DENTAL ASSISTANT ONLINE EXAM PRACTICE KIT 6

Question 1 of 150

1. Question

1 points

Foods that promote caries are known as which of the following?

Cariogenic.
Cariocatalysts.
Cariostatic.
Cariopromoters.

Question 2 of 150

2. Question

1 points

Humans have how many deciduous teeth?

32
20
18
35

Question 3 of 150

3. Question

1 points

Which of the following will NOT increase strep mutans activity

Fruit.
Sugar.
Carbohydrates
Vegetables.

Question 4 of 150

4. Question

1 points

Which of the following instruments would you choose to remove calculus from around a tooth?

Periodontal probe.
Periodontal chisel.
Periodontal hoe.
Periodontal curette.

Question 5 of 150

5. Question

1 points

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

Maxillary tray.
Mandibular tray.
Saliva extractor.
Aspirator.

Question 6 of 150

6. Question

1 points

During the seating of a cast metal crown procedure, if the crown drops to the back of the patient’s throat, the first thing you should do is:

Allow the patient to cough up the crown.
Give the patient water and ask him or her to swallow.
Have the patient sit up with the head over the knees.
Have the patient sit up with the head over the knees. Call emergency services personnel.

Question 7 of 150

7. Question

1 points

Which of the following is NOT one of the branches of the carotid artery which supplies blood to the oral cavity?

Facial.
Maxillary.
Lingual.
Mandibular.

Question 8 of 150

8. Question

1 points

Oral precancerous and neoplastic lesions are linked to excessive intake of _____.

Alcohol.
Sugar.
Fruits. Vegetables.

Question 9 of 150

9. Question

1 points

Which of the following is the SMALLEST size of inverted cone bur?

10
33 ½
1
¼

Question 10 of 150

10. Question

1 points

All but which of the following should be arranged along the TOP of an amalgam instrument tray?

Burs in the bur block.
Amalgam well.
Amalgam carrier.
Cotton rolls.

Question 11 of 150

11. Question

1 points

When educating a patient about toothbrushing, how long should you instruct the patient to brush?

5 minutes.
1 minute.
10 minutes.
2 minutes.

Question 12 of 150

12. Question

1 points

The recommended oxygen system for the dental office is:

Series E portable oxygen tank with a low-flow regulator.
Stationary oxygen tank.
Series E portable oxygen tank.
Series D portable oxygen tank.

Question 13 of 150

13. Question

1 points

How are glass ionomer cements usually applied to the tooth surface?

To teeth that have been acid-etched.
Directly to tooth surfaces that are moist.
irectly to unconditioned enamel and dentine. .
To tooth surfaces pre-conditioned with another cement

Question 14 of 150

14. Question

1 points

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

30 minutes
10 minutes
4 minutes
1 minute

Question 15 of 150

15. Question

1 points

The most important law governing infection control in dentistry today is

The Bloodborne Pathogens Standard.
The Dental Practice Act.
The Material Standards for Dentistry Safety.
The ALARA Act.

Question 16 of 150

16. Question

1 points

The material used for filling a root canal is known as which of the following?

Amalgam.
Composite.
Gutta percha.
Resin.

Question 17 of 150

17. Question

1 points

Which material is used for temporary fillings?

Amalgam.
Porcelain.
Self-curing acrylics.
Gold.

Question 18 of 150

18. Question

1 points

Prime appointment times for scheduling patients are:

The first and last appointments of the day.
Lunch times.
11:00 a.m. .
Immediately after lunch

Question 19 of 150

19. Question

1 points

Which of the following is NOT true of the high-speed dental handpiece?

It is controlled via a switch on the handle.
It is used to rapidly cut teeth.
It may be used to smooth restorations.
It produces frictional heat and needs to be regularly cooled.

Question 20 of 150

20. Question

1 points

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

Six.
Five.
Four.
Three.

Question 21 of 150

21. Question

1 points

Hoes are used with which of the following types of motion?

Pushing.
Downward.
Upward.
Pulling.

Question 22 of 150

22. 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 23 of 150

23. Question

1 points

The cavity found in the interior of the crown and root of each tooth is known as which of the following?

Oral cavity.
Pulp cavity.
Dental canaliculi.
Rima.

Question 24 of 150

24. Question

1 points

For which of the following procedures would you choose a jacquette?

To snip tags of tissue.
To remove subgingival calculus.
To remove necrotic tissue.
To remove supragingival calculus.

Question 25 of 150

25. Question

1 points

Most prolonged or recurrent epileptic seizures can be managed through the use of:

Midazolam.
Flumazine.
Naxolone.
Glucagon.

Question 26 of 150

26. Question

1 points

When setting up a treatment room, all instruments should be within which radius distance of the assistant?

6 inches.
21 inches.
36 inches.
12 inches.

Question 27 of 150

27. Question

1 points

Which of the following instruments would you choose to cleanse the canal during root canal procedure?

Air water syringe.
Saliva ejector.
K-type file.
Luer syringe.

Question 28 of 150

28. Question

1 points

The T-ball burnisher can be used to do all but which of the following

Tuck the dental dam into place.
Slightly separate teeth.
Shape matrix bands.
Smooth the rough edges of an amalgam restoration.

Question 29 of 150

29. Question

1 points

The Lentulo spiral is used for which of the following?

To debride diseased tissue from the canal.
To test the vitality of pulp.
To open access to the canal.
To evenly distribute cement in the canal.

Question 30 of 150

30. Question

1 points

Which of the following is the LARGEST size of end cutting bur

958
172
39
559

Question 31 of 150

31. Question

1 points

A condition exhibiting symptoms of itching and hives is known as:

Syncope.
Postural hypertension
Heart attack.
Allergic reaction.

Question 32 of 150

32. Question

1 points

Prime appointment times for scheduling patients are:

The first and last appointments of the day.
Lunch times.
11:00 a.m.
Immediately after lunch.

Question 33 of 150

33. Question

1 points

Which of the following is used if a patient suffers from syncope?

Chlorhexidine.
Oxygen.
Benadryl.
Aspirin.

Question 34 of 150

34. Question

1 points

A patient who lives in an area with unfluoridated drinking water would be advised to do which of the following when using a brush-on gel?

Avoid rinsing after application.
Leave the gel on for 12 hours before brushing.
Use the gel twice as often as recommended on the package.
Use twice as much gel as recommended on the package

Question 35 of 150

35. Question

1 points

Which of the following is the principle role of a cavity liner?

To provide a smooth surface to build the restoration on.
To protect the pulp and allow it to recover.
To prevent toxic restorative materials from leaching into the bloodstream
To provide structure to the restoration.

Question 36 of 150

36. Question

1 points

For which of the following would you use Endo Ice?

To numb an area prior to treatment.
To stanch bleeding during surgery.
To test the sensitivity of a tooth.
To sterilize an endodontic instrument.

Question 37 of 150

37. Question

1 points

Diagnostic casts are used for which of the following?

Serving as a working model while a restoration is fabricated.
Acting as a patient education aid.
Fabricating orthodontic appliances.
Diagnosing pathologies of the mouth.

Question 38 of 150

38. Question

1 points

Which of the following instruments would you choose when a square shoulder is needed for a crown preparation?

Diamond disc.
Diamond bur flat-end taper.
Diamond bur flat-end cylinder.
Diamond bur flame.

Question 39 of 150

39. Question

1 points

After amalgam has been placed in a cavity, what should be done with any remaining amalgam material?

It should be washed down the sink.
It should be disposed of as medical waste.
It should be ejected back into the amalgam well.
It should be allowed to harden in the carrier so it can be reused.

Question 40 of 150

40. Question

1 points

Which of the following is NOT true of fluoride in food

Food prepared with fluoridated water will have higher levels of fluoride
luoride is not found naturally in food, so it is necessary to supplement for optimal oral health.
Processed food tends to be higher in fluoride than raw food.
Fish and shellfish naturally contain fluoride.

Question 41 of 150

41. Question

1 points

Of the following, which of these is NOT associated with good patient relations?

Empathy toward the patient.
Understanding the patient.
Warmth for each patient.
None of the above.

Question 42 of 150

42. Question

1 points

Needle holders differ from hemostats in which of the following ways?

Needle holders have smooth tips.
Hemostats have serrated tips.
Needle holders have shorter beaks.
Needle holders have longer beaks.

Question 43 of 150

43. Question

1 points

Which type of wax, also called casting wax, would you immerse in water to soften?

Sticky wax.
Inlay wax.
Low fusion impression wax.
Boxing wax.

Question 44 of 150

44. 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 45 of 150

45. Question

1 points

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

Broaches.
Gauze sponges.
Root elevators.
Periosteal elevators.

Question 46 of 150

46. Question

1 points

A hinged device used to hold the patient’s mouth open during treatment is known as which of the following?

Mouth prop.
Dental dam.
Lip retractor.
Mouth gag.

Question 47 of 150

47. Question

1 points

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

Hoe.
Osteometer
Elevator.
Excavator.

Question 48 of 150

48. Question

1 points

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

Reducing the alveolar bone.
Reducing the lingual aspect of anterior teeth.
Trimming a metal restoration.
Opening a cavity preparation.

Question 49 of 150

49. Question

1 points

The double ended instrument which has a condenser on one end and a blade on the other, and which is used to pass materials during cavity preparation, is known as which of the following?

Spoon excavator.
Hoe.
Woodson carver.
Cleoid:discoid instrument

Question 50 of 150

50. Question

1 points

The four front teeth in each dental arch are known as which of the following?

Canines.
Molars.
Premolars.
Incisors.

Question 51 of 150

51. Question

1 points

Collimators reduce the amount of

Primary radiation only.
Scattered radiation only.
Primary and scattered radiation.
None of the above.

Question 52 of 150

52. Question

1 points

KVp setting below what range is not recommended due to increased patient exposure risks?

Below 100 kVp.
Below 125 kVp..
Below 60 kVp.
Below 200 kVp

Question 53 of 150

53. Question

1 points

What factor can clinicians use to determine whether operators should wear a dosimeter badge?

Levels of clinical exposure.
The brand of equipment use.
The expertise of the operators.
Type of x-ray processing used.

Question 54 of 150

54. Question

1 points

Who is responsible for radiation equipment in the dental office?

Dental assistant.
Dentist.
Office manager.
Receptionist.

Question 55 of 150

55. Question

1 points

radiograph that is completely black was most likely ____.

Exposed to light.
Bent.
Exposed to static.
Underexposed.

Question 56 of 150

56. Question

1 points

Distortion of the viewbox can be caused by all of the following EXCEPT for

The wrong type of bulb.
Dirt on the Plexiglas.
Damaged Plexiglas.
Damaged roller.

Question 57 of 150

57. Question

1 points

The units of information in chromosomes that determine an organism’s characteristics are called:

Genes.
Cells.
Photons.
Pulses.

Question 58 of 150

58. Question

1 points

Aids used in mounting X-rays are called:

Facial landmarks.
Anatomical landmarks.
Anterior landmarks.
Posterior landmarks.

Question 59 of 150

59. Question

1 points

The rollers in automatic processors should be cleaned weekly for:

5-8 minutes.
30 minutes.
10-15 minutes.
20 minutes.

Question 60 of 150

60. Question

1 points

When a patient’s finger appears on a radiograph because it is positioned in front of the receptor instead of behind it, _____ has occurred.

Film creasing.
Movement.
Phalangioma.
Film bending.

Question 61 of 150

61. Question

1 points

The goal of dental radiography is to acquire information for diagnostic purpose while at the same time keeping the patient and staff radiation exposure to a minimum. This goal is often expressed as which acronym?

ALARA.
MRL.
MRI.
DPT.

Question 62 of 150

62. Question

1 points

The ingredient in the fixer solution that shrinks the gelatin component of the film is called the:

Clearing solution.
Hardener.
Preservative.
Acidifier.

Question 63 of 150

63. Question

1 points

Which view would you use to show the buccolingual relationship?

Bitewing.
Occlusal.
Periapical.
Panoramic.

Question 64 of 150

64. Question

1 points

Which of the following measures can help protect patients from excess radiation damage to their tissues?

Fast procedure times.
Higher kVp.
Round collimation.
Slow film speed.

Question 65 of 150

65. Question

1 points

The lower the dose of radiation exposure,

The more images the operator will have to take.
The longer the patient will have to be exposed to radiation
The lower the probability of damage.
The higher the probability of damage.

Question 66 of 150

66. Question

1 points

Which of the following will NOT place the patient at a higher risk for caries?

Xerostomia.
Chemotherapy.
Poor fluoride exposure.
Diet high in fruits and vegetables.

Question 67 of 150

67. Question

1 points

One of the upper molars on the patient’s left side has (a) ____

Cavity that has not been filled.
Large crack.
Filling.
Severe discoloration

Question 68 of 150

68. Question

1 points

Using film that has been exposed to heat or chemical fumes will result in

A blurred image.
A black image.
A fogged image.
A partial image.

Question 69 of 150

69. Question

1 points

Intensifying screens:

Reduce the X-ray beam.
Have no effect on the X-ray beam.
Diminish the clarity of the X-ray.
Magnify the X-ray beam.

Question 70 of 150

70. Question

1 points

If the dot is on the right of the resulting radiograph, which side of the patient was the image captured?

Left.
Lower.
Right.
Upper.

Question 71 of 150

71. Question

1 points

Before reinstalling into the automatic processor, rollers should be

Disinfected.
Washed with soapy water.
Checked for residue.
Rinsed thoroughly.

Question 72 of 150

72. Question

1 points

When taking a panoramic X-ray of an obese patient compared to a thin patient, exposure should be:

Decreased.
Closely monitored.
Remain the same.
Increased.

Question 73 of 150

73. Question

1 points

X-ray machine inspections should be performed by:

The dentist.
The X-ray operator.
Dental assistant.
State agency representative.

Question 74 of 150

74. Question

1 points

If a radiation operator becomes pregnant, she can submit a Declaration of Pregnancy in order to do what?

Receive more time off for maternity leave.
Reduce the exposure of everyday radiation to the fetus.
Reduce the amount of duties performed in a day.
Receive special treatment while working in the office.

Question 75 of 150

75. Question

1 points

The kilovoltage setting controls the:

Number of electrons. x
Number of electrons. Removal of the long wave.
Current in the anode of the dental X-ray tube. .
Central beam in the X-ray tube

Question 76 of 150

76. Question

1 points

X-rays should be mounted as if the:

Operator was standing on the left side of the patient.
Operator was standing in front of the patient.
Operator was standing on the right side of the patient.
Operator was standing behind the patient

Question 77 of 150

77. Question

1 points

The correct vertical angulation used when taking a bitewing radiograph is:

0 degrees.
Plus 10 degrees.
Plus 5 degrees.
Plus 30 degrees.

Question 78 of 150

78. Question

1 points

Of the following, which does this dental x-ray show?

Root canals.
Periodontal disease
Dentures.
Braces.

Question 79 of 150

79. Question

1 points

Patient effective dose for panoramic x-rays is

1.1 mrem.
0.6 mrem.
1.5 mrem.
2.0 mrem.

Question 80 of 150

80. Question

1 points

A difference in the processing steps between manual processing and automatic processing is:

Manual processors do not require rinsing in between developing and fixing
Automatic processors do not require rinsing in between developing and fixing.
Manual processors do not require washing after fixing.
Automatic processors do not require washing after fixing.

Question 81 of 150

81. Question

1 points

When taking panoramic x-rays, the operator can select the proper exposure setting by determining the patient’s bone density. One method to determine bone density is to look at the patient’s:

Legs.
Torso.
Wrists.
Face.

Question 82 of 150

82. Question

1 points

When preparing to mount film, what is the proper way to physically handle a dental radiograph image?

Handle by the edges of the film.
Grip film from the center of the image
Moisten fingers and grip from the corners.
No special actions needed.

Question 83 of 150

83. Question

1 points

What stabilizes film for an intraoral radiograph without using a holder.

Bitewing tab.
Bite block.
Cotton roll.
Thyroid collar.

Question 84 of 150

84. Question

1 points

Which of the following marks the difference between right and left when loading the film packet?

Foil insert.
Film holder.
Dot on the corner.
White plastic side.

Question 85 of 150

85. Question

1 points

The process in which the developer solution removes bromides from the metallic silver of the film is called:

Film reversal.
Reticulation
Fixation.
Reduction

Question 86 of 150

86. Question

1 points

A bite rod is bent too far forward. What will most likely occur to the image?

Blurred anterior teeth.
Condyles close to edge of film
Dark image.
Cone cut.

Question 87 of 150

87. Question

1 points

Besides exposure, what can cause a film to be pale and have dark spots?

Bent film.
Condensation develops.
Exposed to static.
Worn out screen

Question 88 of 150

88. Question

1 points

In standard mounting, which way should the raised dot be positioned for BITEWING radiographs?

Upward.
Downward.
To the right.
To the left.

Question 89 of 150

89. Question

1 points

What happens to chemicals stored in an extremely cold environment?

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

Question 90 of 150

90. Question

1 points

An operator should

Only wear protective gloves.
Not wear protective gear.
Stand next to the patient during an x-ray.
Never hold a film in place for a patient.

Question 91 of 150

91. Question

1 points

Blurred images are seen on the radiograph with ____

Film bending.
Phalangioma.
Film creasing.
Movement.

Question 92 of 150

92. Question

1 points

Which of the following body tissues absorbs the greatest amount of x-radiation when exposed?

Muscle mass.
Skin.
Fat tissue.
Bone.

Question 93 of 150

93. Question

1 points

Anna is a new assistant and recently lost her dosimeter. She should first:

Share another employee's meter .
Report it immediately and acquire a new one.
Forego monitoring her radiation exposure.
Wait to report it to her supervisor.

Question 94 of 150

94. Question

1 points

This panoral radiograph is an image of which of the following?

An adult with several missing teeth.
An adolescent with several fillings.
A child with developing teeth within the jaw.
An adult with braces.

Question 95 of 150

95. Question

1 points

The component in the X-ray tubehead that aims and shapes the X-ray is:

The metal housing.
The tubehead seal.
The aluminum disk.
The position indicator device.

Question 96 of 150

96. Question

1 points

A 55 year old patient who has no teeth is requiring x-rays. The panoramic exposure setting on the x-ray machine should be:

Adjusted to the next highest kVp setting.
Adjusted to the next lowest kVp setting.
Adjusted to nearly zero.
Adjusted to second lowest kVp setting.

Question 97 of 150

97. Question

1 points

Adequate shielding or barrier protection should be:

A suitable DISTANCE to attenuate radiation.
A suitable DENSITY to attenuate radiation.
A clear or transparent material.
Made of flame retardant material.

Question 98 of 150

98. Question

1 points

Radiation exposure can cause which blood disease?

Hypoxemia.
Anemia.
Leukemia.
Septicemia.

Question 99 of 150

99. Question

1 points

The sinus structures are visible in an intraoral radiograph. What is the likely cause?

Poor vertical angulation.
Cone cut.
Poor horizontal angulation.
Double exposure.

Question 100 of 150

100. Question

1 points

The dental assisant is using a chemical that has the preceding symbol displayed on the container, What does the symbol mean?

Biohazard.
Warning.
Radioactive.
Poison.

Question 101 of 150

101. Question

1 points

Packaging instruments for storage requires which of the following?

Plastic wrap.
Freezer bags.
Paper.
Sterilization packaging.

Question 102 of 150

102. Question

1 points

When comparing the Centers for Disease Control (CDC) and the Occupational Safety and Health Administration (OSHA), the Centers for Disease Control:

Mandates and recommends practices.
Recommends practices only.
Enforces regulations.
Licenses professionals.

Question 103 of 150

103. Question

1 points

What is the term for infection control?

Asepsis.
Antigen.
Antitoxin.
Pathogens Standard

Question 104 of 150

104. Question

1 points

How long does it take for microbes to line the tubes of the water line?

Hours.
Days.
Weeks.
Minutes.

Question 105 of 150

105. Question

1 points

Which of the following is NOT biohazardous medical waste generally associated with dentistry?

Cultures and stocks.
Medical sharps
Human blood.
Human pathological waste.

Question 106 of 150

106. Question

1 points

What is the shelf life for sterilized and packaged instruments?

Indefinite.
2 days.
3 weeks.
6 months.

Question 107 of 150

107. Question

1 points

A primary function of the skin includes:

Acting as an impenetrable barrier to the environment.
Allowing water loss.
Synthesizing Vitamin B from sunlight. Providing protection from abrasion and microorganisms.
Providing protection from abrasion and microorganisms

Question 108 of 150

108. Question

1 points

What extra precaution should be used with implantable devices?

Antiseptic indicator.
Spore test.
Alcohol.
Autoclave.

Question 109 of 150

109. Question

1 points

Are dental anesthetic carpules considered sharps and must they be disposed of in the sharps container?

Dental anesthetic carpules are considered sharps and must be disposed of in the sharps container.
Dental anesthetic carpules are not considered sharps and must be disposed of in the sharps container.
Dental anesthetic carpules are not considered sharps unless they are broken and can penetrate the skin.
The dentist may dispose of dental anesthetic carpules at their discretion into the sharps container or another desired method.

Question 110 of 150

110. Question

1 points

Someone who has a compromised immune system is known as:

Direct transmitter.
Catalyst.
Susceptible host.
Static agent

Question 111 of 150

111. Question

1 points

Which of the following is more likely to be disposable?

Lab coat.
Uniform
Gown.
Scrubs.

Question 112 of 150

112. Question

1 points

Proper maintenance of nitrous oxide equipment should include all of the following except for:

Checking all fittings.
Replacing worn hoses and rings.
Ensuring connections are secure.
Using an oil-based soap to check for leaks in bubbles in high pressure connectors.

Question 113 of 150

113. Question

1 points

What is included in low level disinfectant?

Quaternary ammonium compounds.
Phenolics.
Idophors.
Chlorine containing compounds.

Question 114 of 150

114. Question

1 points

What type of pathogen poses the greatest risk of transmission for dental care professionals?

Airborne.
Droplet.
Bloodborne.
Contact.

Question 115 of 150

115. Question

1 points

Which materials should be particularly free from latex in the dental clinic?

Lines and hoses.
Shields and barriers.
Emergency kits.
Gloves.

Question 116 of 150

116. Question

1 points

Gloves should be worn:

Only during invasive, bloody procedures.
When removing fillings or crowns.
During cleanings or procedures involving blood or body fluids.
For all routine dental procedures or dental surgery.

Question 117 of 150

117. Question

1 points

A low level EPA-registered hospital disinfectant will decontaminate surfaces against:

Resistant Spores.
Mycobacterium.
Human immunodeficiency virus (HIV).
Fungi.

Question 118 of 150

118. Question

1 points

What does number “Ox” in the white section of the chemical hazard label represent?

Lacking oxygen.
Triplet oxygen
Oxidizing agent.
Oxide minerals.

Question 119 of 150

119. Question

1 points

How long should the hand piece run on the bur before it is cleaned and sterilized?

45 seconds.
60 seconds.
35 seconds.
20 seconds.

Question 120 of 150

120. Question

1 points

What should be done when the fill line of a sharps container is reached?

It is capped.
It is disposed of.
It is locked.
It is labeled.

Question 121 of 150

121. Question

1 points

What occurs if there is insufficient cleaning of items before they are sterilized?

Hazardous waste.
Protein barrier.
Biological monitor.
Contaminated waste

Question 122 of 150

122. Question

1 points

The main requirement of the OSHA Hazard Communication Standard is that:

All dental professionals maintain compliance with the Standard
The Standard applies to only certain activities in which individuals may be exposed to hazardous chemicals under normal working conditions or in emergency situations.
All dental professionals know the safe handling procedures of chemicals
All dental professionals maintain a list of hazardous chemicals in the office.

Question 123 of 150

123. Question

1 points

As per OSHA’s Bloodborne Pathogen Standard Revision, how long should training records be kept in an active and open file?

5 years from the date of training.
10 years from the date of training.
7 years from the date of training.
3 years from the date of the training.

Question 124 of 150

124. Question

1 points

When should the items NOT be considered contaminated?

After washed.
After manual cleaning.
After sterilization.
After soaked.

Question 125 of 150

125. Question

1 points

Which of the following statements is true with regard to the storage of sterilized instruments?

Sterilized instruments should be stored in their own enclosed area of the immediate office.
Sterilized instruments only need to be stored on a sterile tray in the immediate office.
Sterilized instruments should be stored in their own section of the central processing area.
The dentist can locate the storage of sterilized instruments in a place he or she designates.

Question 126 of 150

126. Question

1 points

The X-ray film holder is an example of a:

Critical instrument.
Semi-critical instrument
Non-critical instrument.
Transition instrument.

Question 127 of 150

127. Question

1 points

How long is a disinfectant left on the surface after it is cleaned?

1 hour.
15 minutes.
5 minutes.
10 minutes.

Question 128 of 150

128. Question

1 points

Besides plastic, what is a useful barrier for light switches?

Nothing.
Paper.
Foil. Cover.
Foil. Cover.

Question 129 of 150

129. Question

1 points

When assessing the risk for infection in dentistry, a risk assessment should be performed. Which of the following would be the first step in the process?

"Determine the level of risk."
"Record what you find."
"Look for the hazards." "Identify who is at risk.
"Identify who is at risk"

Question 130 of 150

130. Question

1 points

What is a universal sign for “choking”?

Foam coming from mouth.
Patient grabbing at throat.
Fainting.
Crying.

Question 131 of 150

131. Question

1 points

Nitrous oxide has been spilled in the dental office. Which of the following should NOT be done in order to clean the spill?

Touch the spilled material.
Use water sprays to protect the people cleaning the spill.
Keep combustible items away from the nitrous oxide.
Contact safety personnel with regard to large spills.

Question 132 of 150

132. Question

1 points

What should the temperature be for flash steam sterilization?

250 F.
270 F.
320 F.
425 F.

Question 133 of 150

133. Question

1 points

Gloves need to be ____ after answering the phone

Removed.
Worn.
Replaced.
Put away.

Question 134 of 150

134. Question

1 points

Using a petroleum based product immediately before putting on exam gloves will cause which of the following to gloves?

Breakdown.
Tearing.
Preserve integrity.
Strengthen.

Question 135 of 150

135. Question

1 points

If while performing a dental procedure a patient has an allergic reaction, which of the following drugs would MOST likely be used?

Aspirin.
Benadryl.
Cough medicine.
Ammonia.

Question 136 of 150

136. Question

1 points

A patient needs to be draped in a lead apron that protects the ____ from radiation.

Thyroid.
Nervous system.
Heart.
Head.

Question 137 of 150

137. Question

1 points

When mixing and pouring chemicals in the sterilization area, dental personnel should wear:

Masks.
A lab coat.
Protective eyewear.
Gloves.

Question 138 of 150

138. Question

1 points

What would you soak instruments that are stained by blood in before sterilizing them?

Detergent.
Mechanical cleaner
Alcohol.
Enzymatic cleaner.

Question 139 of 150

139. Question

1 points

Mary is preparing for her training session about bloodborne pathogens for the new employees. What information does she need to emphasize to them?

Modes of disease transmission.
Origins of each disease.
Correct spelling of potential diseases.
How the disease effects the body after transmission

Question 140 of 150

140. Question

1 points

How long does it take for microbes from the water supply to cling to tubes?

Hours.
Days.
Weeks.
Minutes.

Question 141 of 150

141. Question

1 points

Patients and health care workers should be protected against Hepatitis A. What type of disease is Hepatitis A?

Heart.
Liver.
Colon.
Foot

Question 142 of 150

142. Question

1 points

How long does it take to disinfect with chlorine dioxide?

6 hours.
10 hours.
Immediately.
12 hours.

Question 143 of 150

143. Question

1 points

Before caring for a patient, the dental assistant washed her hands for 10 seconds. Is 10 seconds the minimal amount of time for handwashing that should be followed? If not, what is?

No; 15 seconds.
Yes
No; 30 seconds.
No; 5 seconds.

Question 144 of 150

144. Question

1 points

According to OSHA regulations, keeping workspaces sanitary and storerooms in the dental office orderly is the responsibility of:

The dentist.
The dental assistant
Front office manager.
Dental hygienist

Question 145 of 150

145. Question

1 points

When should hospital disinfectants be used on the floor?

At all times.
On the weekends only.
Each night the office closes.
When contaminated.

Question 146 of 150

146. Question

1 points

What will help determine if a patient poses a risk to the dental assistant?

Medical history.
Blood test.
Barriers.
Contamination.

Question 147 of 150

147. Question

1 points

What type of exposure control plan does OSHA require of workplaces with occupational exposure?

Verbal.
Either written or verbal
Written.
None of these.

Question 148 of 150

148. Question

1 points

According to OSHA, what is the maximum number of rems per quarter allowed for the exposure of employees skin over the entire body to ionizing radiation?

7.5.
10
9.5.
11

Question 149 of 150

149. Question

1 points

What is true of clinical shoes?

They are always provided.
They should not be worn outside of clinic
They cannot have shoelaces.
They cannot be cleaned.

Question 150 of 150

150. Question

1 points

According to OSHA, what is the first step to be observed when employees eyes come in contact with microorganisms or hazardous materials?

Call 911.
Flush eyes with water.
Take an antibiotic.
Blink rapidly to remove the material.

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