VOLUME 1

Question 1

(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

Answer 1

user.

Question 2

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

Answer 2

Organizational.

Question 3

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

Answer 3

Depot

Question 4

(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?

Answer 4

Preventive.

Question 5

(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?

Answer 5

Unscheduled.

Question 6

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

Answer 6

Press any other switch or the safety stop plate.

Question 7

(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?

Answer 7

Consult the manufacturer’s instructions and adjust them.

Question 8

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

Answer 8

Swivel/brake.

Question 9

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

Answer 9

BMET.

Question 10

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

Answer 10

3-way syringe and handpiece water spray only.

Question 11

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

Answer 11

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.

Question 12

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

Answer 12

low pressure and high volume.

Question 13

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

Answer 13

master ON-OFF switch.

Question 14

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

Answer 14

drive air pressure gauge.

Question 15

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

Answer 15

Handpiece lock-out toggle.

Question 16

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

Answer 16

Unscrew the tip nut completely to remove the tip.

Question 17

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

Answer 17

treatment site without projecting shadows.

Question 18

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

Answer 18

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

Question 19

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

Answer 19

Friction grip attachment.

Question 20

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

Answer 20

Latch contra-angle.

Question 21

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

Answer 21

High speed.

Question 22

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

Answer 22

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

Question 23

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

Answer 23

Eye strain and fatigue are increased.

Question 24

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

Answer 24

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

Question 25

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

Answer 25

Electric.

Question 26

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

Answer 26

Monthly.

Question 27

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

Answer 27

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

Question 28

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

Answer 28

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

Question 29

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

Answer 29

In the ear.

Question 30

(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

Answer 30

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

Question 31

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

Answer 31

escort the patient to the designated place.

Question 32

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

Answer 32

the paper side facing outward.

Question 33

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

Answer 33

Surgical.

Question 34

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

Answer 34

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

Question 35

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

Answer 35

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

Question 36

(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?

Answer 36

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

Question 37

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

Answer 37

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

Question 38

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

Answer 38

Congestive heart failure.

Question 39

(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

Answer 39

angina pectoris.

Question 40

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

Answer 40

physician reduces the dosage.

Question 41

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

Answer 41

Supplemental oxygen.

Question 42

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

Answer 42

Clearance by Public Health.

Question 43

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

Answer 43

a source of sugar.

Question 44

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

Answer 44

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

Question 45

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

Answer 45

Liver.

Question 46

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

Answer 46

Hepatitis B and Hepatitis C.

Question 47

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

Answer 47

Emergency.

Question 48

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

Answer 48

Second.

Question 49

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

Answer 49

Early detection, evaluation, and treatment of hypertension.

Question 50

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

Answer 50

only on the AF IMT 696.

Question 51

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

Answer 51

Nib.

Question 52

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

Answer 52

near the center.

Question 53

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

Answer 53

formula number.

Question 54

(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?

Answer 54

Cotton forceps.

Question 55

(015) Store anesthetic carpules

Answer 55

at room temperature.

Question 56

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

Answer 56

punch.

Question 57

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

Answer 57

#00, #W00, and #2.

Question 58

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

Answer 58

Vernier caliper.

Question 59

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

Answer 59

Iwanson spring caliper.

Question 60

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

Answer 60

Shank.

Question 61

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

Answer 61

is brittle and has a tendency to fracture under pressure.

Question 62

(016) Which numbers identify straight crosscut fissure burs?

Answer 62

556, 557, 558, 559, and 560.

Question 63

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

Answer 63

Inverted cone.

Question 64

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

Answer 64

Concave, tapered fissure.

Question 65

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

Answer 65

Diamond.

Question 66

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

Answer 66

Coarse.

Question 67

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

Answer 67

Safe-sided.

Question 68

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

Answer 68

Within an arm’s length.

Question 68

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

Answer 68

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

Question 69

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

Answer 69

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

Question 70

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

Answer 70

assistant’s zone.

Question 71

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

Answer 71

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

Question 72

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

Answer 72

in front.

Question 73

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

Answer 73

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

Question 74

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

Answer 74

Toward the treatment site.

Question 75

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

Answer 75

parallel the handles before the exchange.

Question 76

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

Answer 76

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

Question 77

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

Answer 77

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

Question 78

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

Answer 78

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

Question 79

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

Answer 79

a high-volume evacuator.

Question 80

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

Answer 80

Washed field.

Question 81

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

Answer 81

Firm enough to prevent slippage.

Question 82

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

Answer 82

a ligature.

Question 83

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

Answer 83

upward and away from the forceps.

Question 84

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

Answer 84

a dull instrument.

Question 85

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

Answer 85

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

Question 86

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

Answer 86

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

Question 87

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

Answer 87

Accelerates the set.

Question 88

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

Answer 88

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

Question 89

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

Question 90

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

Answer 90

2 to 3 mm.

Question 91

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

Answer 91

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

Question 92

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

Answer 92

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

Question 93

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

Answer 93

over the maxillary tuberosity and posterior teeth.

Question 94

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

Answer 94

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

Question 95

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

Answer 95

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

Question 96

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

Answer 96

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

Question 97

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

Answer 97

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

Question 98

(026) Hydrogen peroxide should be stored

Answer 98

in a cool, dark place.

Question 99

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

Answer 99

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