DENTAL ASSISTANT ONLINE EXAM PRACTICE KIT 8

Question 1 of 150

1. Question

1 points

Which of the following instruments would you choose to remove temporary cement from around a temporary fabrication?

Excavator.
Hatchet.
Chisel.
Finishing bur.

Question 2 of 150

2. Question

1 points

The operator zone for a right-handed operator will be in which of the following positions?

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

Question 3 of 150

3. Question

1 points

The principle mass of the teeth is composed of which of the following?

Dental pulp.
Enamel.
Dentin.
Dental matrix.

Question 4 of 150

4. Question

1 points

Which of the following motions is used with a hatchet?

Pulling.
Pulling. Pushing.
Downward.
Upward.

Question 5 of 150

5. Question

1 points

How many times can a person be shocked with a defibrillator?

2
1
4
3

Question 6 of 150

6. Question

1 points

Which of the following instruments would you choose to trim a metal restoration?

Inverted cone bur.
Vulcanite bur.
Finishing bur.
Tapered diamond bur.

Question 7 of 150

7. Question

1 points

The best appointment time for oral surgery on a diabetic patient is

10:30 a.m.
8:30 a.m.
4:00 p.m.
2:00 p.m.

Question 8 of 150

8. Question

1 points

Which of the following is NOT an appropriate technique for mixing and using dental materials?

Have all materials mixed at the beginning of treatment.
Mix materials only when you know the operator is ready for them.
Pass materials on a glass dish over the patient's chin.
Have all materials and mixing equipment in place at the start of treatment.

Question 9 of 150

9. Question

1 points

An L after the size number of an inverted cone bur indicates which of the following?

The shank of the instrument is longer than typical. The instrument should only be used by a left handed operator.
The instrument should only be used on the left side of the mouth.
The head of the instrument is longer than typical.

Question 10 of 150

10. Question

1 points

Controlled substances are:

Drugs regulated and monitored by the federal government.
All items listed on the inventory control systems.
Items requiring special storage and handling, such as refrigeration.
Items which are radioactive.

Question 11 of 150

11. Question

1 points

Which of the following instruments would you select when performing subgingival scaling?

Curette.
Scaler.
Gingival probe.
Beavertail burnisher.

Question 12 of 150

12. Question

1 points

Which of the following is NOT an appropriate technique in one-handed instrument exchange?

Grasp the instrument with your index and middle fingers.
Grasp the new instrument as close to the working end as possible.
Receive the used instrument by grasping it with your little finger.
Grasp the new instrument at the end opposite from the working end.

Question 13 of 150

13. Question

1 points

For which of the following would you NOT choose a periodontal curette?

To remove soft tissue lining in the periodontal pocket.
To remove subgingival calculus.
To smooth the root surface in root planing.
To remove supragingival calculus.

Question 14 of 150

14. Question

1 points

When preparing a working cast that will need to withstand the stresses of fabricating a prosthesis, which of the following should you choose?

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

Question 15 of 150

15. Question

1 points

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

Explosion.
Complex cavity.
Compound cavity.
Impaction.

Question 16 of 150

16. Question

1 points

Which instrument would you choose to remove soft, carious decay from a tooth?

Spoon excavator.
T-ball burnisher.
Osteome.
Gingival probe.

Question 17 of 150

17. Question

1 points

The process of stabilizing teeth that are loose or have lost bone support is known as which of the following?

Splinting.
Restoration.
Endodontics.
Banding.

Question 18 of 150

18. Question

1 points

What would you use if a patient has epilepsy or a history of seizures?

Dressing pliers.
Hemostat.
Ligated mouth prop.
Bite block.

Question 19 of 150

19. Question

1 points

For maximum benefit, patients should brush their teeth with fluoridated toothpaste at least how often?

Once a day.
4 times a day
Twice a day.
After eating or drinking anything other than water.

Question 20 of 150

20. Question

1 points

Advantages of alginate (irreversible hydrocolloid) impression material include all of the following EXCEPT for:

Low cost.
Very rigid immediately after setting
Sufficiently elastic.
Ability to control mixing time.

Question 21 of 150

21. Question

1 points

For which of the following would you NOT use the dental lathe

Polishing a cast crown.
Polishing a provisional crown.
Contouring a custom tray.
Polishing removable appliances.

Question 22 of 150

22. Question

1 points

How long should a patient remove his or her dentures each day

8 hours.
12 hours
4 hours.
1 hour.

Question 23 of 150

23. Question

1 points

Which of the following arteries provides blood supply to the oral cavity?

Brachial.
Femoral
Carotid.
Popliteal.

Question 24 of 150

24. Question

1 points

Which of the following is NOT true when preparing alginate for an impression?

The powder should be placed loosely in the measuring scoop.
The powder should be fluffed and aerated prior to being measured.
Using cold water will prolong the alginate's working time.
The powder should be packed in the measuring scoop

Question 25 of 150

25. Question

1 points

What is a viscous material that sets WITHIN the mouth to a firm consistency and which can also be used to create a mold?

Porcelain.
Sealant.
Impression material.
Plaster.

Question 26 of 150

26. Question

1 points

The stroke used to remove calculus from the majority of the surface of a tooth during a scaling is known as which of the following?

Scaling stroke.
Direct stroke.
Oblique stroke.
Exploratory stroke.

Question 27 of 150

27. Question

1 points

Which of the following is the LARGEST size of round bur?

8
1/4
20
10

Question 28 of 150

28. Question

1 points

A patient experiences a seizure during an exam. What should be done first?

Restrain the patient.
Call EMS.
Remove items from patient's mouth.
Place in the recovery position.

Question 29 of 150

29. Question

1 points

The patient consent form cannot be signed by

A minor patient.
A parent.
Legal guardian.
Adult patient.

Question 30 of 150

30. Question

1 points

Blood dyscrasias increases the risk of _____

Respiratory distress.
Excessive bleeding
Syncope.
Stroke.

Question 31 of 150

31. Question

1 points

Reversible hydrocoilloids are made of which of the following?

Agar.
Alginate
Amalgam.
Wax.

Question 32 of 150

32. Question

1 points

Which of the following is true of fluoride in food?

Fluoride breaks down when food is cooked and thus is not ingested.
Fluoride is only present in processed foods
The method of preparation can influence the level of fluoride in food.
Fluoride becomes carcinogenic when food is cooked at high temperatures.

Question 33 of 150

33. Question

1 points

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

Fill the entire cavity with cement.
Place cement only around the external margin of the replacement area.
Place cement only around the internal margin of the replacement area.
Use a large amount of cement to ensure that all areas are covered.

Question 34 of 150

34. Question

1 points

Which of the following arteries provides blood supply to the lips?

Facial.
Brachial
Lingual.
Maxillary.

Question 35 of 150

35. Question

1 points

Which of the following instruments would you select when performing subgingival scaling?

Curette.
Hoe
Scaler.
Sickle.

Question 36 of 150

36. Question

1 points

All but which of the following is true of a patient who has been properly positioned for four-handed dentistry?

The patient's face will be parallel with the floor.
The patient will not bend at the waist.
The patient's legs will be slightly lower than his or her head.
The patient's legs will be slightly higher than his or her head.

Question 37 of 150

37. Question

1 points

A patient complains of feeling strange and his or her tongue begins to swell. What type of shock is this?

Syncope.
Respiratory
Metabolic.
Anaphylaxis.

Question 38 of 150

38. Question

1 points

Which of the following instruments would you choose to separate teeth whose contacts are very tight?

Beavertail burnisher.
T-ball burnisher.
Acorn burnisher.
Ball burnisher.

Question 39 of 150

39. Question

1 points

Which of the following would you use to polish a composite restoration?

Diamond disc.
Sandpaper disc.
Composite disc.
T-ball burnisher.

Question 40 of 150

40. Question

1 points

Patient health care information is protected by which regulation?

HIPAA.
FMLA.
CSA.
SSA

Question 41 of 150

41. Question

1 points

Irrigation tools are particularly useful if a patient has _____.

Gingivitis.
Fillings
A bridge.
Periodontal disease.

Question 42 of 150

42. Question

1 points

Which of the following is NOT true of a patient who has been properly positioned for four-handed dentistry?

The patient's chair is within 1 inch of the assistant's lap.
The patient is supine.
The patient's oral cavity is 14 to 16 inches from the operator's nose.
The patient's face is parallel with the floor

Question 43 of 150

43. Question

1 points

You are collecting clinical data with a patient who has come in complaining that her right upper canine is sensitive to cold. Examination reveals a small hole in the tooth. How would you chart this?

Class IV lesion on 6.
Class I lesion on 6.
Cavie on 6.
Class IV lesion on RUC.

Question 44 of 150

44. Question

1 points

What should be administered to a patient who has a heart attack in the office?

Nitroglycerine.
Penicillin.
Insulin.
Aspirin

Question 45 of 150

45. Question

1 points

Diamond burs are most likely to be used during which of the following types of procedures?

Root canal.
Extraction.
Crown preparation.
Caries removal.

Question 46 of 150

46. Question

1 points

Dental molds can be used to prepare all EXCEPT for:

Dental appliances.
Crowns or inlays.
Dentures.
Amalgam fillings.

Question 47 of 150

47. Question

1 points

Which of the following would you use along the top edge of an impression tray to give it extra height?

Sticky wax.
Utility wax.
Indicator wax.
Bite registration wax.

Question 48 of 150

48. Question

1 points

You might recommend which of the following for a patient who has little strength in the hands?

Large toothbrush.
Electric toothbrush.
Square shaped toothbrush.
Rough bristle toothbrush.

Question 49 of 150

49. Question

1 points

Splinting is used to do which of the following?

Restore teeth that have broken.
Create space between teeth that overlap.
Provide support for loose teeth from nearby intact teeth.
Using a metal band to secure a loose tooth.

Question 50 of 150

50. Question

1 points

Which tooth is designated number 1 in the Universal Numbering System?

Right front tooth.
Right maxillary third molar.
Left front tooth.
Left maxillary third molar.

Question 51 of 150

51. Question

1 points

In relation to the tube, which way should the raised dot be facing?

Away from the tube in all cases.
Toward the tube in all cases
Toward the tube ONLY in bitewings.
Away from the tube ONLY in bitewings.

Question 52 of 150

52. Question

1 points

If a film cannot be held in place by the patient’s mouth, which of the following should be used

Patient’s finger.
Operator’s finger.
Film holder. .
Patient’s tongue

Question 53 of 150

53. Question

1 points

What determines a patient’s x-rays

Patient health.
Patient dose.
Clinical equipment.
Clinical needs.

Question 54 of 150

54. Question

1 points

All of the following will cause a dental personnel to exceed occupational radiation limits EXCEPT for:

Poor facility design.
Malfunction of x-ray equipment
Inadequate operating procedures.
Billing and administrative procedures.

Question 55 of 150

55. Question

1 points

When radiographing an endentulous adult patient, exposure time:

Should be increased.
Is not a concern.
Should be decreased.
Remain the same.

Question 56 of 150

56. Question

1 points

What protects intraoral film from contamination while in the patient’s mouth?

Barrier envelope.
Collimator.
Foil backing.
White plastic side.

Question 57 of 150

57. Question

1 points

A safe working practice for dental personnel includes:

Standing close to the x-ray tube while exposing film.
Switching off x-ray machines when not in use.
Entering the x-ray room when unnecessary.
Holding dental film while making exposures.

Question 58 of 150

58. Question

1 points

The type of film holder used for extraoral film is the:

Clip holder.
Hinge holder.
Frame holder.
Double hinge holder.

Question 59 of 150

59. Question

1 points

What occurs when the film is bent?

Light density.
Clear area.
Dark lines.
Overlapping

Question 60 of 150

60. Question

1 points

To locate mandibular molars mounted on the view, look for how many roots?

One.
Two.
Three.
Four.

Question 61 of 150

61. Question

1 points

The film badge meter is meant to be used how many times?

One.
Three.
Five.
Unlimited times.

Question 62 of 150

62. Question

1 points

It is recommended that a person should not be exposed to radiation more than a whole body dose of rem. What is rem?

Radiation equivalent measurement.
Roentgen equivalent in man.
Roentgen equivalent in meters.
Radiation equal to man.

Question 63 of 150

63. Question

1 points

What is MOST true of the tooth highlighted in white?

It has received a whitening treatment.
It is severely deformed.
It is a deciduous tooth.
It is an implanted tooth on a silver pin.

Question 64 of 150

64. Question

1 points

Of the following children, which patient would be MOST sensitive to radiation?

A 6 year old who has lost several teeth.
A 15 year old with receiving a routine examination
A 3 year old who has had an accident.
A 10 year with a broken molar.

Question 65 of 150

65. Question

1 points

Lines on a film image are the result of:

Film bending.
Underexposed images
Diluted developing solution.
Too much radiation.

Question 66 of 150

66. Question

1 points

Primary radiation is radiation received from what?

Direct from the x-ray unit.
Indirect touch of the patient after a procedure.
Scatter radiation during the procedure.
Direct touch of the radiograph films.

Question 67 of 150

67. Question

1 points

Of the following, what is true of the image?

It is a bitewing of the left side that has no visible decay. Dentition is healthy.
It is a panoramic that shows bone abnormalities.
It is a periapical that shows disease below the gum line
It is an occlusal of the roof of the mouth with visible extra teeth. Dentition is not healthy.

Question 68 of 150

68. Question

1 points

To minimize patient risk, all of the following are proper procedures, except

Follow federal regulations.
Use slow speed film.
Place a protective apron over the patient.
Avoid retakes.

Question 69 of 150

69. Question

1 points

How will a 15 kVp increase affect density

Increase 3xs.
Decrease 2xs.
Increase 2xs.
Decrease 3 xs.

Question 70 of 150

70. Question

1 points

Genetic information is necessary for the production and functioning of a new organism. Genetic information is contained in what part of the germ (sperm or ova) cell?

Chromosomes.
Mitochondria.
Lysosomes. .
Cell membrane

Question 71 of 150

71. Question

1 points

How many types of position indicating devices (PID) are available?

Two.
Four
Three.
Six.

Question 72 of 150

72. Question

1 points

Patient effective dose for bitewing x-rays of the full mouth is:

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

Question 73 of 150

73. Question

1 points

What causes emulsion tears?

Wet fingers hold the film.
Wet films touch.
Dirty rollers.
Dirty dark rooms.

Question 74 of 150

74. Question

1 points

An x-ray’s suitable penetrating power ranges from

50-100 kVp.
100-150 kVp.
10-100 kVp.
25-50 kVp.

Question 75 of 150

75. Question

1 points

Where does the incisive foramen appear?

Near alveolar process.
Coronoid process of the mandible
Between the two central incisors. .
Near the third molar

Question 76 of 150

76. Question

1 points

When the embossing pattern from the lead foil backing in the film packet appears on the X-ray:

The film has been put into the X-ray machine backwards.
The film has expired.
The film is underexposed.
The film is overdeveloped.

Question 77 of 150

77. Question

1 points

During manual processing, to obtain optimum fixing, the film must remain in the fixer solution for:

20 minutes.
30 minutes.
15 minutes.
10 minutes.

Question 78 of 150

78. Question

1 points

When the parent of a patient does not want their child to receive an X-ray, the dental worker should:

Offer alternative diagnostic treatment.
Inform the dentist and make a note in the patient's chart.
Refer the patient to another dentist.
Disregard the parent's wishes.

Question 79 of 150

79. Question

1 points

The X-ray image may be damaged if:

The rinse water is agitated.
The developing solution is stirred.
The film is left in the wash water for an extended period.
It is placed in close proximity to other chemicals.

Question 80 of 150

80. Question

1 points

The main purpose of designating certain areas as controlled or restricted is to:

Protect patient health information.
Comply with HIPAA requirements.
Reduce worker responsibilities.
Minimize occupational exposure to staff.

Question 81 of 150

81. Question

1 points

The result of immersing contaminated exposed film packets in a disinfecting solution is:

The disinfection of the packets.
The clarification of the image
The destruction of the image.
A blurred image.

Question 82 of 150

82. Question

1 points

What is the most important step the dentist can take to protect patients from x-radiation?

Properly use collimation.
Repeating radiograph orders
Properly ordering radiographs.
Avoid filtration on the machines.

Question 83 of 150

83. Question

1 points

What will help limit patient movement during an intraoral exposure?

Headrest.
Bite block
Cotton roll.
Thyroid collar.

Question 84 of 150

84. Question

1 points

Which size film would you use for the bisecting technique?

1
3
2
4

Question 85 of 150

85. Question

1 points

When preparing a radiation contingency plan, which federal agency can provide information on occupational safety?

OSHA.
OSHA. IRS.
FDA.
EPA.

Question 86 of 150

86. Question

1 points

Radiograph mounts typically indicate what during viewing?

Tooth decay.
Bicuspids.
Dental arches.
Metal fillings.

Question 87 of 150

87. Question

1 points

How often should x-rays be tested for quality control

Yearly.
Monthly.
Every six months.
Every three months.

Question 88 of 150

88. Question

1 points

All of the following factors affect patient exposure to radiation. However, which factor can the dental radiograph operator manipulate to minimize radiation dose while capturing images?

Processing methods. .
Beam alignment and patient positioning
Equipment selection.
Processing environment.

Question 89 of 150

89. Question

1 points

For quality assurance purposes, all of the following should be checked on a daily basis except:

Darkroom operations.
Test film.
Radiographs.
Retake records.

Question 90 of 150

90. Question

1 points

Film hangers should be cleaned in a solution of water and

Ammonium sulfite.
Sodium thiosulfate.
Sodium bicarbonate.
Hydroquinone.

Question 91 of 150

91. Question

1 points

What should be done before the patient’s chin tilt is adjusted?

Position the side guides.
Bite the rod.
Stand straight.
Expose film.

Question 92 of 150

92. Question

1 points

What occurs when the horizontal angulation is not calculated correctly

Double exposure.
Latent image.
Clear pictures.
Overlapping

Question 93 of 150

93. Question

1 points

What happens if the chemistry is depleted when developing a panoramic film?

Dark image.
Dark lines
Washed out image.
Double exposure.

Question 94 of 150

94. Question

1 points

What is the proper way to change the bank of bulbs on a radiographic viewbox?

Wait until a dark bulb goes completely out.
Change bulbs one at a time as they go out.
Change the entire bank of bulbs after one goes out.
Change the entire bank of lights periodically.

Question 95 of 150

95. Question

1 points

The x-ray displays an image of which of the following?

Patient's mouth and teeth with a cavity.
Patient's mouth and teeth with an implant and visible roots
Patient's normal mouth and teeth.
Patient's mouth and teeth with four impacted molars.

Question 96 of 150

96. Question

1 points

What is one way to cause unnecessary radiation exposure to the patient?

Conducting radiographs on the first office visit.
Radiograph technique errors.
Leaving the patient in the radiology room while developing films.
Repeating the radiographs on the patient's next visit

Question 97 of 150

97. Question

1 points

Movement of the X-ray tube during exposure can result in a

Fogged image.
Dark image.
Radiopaque image.
Blurred image.

Question 98 of 150

98. Question

1 points

To mount radiographs, the radiographer must have a knowledge of:

Pathology and diagnosis.
Film brands and sizes.
Normal anatomy.
Biology.

Question 99 of 150

99. Question

1 points

How often do the you need to change the solution for a processor that does not use rollers?

Every day.
Every 3 weeks
Every 2 weeks.
Every week.

Question 100 of 150

100. Question

1 points

Of the following, which is the second step of assessing risk of infection in a dental office?

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

Question 101 of 150

101. Question

1 points

The dental assistant has begun sterilizing “noncritical” items, as defined by the CDC. Of the following, which would NOT fit in the “noncritical” category?

Blood pressure cuff.
Stethoscope.
Pulse oximeter. Surgical instrument.
Pulse oximeter. Surgical instrument.

Question 102 of 150

102. Question

1 points

Jerry is putting away a series of disinfectants after sterilizing the work area. Where in the office can he find the list of potential hazards for each chemical?

In the chemical hazards first aid manual (CHFAM).
In the material safety data sheet (MSDS).
In the hazardous material index (HMI).
In the chemical safety data sheet (CSDS).

Question 103 of 150

103. Question

1 points

What does the CDC recommend for disinfection

Antiseptic indicator.
Rapid disinfectant.
Intermediate disinfectant.
Alcohol.

Question 104 of 150

104. Question

1 points

Dental office should review new equipment for safety and engineering improvements:

Every six months.
Annually.
Every two years.
Every three years.

Question 105 of 150

105. Question

1 points

The dental assistant is using sealed glass ampules of bacterial endospores to monitor sterilization. What type of monitoring is being used?

Biological.
Chemical.
Process indicator.
Dosage indicator.

Question 106 of 150

106. Question

1 points

Occupational Safety and Health Administration regulations for dental offices relate to all of the following except:

Personal protective equipment.
Housekeeping
Employee medical records.
Treatment procedures/patient care.

Question 107 of 150

107. Question

1 points

For periodic maintenance of antiretraction mechanisms, dental personnel should:

Consult with the dental unit manufacturer.
Use alcohol-based products.
Use Ethylene Oxide.
Use a liquid chemical sterilant.

Question 108 of 150

108. Question

1 points

A dental laser can damage to which of the following with prolonged use?

Nervous system.
Skin.
Retina.
Heart.

Question 109 of 150

109. Question

1 points

With regard to sterility assurance, the dental assistant must conduct the second step of the program. Of the following, which is the second 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 110 of 150

110. Question

1 points

Dental health workers must clean their hands after all of the following except for after:

Donning gloves.
Direct contact with patients.
Contact with contaminated dental equipment.
Handling waste.

Question 111 of 150

111. Question

1 points

A dental assisting team is constantly looking for ways to improve safety in their office. Recently a task force has been assembled to review practices and equipment. The team is looking at ways to improve radiation safety so they:

Review and check all types of radiation equipment used in their office
Check the x-ray machine only.
Contact equipment manufacturers.
Check the office lighting

Question 112 of 150

112. Question

1 points

Which of the following disinfecting chemicals would the dental assistant use to clean the walls of the office?

Glutaraldehydephenate.
Peracetic acid.
Quaternary ammonium compounds.
Iodophors.

Question 113 of 150

113. Question

1 points

When recapping anesthetic needles, a healthcare worker should use:

A needle recapping device.
A hand piece.
A one-handed scoop technique.
Two hands.

Question 114 of 150

114. Question

1 points

Which of the following is used to handle chemicals?

Exam gloves.
Cotton gloves.
Utility gloves.
Surgical gloves

Question 115 of 150

115. Question

1 points

The most common infections occupationally transmitted via sharps injuries during patient care are:

Hep B, Hep C, and HIV.
Hep B and HIV
HIV, Hep C, Malaria.
Hep B, Hep C, Blood poisoning.

Question 116 of 150

116. Question

1 points

What is a benefit of a chemiclave or chemical vapor sterilization?

Reduces rust.
Does not melt plastic.
Easy use.
Not hot.

Question 117 of 150

117. Question

1 points

Mercury requires which technique when it is being used?

Single hand.
No touch.
Two hand.
Cup.

Question 118 of 150

118. Question

1 points

Which of the following is a droplet method of infection?

Lesion.
Cut.
Contaminated equipment.
Cold.

Question 119 of 150

119. Question

1 points

Pseudomonas aeruginosa is found in the office’s dental unit water. Which of the following MOST likely describes the probable source and pathogenicity of the bacteria?

Mouth; low.
Water; opportunistic.
Mouth; opportunistic.
Water; low.

Question 120 of 150

120. Question

1 points

Shoes need to be ____

Open.
Attractive.
Closed.
Flat.

Question 121 of 150

121. Question

1 points

It’s a busy day and you are working on a patient, and called to another room to examine another patient. What is the MOST effective way to prevent cross contamination and transmission of disease?

Change your gown.
Change your protective eyewear.
Hand hygiene.
Put on a new face mask.

Question 122 of 150

122. Question

1 points

Gloves should be discarded:

Once before leaving for lunch.
Before leaving to go home.
Once every day.
Between each patient.

Question 123 of 150

123. Question

1 points

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

Ice%20import%20question%20excel%20508

Radioactive.
Biohazard.
Poison.
Warning.

Question 124 of 150

124. Question

1 points

According to OSHA’s Blood borne Pathogen’s standards, what should be done with a specimen that can puncture a primary container?

Place it is a puncture proof secondary container.
Place it in a puncture proof primary container.
Place it in a secondary container.
Place it in a colored container.

Question 125 of 150

125. Question

1 points

To protect the health of dental professionals and dental patients, the American Dental Association (ADA) and Centers for Disease (CDC) control have recommended that dental professionals consider all patients as potentially infectious. The basis for this recommendation is:

Dental professionals have lowered immunity
Dental patients and workers may be exposed to a variety of pathogens via blood, oral secretions or respiratory aerosol.
Patients have infections and will disclose this information.
Patients have lowered immunity in the dental setting.

Question 126 of 150

126. Question

1 points

What is used to mark the date on a packet being sterilized?

Pen.
Marker.
Pencil.
Chalk.

Question 127 of 150

127. Question

1 points

The level of risk categories on the health hazard labels range from 0 to 4. What category would “Warning: Corrosive or toxic” fall under?

4
1
0
3

Question 128 of 150

128. Question

1 points

What occurs when tubes with biofilm are flushed?

Nothing.
Sloughing.
Breakage.
Asepsis

Question 129 of 150

129. Question

1 points

Which of the following is a source of bacteria that should not be touched without washing hands afterward?

Paper towel.
Towel.
Cell phone.
Soap.

Question 130 of 150

130. Question

1 points

What occurs when equipment is contaminated?

Direct contact.
Indirect contact
Inhalation.
Contamination.

Question 131 of 150

131. Question

1 points

Hand pieces should be flushed with _____.

Water.
Air water
Air.
Alcohol

Question 132 of 150

132. Question

1 points

Bioburden consists of:

Material that can't be removed from surfaces of instruments. Bacteria.
Bacteria
Blood, saliva, and/or OPIM.
Debris invisible to the human eye.

Question 133 of 150

133. Question

1 points

What should not be used in dental rooms?

Carpet.
Tile.
Linoleum.
Asepsis.

Question 134 of 150

134. Question

1 points

Which of the following is true of standard sterilization wraps?

They can only be re-used one additional time.
They have FDA registered to be re-used but do not have to be
They can only be re-used two additional times.
They should not be re-used.

Question 135 of 150

135. Question

1 points

What offers control of materials being sterilized and prevents accidental punctures?

Paper.
Nylon tubing.
Plastic pouch.
Cassette.

Question 136 of 150

136. Question

1 points

What should be done with a wheel after it is used to polish?

Chlorine dioxide.
Bleach.
Ethylene.
Autoclave.

Question 137 of 150

137. Question

1 points

What should the pressure be when opening the door to the autoclave?

5
7
0
2

Question 138 of 150

138. Question

1 points

Of the following, which is not considered an acute symptom associated with exposure to nitrous oxide, as per OSHA?

Dizziness.
Hair loss.
Irritability.
Trouble breathing.

Question 139 of 150

139. Question

1 points

The baseline of nitrous oxide used should be determined. It is crucial that the least amount, but most effective amount be used in a patient. What is typically the most amount of nitrous oxide to be used in an adult patient?

80%
60%
30%
50%

Question 140 of 150

140. Question

1 points

Skin integrity reduces _____ in the chain of infection

Susceptibility.
Portal of entry.
Mode of transmission. .
Exit

Question 141 of 150

141. Question

1 points

Which infectious waste material may be disposed of differently?

Gauze.
Soft tissue.
Tooth.
Sharps.

Question 142 of 150

142. Question

1 points

What is Not always necessary when handling a contaminated tray?

Utility gloves.
Gown.
Mask.
Eyewear

Question 143 of 150

143. Question

1 points

Why are standard precautions not sufficient enough to protect the DHCP while treating a patient with active TB?

TB droplets in the patient's saliva can contaminate the latex in dental gloves.
The DHCP is unable to use certain soaps due to allergies the TB patient may have.
PPE, such as surgical masks, do not prevent inhalation of the TB organism.
Instruments used on TB patients cannot be sterilized enough for use on other patients.

Question 144 of 150

144. Question

1 points

What course of action should an employee take if proper infection control precautions are not met?

Nothing.
Purchase own equipment.
Contact the CDC.
Contact OSHA.

Question 145 of 150

145. Question

1 points

Used barriers are examples of which of the following?

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

Question 146 of 150

146. Question

1 points

Which of the following will help prevent injury to the hands and wrist?

Increase leverage.
Avoid alternate pinch patterns
Decrease leverage.
Use digital strokes.

Question 147 of 150

147. Question

1 points

What is the first step of glove removal?

Wash the gloves.
Tuck one finger below the surface of the other glove.
Remove debris and contaminants.
Remove debris and contaminants. Tuck finger of one hand into the cuff of the other glove.

Question 148 of 150

148. Question

1 points

Goggles and glasses are _____ after each use.

Disinfected.
Disposed of
Wiped down.
Alcohol based rubbed.

Question 149 of 150

149. Question

1 points

The exposure control plan must be readily available to _____

Patients.
All workers.
The dentist only.
The dental assistant only

Question 150 of 150

150. Question

1 points

What should be done with pumice after polishing in the lab?

Dispose of it.
Sterilize it.
Disinfect it.
Wash it.

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