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CDC 4Y051O > VOLUME 1 > Flashcards

VOLUME 1 Flashcards

1
Q

(001) The level of maintenance that includes actions relating to proper operation, daily inspection, cleaning, simple lubrication, and minor exterior repair and operational adjustment of equipment is called

A

user.

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2
Q

(001) Inspecting, servicing, lubricating, adjusting, repairing, calibrating, modifying, and replacing parts of assemblies and subassemblies are included in what level of maintenance?

A

Organizational.

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3
Q

(001) Major repairs, overhauls, rebuilding of components and subassemblies, and manufacture of parts are normally limited to what level of maintenance?

A

Depot

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4
Q

(002) What level of maintenance includes the systematic care, servicing, and inspection of equipment, and detection and correction of all minor faults before they develop into major
defects?

A

Preventive.

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5
Q

(002) What type of maintenance involves troubleshooting to isolate the cause of equipment malfunction, and replacing or adjusting components or subsystems to restore normal function, safety, performance, and reliability of medical equipment?

A

Unscheduled.

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6
Q

(003) How can you stop a dental chair once the preposition or auto return switch is activated?

A

Press any other switch or the safety stop plate.

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7
Q

(003) What must you do if the preset positions of the preposition or auto return switches on the dental chair are not correct for treatment?

A

Consult the manufacturer’s instructions and adjust them.

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8
Q

(003) What feature allows the dental chair to rotate to approximately 45 degrees from either side of the center and then lock in position?

A

Swivel/brake.

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9
Q

(003) Repairing or replacing the inner workings of the dental chair’s hydraulic and electrical systems is done by the

A

BMET.

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10
Q

(004) What dental unit system is affected by a malfunctioning water system?

A

3-way syringe and handpiece water spray only.

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11
Q

(004) The central vacuum system requires what maintenance action be done after each patient?

A

Draw clean water through the HVE and saliva ejector to clear any debris, rinse with water, and then draw air through the system for a few seconds to clear all water from the hoses.

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12
Q

(004) The dental unit’s HVE works on the principle of

A

low pressure and high volume.

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13
Q

(004) The air and water to the dental unit’s control system is turned on by the

A

master ON-OFF switch.

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14
Q

(004) A visual indication of the pressure to the handpiece in psi is displayed on the

A

drive air pressure gauge.

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15
Q

(004) When burs are being placed or removed which item is used as a safety precaution to control drive air and coolant?

A

Handpiece lock-out toggle.

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16
Q

(004) What step does not apply when removing and replacing the 3-way syringe?

A

Unscrew the tip nut completely to remove the tip.

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17
Q

(005) When the light is properly positioned, it will illuminate the

A

treatment site without projecting shadows.

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18
Q

(005) Always use the wrapper to protect the bulb when installing it into the dental light in order to

A

guard the bulb from collecting finger oils that can affect performance and bulb life.

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19
Q

(006) Which low-speed handpiece attachment uses rotary instruments with a smooth shank 1 ½ inches in length?

A

Friction grip attachment.

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20
Q

(006) Which low-speed handpiece attachment uses a notched, short shank, ½-inch rotary instrument?

A

Latch contra-angle.

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21
Q

(006) Which handpiece is used in cavity preparations to remove the bulk of enamel, dentin, and old metal restorations?

A

High speed.

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22
Q

(006) Which statement does not apply to the proper maintenance of the high-speed handpiece?

A

The manufacturer’s instructions contain information on lubrication requirements only.

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23
Q

(006) Which statement about using fiber optics in dentistry does not apply?

A

Eye strain and fatigue are increased.

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24
Q

(006) How do you clean the handpiece’s fiber optic surfaces?

A

Wet a cotton swab with isopropyl alcohol and use it on both ends of the handpiece before sterilization.

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25
Q

(006) Which handpiece is portable, lightweight, and has variable speeds of 2,500 to 25,000 rpm?

A

Electric.

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26
Q

(007) How often should mobile chair caster bearings be lubricated?

A

Monthly.

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27
Q

(007) To remove objects that have fallen through the prong opening of an amalgamator,

A

unplug the unit, turn it upside down, and gently rotate it back and forth.

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28
Q

(007) When using the VLC unit, the high-intensity light radiation emitted requires

A

patients and staff to wear protective glasses that match the unit’s radiation output.

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29
Q

(008) Where is the tympanic thermometer placed in order to record a patient’s temperature?

A

In the ear.

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30
Q

(009) Before a patient’s appointment, both you and the dentist screen the patient’s dental health record for all of the following reasons except

A

checking for communicable diseases to determine the level of infection control required

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31
Q

(010) When your patient is referred to another area in the clinic, you should

A

escort the patient to the designated place.

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32
Q

(010) The proper way to place a routine plastic-backed paper drape on a patient is with

A

the paper side facing outward.

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33
Q

(010) What type of drape is used when there is a good chance of contamination?

A

Surgical.

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34
Q

(010) You have a patient seated and draped. Your next step is to position the light. To do this properly, you position the light

A

toward the area beneath the patient’s chin and turn the light on to adjust toward the appropriate arch.

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35
Q

(011) If the medical health history form for a patient is current, why must you interview the patient before beginning treatment?

A

To determine if there have been any changes since the patient was last treated.

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36
Q

(011) Since it is not always easy for the patients to share private, personal information, how should you discuss each question on the AF Form 696 with a patient?

A

Listen and accept the patient’s attitudes and perceptions without judging.

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37
Q

(011) Which patient diseases or conditions could require antibiotic treatment prior to dental treatment?

A

Artificial heart valves, congenital heart disease, rheumatic fever, or heart murmur.

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38
Q

(011) Which disease or condition may cause a patient to be unable to tolerate the supine position used for most dental procedures?

A

Congestive heart failure.

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39
Q

(011) At the time of dental treatment, you should always ensure that a patient has his or her nitroglycerin medication if he or she has

A

angina pectoris.

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40
Q

(011) If a patient on anticoagulants is having dental treatment, the

A

physician reduces the dosage.

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41
Q

(011) What should be readily available for patients with severe emphysema?

A

Supplemental oxygen.

42
Q

(011) What is required before patients with active tuberculosis can receive nonemergency (routine) dental treatment?

A

Clearance by Public Health.

43
Q

(011) You suspect a patient is experiencing insulin shock. In this situation you would administer

A

a source of sugar.

44
Q

(011) When a patient indicates a history of kidney trouble, it is important that you identify if this patient has had

A

a kidney transplant, severe renal disease, and dialysis treatment.

45
Q

(011) What disease is usually associated with an excess of bilirubin causing the skin and eyes to turn yellow?

A

Liver.

46
Q

(011) Which hepatitis types are transmitted by viruses and have carrier states?

A

Hepatitis B and Hepatitis C.

47
Q

(011) What type of dental treatment can be provided for a patient undergoing chemotherapy?

A

Emergency.

48
Q

(011) For pregnant patients, what trimester is considered the best time to provide dental treatment?

A

Second.

49
Q

(012) Dental clinics support which of these medical objectives of the hypertension screening program?

A

Early detection, evaluation, and treatment of hypertension.

50
Q

(012) The patient’s blood pressure reading is routinely recorded

A

only on the AF IMT 696.

51
Q

(013) What is the working part of a condensing dental instrument?

A

Nib.

52
Q

(013) The identification number of a double-ended dental instrument is usually found

A

near the center.

53
Q

(013) The width, length, angle, and sometimes the angle or curvature of a dental instrument blade is described by the

A

formula number.

54
Q

(014) Which instrument is used to detect minute breaks in the pits and fissures, find defective margins or restorations, and check the depth of cavities?

A

Cotton forceps.

55
Q

(015) Store anesthetic carpules

A

at room temperature.

56
Q

(015) To make the necessary spaced holes in a rubber dam, you would use the rubber dam

A

punch.

57
Q

(015) Which rubber dam clamp sizes are commonly used in pediatric dentistry?

A

00, #W00, and #2.

58
Q

(015) The instrument commonly referred to as a Boley gauge is the

A

Vernier caliper.

59
Q

(015) Which type of gauge is available with sharp points for porcelain and metal, and rounded points for wax and plastic?

A

Iwanson spring caliper.

60
Q

(016) Which part of a bur fits into a handpiece?

A

Shank.

61
Q

(016) A disadvantage of a carbide bur is that it

A

is brittle and has a tendency to fracture under pressure.

62
Q

(016) Which numbers identify straight crosscut fissure burs?

A

556, 557, 558, 559, and 560.

63
Q

(016) Which bur is best suited for making undercuts in cavity preparation?

A

Inverted cone.

64
Q

(016) What is the shape of a #6 finishing bur?

A

Concave, tapered fissure.

65
Q

(016) Which type of bur is available in a wide variety of sizes and grits?

A

Diamond.

66
Q

(017) What disk grit type is used on a dental rotary instrument for gross reduction and contouring?

A

Coarse.

67
Q

(017) What do you call an abrasive disk that only has one side covered with abrasives?

A

Safe-sided.

68
Q

(018) To maintain the dental team’s seated position, where do you place objects used during four-handed dental treatment?

A

Within an arm’s length.

68
Q

(018) When four-handed dentistry is performed, the

A

provider’s hands and eyes remain in the treatment zone.

69
Q

(019) When performing four-handed dentistry procedures, a right-handed provider is between the

A

8 and 11 o’clock position, and the right-handed assistant is between the 2 and 4 o’clock position.

70
Q

(019) In four-handed dentistry, instruments and materials are located in the

A

assistant’s zone.

71
Q

(019) When performing four-handed dentistry, your (the dental assistant’s) eye level should be

A

4 to 6 inches above the provider’s eye level.

72
Q

(019) To provide support during four-handed dentistry, position the curved, movable armrest of the assistant’s chair

A

in front.

73
Q

(020) In four-handed dentistry, the next instrument in the working stage is held

A

close to the treatment area and parallel to the instrument being used.

74
Q

(020) In four-handed dentistry, how should you position the working end of the instrument you are passing to the provider?

A

Toward the treatment site.

75
Q

(020) Instruments becoming tangled during the instrument exchange are usually caused by

A

parallel the handles before the exchange.

76
Q

(021) The proper sequence for assembling the aspirating syringe is to

A

insert the carpule with the rubber stopper end in first, positioned toward the plunger, then attach the needle and engage the piston rod.

77
Q

(021) The disassembly sequence for the aspirating syringe is to

A

disengage the harpoon, remove the cartridge, and remove the needle.

78
Q

(022) Which of the following is used for irrigation during routine dental restorative procedures?

A

Water or water spray from the dental unit’s 3-way syringe.

79
Q

(022) To remove a large volume of fluid from an oral cavity without exerting injurious suction pressure to oral soft tissue, you would use

A

a high-volume evacuator.

80
Q

(022) What technique draws the handpiece water spray across the tooth keeping the tooth cool and the cavity preparation clear of debris?

A

Washed field.

81
Q

(022) What type of pressure do you apply to tissue you are retracting?

A

Firm enough to prevent slippage.

82
Q

(023) To prevent the patient from aspirating or swallowing the rubber dam clamp, you use

A

a ligature.

83
Q

(023) The rubber dam clamp is placed onto the rubber dam forceps with the bow of the clamp facing

A

upward and away from the forceps.

84
Q

(023) To invert the rubber dam on the facial and lingual areas of the exposed teeth, you would use

A

a dull instrument.

85
Q

(023) When removing the rubber dam, remove the septa by

A

cutting each septum from the facial aspect and pulling the dam lingually.

86
Q

(024) In dentistry, preliminary impressions are used to fabricate

A

study casts, orthodontic casts, custom trays, and mouthguards.

87
Q

(024) What affect does heat have on alginate impression material?

A

Accelerates the set.

88
Q

(024) When making a preliminary impression, patients should be

A

upright with their head against the headrest and their occlusal plane parallel to the floor.

89
Q

(024) What instructions do you give to the patient regarding the preliminary impression procedure?

A
90
Q

(024) How much space must be between the rim-lock impression tray and the occlusal or incisal edges of the teeth?

A

2 to 3 mm.

91
Q

(024) To remove blood, mucous, and saliva from an alginate impression and ensure good surface detail, you

A

clean and rinse the impression under cool tap water and shake to remove excess water.

92
Q

(024) While you are making maxillary impressions, have the patient lean forward

A

to prevent the material from running down the patient’s throat.

93
Q

(024) To properly make a maxillary impression your first contact of the impression material is made

A

over the maxillary tuberosity and posterior teeth.

94
Q

(024) To remove the maxillary impression from the patient’s mouth, you

A

insert your finger facially and push down at the third molar area.

95
Q

(025) Which procedure best describes how to position the dental chair and unit when dismissing the patient?

A

Move the dental light and bracket tray out of the way; lower the chair, and move the arm of the chair.

96
Q

(025) Which example best identifies why administrative tasks associated with patient treatment should not be delayed?

A

Forgotten details could impact medical-legal accuracy of the dental health record and productivity reports.

97
Q

(026) Which method best describes managing your treatment room stock levels?

A

Keep a daily list of the stock items that are used.

98
Q

(026) Hydrogen peroxide should be stored

A

in a cool, dark place.

99
Q

(026) Which statement best identifies how to ensure the currency of dated items?

A

Keep older items in front to use first, and check the expiration dates of items stamped or imprinted by the manufacturer.

CDC 4Y051O (3 decks)

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