Mostly rotten.
Not visible.

Question 63 of 150

63. Question

1 points

The tube housing to an x-ray machine breaks while an operator is moving the tube. A patient was not present in the x-ray room. Since the equipment is old, radiation exposure is a concern. The dental operator was not wearing a dosimeter so the appropriate course of action would be:

Recommend the operator have a dose assessment conducted.
Repair the equipment without addressing the operators exposure
Require all personnel in the office receive dose assessments.
Quickly restore the equipment so the clinic can meet its workload.

Question 64 of 150

64. Question

1 points

The ADA discourages the use of short, closed, pointed plastic cones because:

Decrease scatter radiation.
Increase scatter radiation.
Intensify beams.
Decrease the kilovoltage

Question 65 of 150

65. Question

1 points

When a patient has no teeth, proper film placement is determined by:

The tongue.
The gums.
Previous X-ray films.
The location of anatomical structures on the face.

Question 66 of 150

66. Question

1 points

A radiograph has marks on it that resembling tire tracks. What caused the problem?

Reversed film.
Underexposure
Chin tipped down.
Double exposure.

Question 67 of 150

67. Question

1 points

Patients do not need to hold their own films in place with their hands, they can use

Collimators.
Dosimeters.
Place holders.
Film holders.

Question 68 of 150

68. Question

1 points

When mounting radiographs for future viewing, the mandibular teeth are always what?

Faded.
Pointing downward.
Blurred.
Pointed upward.

Question 69 of 150

69. Question

1 points

The parallel technique is _____ than the bisecting technique.

Easier.
Less accurate.
More difficult.
More accurate.

Question 70 of 150

70. Question

1 points

A patient has concerns regarding the hazards of dental radiation. To reassure him or her about the procedure, the dental worker should:

Explain that a lead apron and thyroid shield will be used.
Explain that a short cone paralleling technique will be used.
Explain that radiographs are done based on a specific time schedule.
Explain that the patient's concerns are based on inaccurate information.

Question 71 of 150

71. Question

1 points

Proper use of dosimeters includes:

Not tampering with it.
Turning it off when leaving work
Wearing it when receiving x-rays for personal care.
Wearing it at home.

Question 72 of 150

72. Question

1 points

The exposed silver halide crystals are removed from the film base in the:

Washing cycle.
Rinsing cycle.
Latent period.
Developing cycle.

Question 73 of 150

73. Question

1 points

Dental X-ray film should be stored in:

The treatment room.
A cool, dry place free from chemical contamination
The front office.
With other supplies and chemicals

Question 74 of 150

74. Question

1 points

An aluminum filter of 1 inch is necessary if the kilovoltage peak from a machine is _____.

35 kVp.
50 kVp.
60 kVp.
70 kVp.

Question 75 of 150

75. Question

1 points

There are three types of receptors in digital radiology, which is not one of them?

Complementary-metal-oxide-semiconductor.
Photo matching device.
Photo-stimulable phosphor.
Charge-coupled device.

Question 76 of 150

76. Question

1 points

Quality assurance is

Keeping the dental office clean.
Using high radiation levels to get a good image.
Keeping patient exposure low, while getting high-quality images
The pursuit of perfect images without safety concern

Question 77 of 150

77. Question

1 points

The x-ray room is BEST situated:

Near waiting areas.
Near dental operatories.
Near busy hallways.
Adjacent office workers.

Question 78 of 150

78. Question

1 points

On dental film, bone and teeth appear:

White.
Grey.
Black.
Brown

Question 79 of 150

79. Question

1 points

How often should hangers be washed?

Each month.
Each week.
Each day.
Each use.

Question 80 of 150

80. Question

1 points

Which item on a patient’s health history might present a radiation caution?

Recent back surgery.
Recent bone marrow transplant
Asthma and allergies.
Sexually Transmitted Disease

Question 81 of 150

81. Question

1 points

Which tooth is thought to be a guide to the patient’s skeletal position for a panoramic view?

Maxillary cuspid.
Premolar
Wisdom tooth.
Mandibular cuspid.

Question 82 of 150

82. Question

1 points

An advantage of panoramic radiography is

Anterior teeth are easy to see.
More time is required.
The patient is exposed to less radiation.
Increased sharpness.

Question 83 of 150

83. Question

1 points

What is the main difference between radiopaque and radiolucent structures?

Radiolucent structures appear dark on a radiograph.
Radiopaque structures deflect radiation.
Radiolucent structures are generally more dense.
Radiopaque structures appear darker on a radiograph.

Question 84 of 150

84. Question

1 points

Mounting the radiographic film on viewbox facilitates:

Processing.
Storing images
Exposure.
Studying images

Question 85 of 150

85. Question

1 points

How often should you change the solution on an automatic processor that does not have a roller?

Every day.
Every three weeks
Every month.
Every two weeks.

Question 86 of 150

86. Question

1 points

ONE difference between a mandibular and maxillary radiograph is the mandibular radiograph:

Will have a heavy white line bordering the jaw. Will not have a heavy
white line bordering the jaw
Have two large central incisors.
Have nasal septa

Question 87 of 150

87. Question

1 points

An example of an unnecessary health risk dental operators can take with radiography is:

Holding the tube head steady while taking an x-ray.
Standing behind a protective barrier.
Using film holders.
Standing out of the path of the primary beam.

Question 88 of 150

88. Question

1 points

When a black image appears, a quality assurance test should be done to:

Check the temperature of the developer.
Determine if the fixer and developer solutions were switched
To check the strength of the developer. .
To check the temperature of the fixer solution

Question 89 of 150

89. Question

1 points

A new patient to a dental office may be prescribed x-rays

Or be given the option to bring recently done x-rays from their previous dentist.
That emit high doses of radiation.
And must have insurance.
And will have no other option.

Question 90 of 150

90. Question

1 points

A panoramic film has few details and a gray color. What is the likely cause?

Bent film.
Cone cut.
Dark image.
Fogging.

Question 91 of 150

91. Question

1 points

Which orientation should radiographs of maxillary teeth be mounted? With the apices pointing:

Upward.
Downward
To the left.
To the right.

Question 92 of 150

92. Question

1 points

What is true of this patient’s lower wisdom teeth?

One has a cavity.
They are missing
They are leaning.
They are perfectly healthy and straight.

Question 93 of 150

93. Question

1 points

Of the following, which is visible on this x-ray?

Fillings only.
Fillings and wisdom teeth.
Wisdom teeth only.
None of the above

Question 94 of 150

94. Question

1 points

There are two factors that the operator should consider for radiation safety on patients. What are they?

Time and distance factors.
Time and movement factors
Distance and movement factors.
Heat and time factors.

Question 95 of 150

95. Question

1 points

To avoid fingerprints from appearing on the X-ray film:

The film should be hung correctly.
Gloves should be worn and the film should be held by its edges
The operator should wash his or her hands.
The operator should wear gloves

Question 96 of 150

96. Question

1 points

The type of X-ray film used to examine temporomandibular joint conditions is:

Occlusal film.
Periapical film.
Panoramic film.
Bitewing film

Question 97 of 150

97. Question

1 points

A dental clinic rotates the dental assistant radiograph to minimize exposure. Rotating operators is an example of which principle

Time.
Distance
Shielding.
Training.

Question 98 of 150

98. Question

1 points

Dental radiology’s goal is to obtain important information while

Keeping the patient as safe as possible.
Using as much radiation that is legally allowed.
Getting the image at all cost.
Retaking images until it is perfect.

Question 99 of 150

99. Question

1 points

What happens to chemicals that are not covered when they are stored?

They are not active.
They deteriorate.
They oxidize.
They are too strong.

Question 100 of 150

100. Question

1 points

What does the CDC recommend for cleaning sharp instruments to prepare for sterilization?

Hands.
Long handled brush.
Gloved hands.
Short handled brush.

Question 101 of 150

101. Question

1 points

Lead foil is considered an example of which type of waste

Hazardous waste.
General waste.
Pathologic waste.
Contaminated waste.

Question 102 of 150

102. Question

1 points

What may be applied to instruments that are prone to rust?

Sodium nitrite.
Sodium chloride.
Sodium nitrate.
Sodium hydroxide.

Question 103 of 150

103. Question

1 points

Water temperature should be ____when washing hands

Cold.
Cool
Warm.
Hot.

Question 104 of 150

104. Question

1 points

Of the following, which activity can help break the chain of infection between mode of transmission and portal of entry?

Promoting proper hygiene.
Maintaining clean dressings on wounds
Dental assistants wash hands before coming in contact with contaminated items.
Disinfecting.

Question 105 of 150

105. Question

1 points

Should gloves be washed as a measure of preventing cross contamination?

Yes, always.
No, never.
No, but only if punctured.
Yes but only if not punctured.

Question 106 of 150

106. Question

1 points

How is a mask removed?

With one hand.
By someone else
By the loops.
With both hands.

Question 107 of 150

107. Question

1 points

Each of the following are examples of barrier protection, except:

Paper cups.
Masks.
Gloves.
Uniforms.

Question 108 of 150

108. Question

1 points

In the radiography room, which of the following may or may not require a barrier?

Chair.
Floor.
Counter.
Electrical equipmet

Question 109 of 150

109. Question

1 points

What is a risk of nitrous oxide?

Sepsis.
Bacterial endocarditis.
Miscarriage.
increased fertility.

Question 110 of 150

110. Question

1 points

What is the recommended minimum number of oxygen tanks a dental office should have?

3
1
4
2

Question 111 of 150

111. Question

1 points

What is the recommended minimum number of oxygen tanks a dental office should have?

Contaminated.
Hazardous.
Infectious
Regulated.

Question 112 of 150

112. Question

1 points

Draining waterlines at the end of the day:

Removes biofilm from the walls of waterlines.
Prevents biofilm from growing on waterline walls overnight.
Kills biofilm colonies and microorganisms in water
Reduces the bacterial count by 97%.

Question 113 of 150

113. Question

1 points

How long can it take for symptoms of hepatitis B to develop?

180 days.
30 days.
200 days.
365 days.

Question 114 of 150

114. Question

1 points

Drug-resistant or difficult to treat bacteria such as methicillin-resistant staphylococcus aureus (MRSA) and Clostridium difficile are transmitted often:

In the clinical or hospital setting.
Intravenously via blood or body fluids.
Via contaminated water sources.
In communities or public places and result in epidemics

Question 115 of 150

115. Question

1 points

Which of the following is NOT true with regard to the medical records of employees with occupational exposure?

The records must be maintained for 20 years.
The records must remain confidential.
It must include a copy of the employees' vaccination status with the applicable date.
It must include the opinion of the HCP who examined the employee

Question 116 of 150

116. Question

1 points

What type of examination gloves are worn when a tight fit is not important

Latex.
Cloth.
Rubber.
Vinyl.

Question 117 of 150

117. Question

1 points

A patient who is accidentally punctured with a dirty needle requires medication. Who is authorized to write prescriptions in a dental office

All employees are authorized to write prescriptions.
Dentist only.
Dentist and assistant.
Hygienist.

Question 118 of 150

118. Question

1 points

What is parathesia?

Loss of sensation.
Skin rash.
Erythema.
Bacteria.

Question 119 of 150

119. Question

1 points

The reason metal surfaces and trap filters should not be cleaned with bleach is:

To prevent cross-contamination.
To avoid rusting the material.
Because bleach is not effective in disinfecting those items.
Because alcohol wipes are simpler to use, and the alcohol dries faster.

Question 120 of 150

120. Question

1 points

Of the following, which is NOT subject to the OSHA Bloodborne Pathogen Standard?

Dental office.
Hospital
Funeral home.
None of these.

Question 121 of 150

121. Question

1 points

When changing the ultrasonic cleaner solution, what PPE must be worn?

Goggles only.
Gloves only.
Mask only.
All.

Question 122 of 150

122. Question

1 points

The dental assistant is using rapid heat transfer. Of the following, what does NOT describe this type of sterilization?

The sterilization process is very fast.
Liquids cannot be sterilized.
Some rubber and plastics can be damaged.
The items still need to be dried after the cycle is complete

Question 123 of 150

123. Question

1 points

Which of the following will cause permanent skin damage?

ID.
Type I.
Type II.
Type IV.

Question 124 of 150

124. Question

1 points

The acceptable level for Gram-negative bacteria in dental unit water lines is equal to or less than:

200 cfu/mL.
300 cfu/mL
400 cfu/mL.
500 cfu/mL.

Question 125 of 150

125. Question

1 points

Burn hazards in a dental office include all of the following except for:

Caustic chemicals.
Electrical equipment.
Latex.
Curing light.

Question 126 of 150

126. Question

1 points

Which vaccine is used to prevent a common blood-borne pathogen?

Polio.
Hepatitis.
Chicken pox.
Measles.

Question 127 of 150

127. Question

1 points

Of these, which is NOT required to be included in the exposure control plan, as per OSHA?

Postexposure follow-up procedures.
Training procedures.
Must be created by a third party company.
Must be accessible to employees and be updated annually.

Question 128 of 150

128. Question

1 points

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

270°F.
250°F.
340°F.
450°F

Question 129 of 150

129. Question

1 points

Best practices for wearing gloves include:

Using gloves as an alternative to hand washing.
Using the perforated gloves.
Disposing of contaminated gloves with regular office waste.
Never washing single use gloves.

Question 130 of 150

130. Question

1 points

Latex can pose what problem in the dental office?

Some workers are hypersensitive to this product.
The product is very costly.
The product is non-biodegradable.
Latex gloves do not come in a variety of sizes.

Question 131 of 150

131. Question

1 points

Dental supplies and instruments should NOT be stored where?

In the central processing area.
Under the sink where it is dark and cool.
In a dry, uncovered container.
On a tray, without a towel covering the instruments

Question 132 of 150

132. Question

1 points

Heat-resistant tape is typically used when packaging instruments for what purpose?

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 133 of 150

133. Question

1 points

The autoclave sterilizes instruments through the use of

Dry heat.
Air.
Steam under pressure.
Chemicals under pressure.

Question 134 of 150

134. Question

1 points

Of these, which is NOT required to be included in the exposure control plan, as per OSHA?

Postexposure follow-up procedures. .
Training procedures
Must be created by a third party company.
Must be accessible to employees and be updated annually.

Question 135 of 150

135. Question

1 points

John is a patient who has been coming to the clinic for several years. The staff suspects he may have an alcohol problem based on his pattern of oral problems, health history, and behavior. The dental team can identify and help educate patients who suffer from alcohol or drug abuse. In this case, the BEST course of action would be to:

Counsel the patient regarding alcohol abuse.
Provide medication support to help him stop drinking.
Screen for risks or abuse, and refer to the appropriate professional if necessary.
Ignore the situation.

Question 136 of 150

136. Question

1 points

Which of the following agents can be used for the regular sterilization of dental unit waterlines?

Alcohol-based products.
Surface antimicrobial.
Liquid chemical sterilant.
Soap and water.

Question 137 of 150

137. Question

1 points

The gloves utilized during surgical procedures involving bone or periodontium are called:

Overgloves.
Sterile gloves.
Examination gloves.
Utility gloves.

Question 138 of 150

138. Question

1 points

A dental worker has developing solution splashed in her eyes. She should:

Immediately notify her employer
Flush her eyes with copious amount of water and then notify the employer.
Immediately document the incident.
Use saline eye drops to neutralize the developing solution

Question 139 of 150

139. Question

1 points

As per the quality assurance program, which of the following is an important aspect of radiography equipment that must be inspected each year?

Focal spot size.
Beam alignment and size
Stability of tubehead.
All of these.

Question 140 of 150

140. Question

1 points

Waterlines require special cleaning and disinfection because:

Biofilm is easily removed but highly toxic.
Biofilm is highly resistant and can amplify the bacteria in water
The water flow keeps colonies from forming in lines.
Waterlines are wide tubes usually.

Question 141 of 150

141. Question

1 points

With regard to needle safety, in 2001, a dental assistant in this state was required to follow OSHA’s federal mandate as well as her state’s laws regarding public healthcare facilities. What state would this be?

Massachusetts.
Maryland.
South Dakota.
Wyoming

Question 142 of 150

142. Question

1 points

Materials that are not disposable need to be _____

Never used.
Disposed of.
Disinfected.
Only used once a month

Question 143 of 150

143. Question

1 points

The discharge of limited quantities of blood and fluid substances into sewer lines is considered:

Safe, and require no further treatment or limitations on the amount in all 50 states
Safe; however, dental personnel should check local and state guidelines to determine what volume is acceptable.
Unsafe and dental clinics are required to pretreat such waste in all 50 states.
Unsafe at the levels discharged from dental clinics with more than four treatment rooms.

Question 144 of 150

144. Question

1 points

Keeping in line with sterility assurance, the dental assistant follows the four step method to ensure all instruments are properly sterilized. Which of the following is the first step of the process?

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 145 of 150

145. Question

1 points

Which of the following will NOT break the link between the infectious agent and the reservoir?

Sterilization.
Nutrition.
Cleaning.
Disinfection.

Question 146 of 150

146. Question

1 points

What is the most common method of transmission in a dental office?

Direct contact.
Indirect contact.
Aerosol.
Droplet.

Question 147 of 150

147. Question

1 points

During a procedure Chris is assisting with, a significant amount of blood splatters on the wall and floor. Chris should clean the contaminated surfaces as quickly as possible with:

Antimicrobial spray.
An alcohol-based cleaner.
Soap and water.
1:100 dilution of Sodium Hypochlorite (Bleach).

Question 148 of 150

148. Question

1 points

Hard surface areas in the dental office are disinfected with

Disinfectant gel.
Disinfectant wipes
Bacterial soap.
Antiseptic liquid.

Question 149 of 150

149. Question

1 points

How should instruments be wrapped for sterilization?

Tightly.
Stacked together.
Loosely.
They should not be wrapped.

Question 150 of 150

150. Question

1 points

When intact skin is breached such as when being cut by broken glassware or punctured by contaminated needles, the relationship between the host and bacteria becomes:When intact skin is breached such as when being cut by broken glassware or punctured by contaminated needles, the relationship between the host and bacteria becomes:

Opportunistic.
Non-existent.
Harmonious.
Mutualistic.

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