Which of the following correctly describes the procedure for performing a full mouth rinse when assisting a right-handed

Spray from right to left keeping the suction tip in the left posterior vest

When providing patient education to the hearing-impaired patient, the communicator should

make eye contact and speak slowly.

If an error is made in the patient written record while documenting treatment, the assistant should

draw a single line across and initial

The primary purpose of activating the scavenger system during nitrous oxide/oxygen administration is to

limit the amount of nitrous oxide released in the treatment room.

In performing suture removal, care should be taken to prevent

pulling the knot through the tissue

When a patient is referred to a specialist for treatment, the assistant should

send a copy of the patient perminent info to the specialist

What procedure will prevent the leakage of saliva when placing a dental dam for moisture control?

Inverting the edges of the dental dam

While removing a universal matrix band, the dental assistant should

gently lift the band in an occlusal direction

The BEST way to maintain the dental equipment used in the treatment room is to

Follow the manufacturers recommendation

It is important to recognize the legal responsibilities of the dental assistant in relation to the state's

. which duties can be legally performed.

When transferring instruments with hinges such as surgical forceps and scissors, the assistant should

Grasp the hinge & direct the handles to the Dr palm

What should the dental assistant do when attaching the high volume evacuator (HVE) tip to the suction unit handle?

Push the tip through a protective barrier placed to cover the handle.

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Questions 110

Answers

1
Which of the following correctly describes the procedure for performing a full mouth rinse when assisting a right-handed
The patient turns toward the dentist to allow fluid to pool on the right
Spray from right to left keeping the suction tip in the left posterior vest
The mandibular arch is rinsed first, followed by the maxillary arch
The suction tip should follow the air/water syringe tip as all surfaces are
2
Once the amalgam filling material has been condensed into the Class II cavity preparation, the next step is to
remove the wedge
triturate the mercury
burnish the restoration
floss the contact
3
An intermediate local anesthesia administered to a patient will have a duration time of
60-90 minutes
120-240 minutes
245- 310 minutes
30-45 minutes
4
The use of vasoconstrictors in local anesthesia is CONTRAINDICATED for patients with a history of
penicillin allergy
asthma
hypogylcemia
unstable angina
5
What portion of an insurance form requires the patient's signature to authorize direct pay to the provider?
Informed consent
Release of information
Assignment of benefits
Direct reimbursement
6
When providing patient education to the hearing-impaired patient, the communicator should
show pictures and speak loudly.
make eye contact and speak slowly.
provide written materials and avoid speaking.
consult the dentist before speaking.
7
The endodontic instrument used to remove pulp tissue from the root canal is called a
reamer
broach
Hedstrom file
Lentulo spiral
8
The tank colors for nitrous oxide and oxygen are
green and black
black and red
red and green
blue and green
9
If an error is made in the patient written record while documenting treatment, the assistant should
have the dentist make the correction
black out the incorrect information
draw a single line across and initial
Ask the office manager to make the correction
10
Which of the following anatomical structures supports the tooth in its position in the maxilla or mandible?
Periodontal ligament
Alveolar bone
Dentin
Apical foramen
11
minimum of minutes that 100 percent oxygen should be administered to a patient following nitrous oxide/oxygen sedation
7
3
5
9
12
Which of the following would be included in the setup for an in-office bleaching procedure?
High powered light
Boxing wax
impression trays
13
Dental office appointment schedules may include blocks of time set aside for emergency patients. This time is called
double booking
prime time
buffer time
the dovetail
14
The primary purpose of activating the scavenger system during nitrous oxide/oxygen administration is to
prevent the oxygen tank from inadvertently shutting off.
assure that the patient will receive at least 30 percent oxygen.
limit the amount of nitrous oxide released in the treatment room.
help to create a full seal with the nosepiece.
15
A plastic matrix strip is used to adapt the shape of a tooth for a(an)denture sealant.amalgam.liner.composite.
composite
Liners
Amalgam
Denture sealant
16
Which of the following would be included in the setup for a direct composite restoration?
impression tray
Finishing burs
curette
#151 forceps
17
When assisting in the electronic pulp vitality test, which tooth is measured first?
Maxillary first molar
Control tooth
Mandibular first molar
Suspect tooth
18
Which of the following medical conditions is a contraindication for using nitrous oxide?
Angina
Emphysema
Diabetes
Hypertension
19
In performing suture removal, care should be taken to prevent
pulling the knot through the tissue
using antiseptic on the tissue
retention of resorabable sutures
20
When a patient is referred to a specialist for treatment, the assistant should
send the patients original patient record to the specialist
have the patient sign an inform consent before sharing the info
send a copy of the patient perminent info to the specialist
Have the patient sign a copy of the office Hipaa policy
21
When assisting a right-handed dentist, the high volume evacuation tip is
grasped using the right hand.
positioned with the bevel toward the cheek.
positioned with a reverse palm-thumb grasp.
grasped with the left hand.
22
Which extraction forceps number would be found on a tray set up for the extraction of tooth number 25?
15
210
150
151
23
The air/water syringe is primarily used during the coronal polishing procedure to
encourage drying of the mucosa
dry the tooth surfaces
irrigate the oral cavity
remove the remaining paste
24
What procedure will prevent the leakage of saliva when placing a dental dam for moisture control?
Inverting the edges of the dental dam
Using stabilizing cord between the contacts
Lubricating the underside of the dental dam
Placing a softened wax compound around the clamp
25
Prior to applying topical fluoride, what should be done to increase the uptake of fluoride?
Plaque should be removed.
Calculus should be removed.
The patient should rinse with mouthwash.
The arch should be moistened with water.
26
Which of the following is an example of an expendable dental supply?
exodontia forceps
curing light
diamond burs
ultrasonic scaler
27
Which of the following types of consent would be the most beneficial defense in a lawsuit claiming suffering?
written
Restrictive
verbal
Implied
28
What type of orthodontics is practiced when using a fixed or removable appliance that is applied to a crossbite?
limited
interceptive
preventive
corrective
29
Which chemical agent is widely used in the in-home whitening technique?
Potassium nitrate
Chlorhexidine
Carbamide peroxide
Polycarboxylate
30
Which local anesthetic solution would have the longest duration (half-life)?
Lidocaine HCl 1:100,000
Lidocaine HCl 1:50,000
Mepivacaine HCl
Mepivacaine HCl 1:20,000
31
Calcium hydroxide used in a restorative procedure is an example of a/an
Dentin sealer
Liner
Etchant
Varnish
32
The employee who receives insurance as a benefit through an employer is considered to be the insurance
beneficiary
Provider
carrier
subscriber
33
Which of the following would be included in the tray setup for the delivery of a full denture?
Dental compound
Articulating paper
Saline solution
Prophy cup and paste
34
The most critical aspect of effective communication is the ability to implement
empathy skills.
questioning skills.
listening skills.
nonverbal skills.
35
Which of the following instruments would be found on the dental implant tray setup?
Tofflemire band
Gates-Glidden bur
Periosteal elevator
Young frame
36
Which of the following would be included in the tray setup for a sealant application
Floss
Abrasive strip
cleoid discoid
Spoon excavator
37
A correctly fitting impression tray has sufficient depth to leave a minimum occlusal/incisal clearance of
0.5mm
1.5 mm
1.0mm
2.0 mm
38
Which classification of motion includes movement of the fingers, wrist, and elbow?
class IV
class V
class III
class II
39
While removing a universal matrix band, the dental assistant should
gently lift the band from the mesial direction
use cotton pliers to remove the retainer
gently lift the band in an occlusal direction
remove the band from the distal portion first
40
How long should topical fluoride gel remain in contact with the teeth for optimal effectiveness?
6 minutes
5 minutes
7 minutes
4 minutes
41
Which of the following determines the rate of gas administered during the application of nitrous oxide/oxygen?
Gas hose
Flow meter
Nosepiece
Reservoir bag
42
The Occupational Safety and Health Administration (OSHA) guidelines do NOT include the
Hazard Communication standard
bloodborne pathogens standard
Infection Control standard
ionizing radiation standard
43
Which of the following would be included in the setup for the removal of an impacted third molar?
retraction cord
high speed handpiece
dental dam clamp forceps
spoon excavator
44
When assisting a left-handed dentist, the dental assistant should hold the oral evacuator tip with
both hands simultaneously
right hand
left hand
45
Which of the following is an adverse effect of peroxide-based tooth whitening procedures?
increased caries
extrinsic staining
tissue irritation
decreased saliva
46
The BEST way to maintain the dental equipment used in the treatment room is to
Purchase a service contract
perform weekly maintenace
Follow the manufacturers recommendation
maintain a detail service record
47
It is important to recognize the legal responsibilities of the dental assistant in relation to the state's
. HIPAA practicecontrols.
. the dental practicepolicies.
. which duties can be legally performed.
OSHA rules andregulations
48
What factor will be considered when determining the reorder point for dental supplies?
lead time
reorder quantity
shelf life
price break
49
Local anesthesia containing lidocaine HCl with epinephrine 1:50,000 lasts approximately how many minutes?
90
30
120
60
50
When transferring instruments with hinges such as surgical forceps and scissors, the assistant should
Grasp the hinge & direct the handles to the Dr palm
Position the instrument on the bib for the dentist to pick up
Grasp the handle & pass the hinge to the dentist palm
Grasp the distal end of the handle & lay handles on Dr. palm
51
What should the dental assistant do when attaching the high volume evacuator (HVE) tip to the suction unit handle?
Use a modified pen grasp to avoid crushing or bending the tip.
Push the tip through a protective barrier placed to cover the handle.
Rinse the HVE tip first with warm water to assure a tight seal.
Activate the saliva ejector first to release pressure to the HVE hose.
52
Which biopsy procedure involves removal of the entire lesion along with normal adjacent tissue?
Aspirational
Excisional
Exfoliative
Incisional
53
When selecting pastes for the coronal polishing procedure, it is most important to consider the
brand.
color.
taste.
grit.
54
Which of the following should be included when using a matrix during a Class Il restoration?
Mylar strip
Widgit
Wedge
Floss threader
55
portable equipment such as curing lights and nitrous oxide machines are used in which zone of operation are they placed
Transfer zone
Assistant zone
Static zone
Operator zone
56
The correct sequence of items for a Class III composite restoration tray, based upon order of use is
shade guide, bonding agent, abrasive strips, Mylar matrix strip
bonding agent, Mylar matrix strip, shade guide, abrasive strips
shade guide, Mylar matrix strip, bonding agent, abrasive strips
abrasive strips, bonding agent, Mylar matrix, shade guide
57
The primary cause of failure of pit and fissure etched surfaces is
moisture contamination
curing light
etching
58
Adjustment of which of the following is a CONTRAINDICATION for use of a laboratory bur?
partials
custom trays
composites
dentures
59
When seating and positioning the patient for dental treatment, the dental assistant should apply PPE
prior to applying the bib and positioning the chair and dental light.
prior to picking up the chart and reviewing the patient treatment.
after applying the bib and positioning the chair and dental light.
after introducing themselves and inviting the patient to sit in the chair
60
An overdose of topical anesthetic spray may cause
alleviation of pain.
absorption in the bloodstream.
an increased gag reflex.
hypersecretion of the salivary glands.
61
Which of the following consent types is obtained if a patient needs an oral surgical procedure?
HIPAA
Informed
Legal
Implied
62
employee has an exposure incident, doc of the incident needs to be maintained in the employee record for the length of
one year
15 years
five years
30 years
63
Consent for dental treatment of minors should be obtained from the
office manager
legal guardian
school record
dentist
64
The dental team can help meet patients' needs by
making humorous remarks.
encouraging questions.
disregarding complaints.
delaying the appointment.
65
An excavator, hoe, chisel, hatchet and gingival margin trimmer are examples of
oral surgery instruments.
hand cutting instruments.
examination instruments.
accessory instruments.
66
When properly positioned on the stool, the assistant sits
4-6 inches above the operator
14-16 inches from the patient's oral cavity
with knees facing the patient head rest
with feet resting flat on the floor
67
When preparing the patient for a basic oral exam, how is the patient positioned in the dental chair?
Supine
trendelenburg
upright
Subsupine
68
When working with a right-handed dentist, the 12 to 2 o'clock position is known as the
assistant's zone
transfer zone.
static zone.
operator's zone.
69
When filing patient records, which of the following would come first in the alphabetic sequence?
Jane Smith
J.A. Smith
Jane A. Smith
Jane Ann Smith
70
What instrument would be used to smooth the edges of a stainless steel crown after adjusting its height?
green stone
Crown and bridge scissors
Contouring and crimping pliers
Inverted cone bur
71
Which dental team member is legally authorized to prescribe a medication for a patient?
Dental Lab tech
Dental Assistant
Dental Hygienist
Dentist
72
What instrument may be used for smoothing the root surface and removing necrotic soft tissue of a periodontal pocket?
Scaler
Periotome
Curette
Rongeurs
73
To prevent alveolitis after a tooth extraction, the patient should be instructed to
rinse vigorously the first 24 hours.
avoid drinking through a straw.
place ice packs on the face.
take aspirin for the first 24 hours.
74
The use of dry angles during moisture control activities controls saliva flow from
Wharton's duct `
Stenson's duct
the ducts of Bartholin
the ducts of Rivinus
75
An FG37 bur is intended for use on which of the following handpieces?
Rotary
High speed
Fiber Optic
Low speed
76
Finishing burs differ from cutting burs in that finishing burs have a
larger circumference.
greater number of blades
variety of working lengths.
variety of shank sizes.
77
Which nerve must be blocked with local anesthesia to numb the posterior palatal region?
Greater palatine
Intraorbital
Nasopalatine
Incisive
78
transferring instruments using a single-handed technique, transferred from the tray to the transfer zone should be
horizontally to the patients bib
perpendicular to the patients chin
To the left of the patient mouth
Parallel to the instrument of the dentist hand
79
During the try-in appointment for a partial denture, the appliance consists of
cast metal framework, but no artificial teeth.
baseplate and occlusal/bite rims.
baseplate with the artificial teeth set in wax.
framework with the artificial teeth set in wax.
80
Which of the following instruments will be passed in a manner of the dentist to employ a palm grasp?
amalgam carrier
Kirkland knife
Rongeurs
cotton pliers
81
the correct manner for passing an instrument to a right-handed dentist using the two-handed instrument transfer
right hand picking it up by the non working end
left hand, picking it up by the working end
right hand, picking it up by the working end
left hand picking it up by the non-working end
82
Spreaders and pluggers are used in the
Obturation of a root canal
Placement of a gold foil
Placement of an amalgam restoration
Seating of a Maryland bridge
83
When retrieving an instrument from the dentist, the instrument should be placed
in a container of holding solution placed near the tray
in the transfer zone on top of the patient's bib
back on the tray setup in its proper order of use
back on the tray setup behind any unused instruments
84
Vitality response by use of a low-frequency current involves which of the following procedures?
thermal sensitivity testing
electronic pulp testing
radiographic imaging
percussion and palpation
85
Which of the following bur numbers designates a straight fissure plain cut bur?
34
18
56
75
86
A diabetic patient's appointment time is best scheduled
in the late evening
in the early morning
before meal time
after the meal time
87
When retrieving an instrument from the right-handed dentist using the single-handed transfer technique the DA
applies the palm-thumb technique using any available free hand.
extends the right palm under the instrument to catch it upon dentist's re
uses the thumb and first finger of the left hand to lift it from the dent
uses the last two fingers of the left hand then tucks it toward the palm.
88
When assisting in the maxillary posterior region, the dental assistant should secure the cotton roll
in the mucobuccal fold.
lingual to the first molar.
vertically against the cheek.
next to the first premolar.
89
Which of the following would be included in the setup for the cementation of an orthodontic band?
Tofflemire retainer
scaler
distal end cutter
mosquito hemostat
90
Which of the following instruments would be found on the root planing tray setup?
straight elevator
t-ball burnisher
gingival margin trimmer
universal curette
91
When seating a patient in the dental treatment room, the patient's personal items should be placed
safe place away from the procedure
Static zone behind the patient
patients lap under bib
left side of the dental chair
92
Prior to placing a dental dam on a patient, the provider should
review the medical history
provide cleaning instructions
administer nitrous oxide/ oxygen sedation
obtain the fee for the procedure
93
When scheduling appointments, allowing for buffer times permits later scheduling for patients in need of
major restorative work.
emergency dental care.
dental prophylaxis.
continuing dental care.
94
What does the dental assistant do with his/her right hand when assisting a right-handed dentist during a procedure?
receive instruments
pass the instruments
hold the suction
use the three-way syringe
95
When picking up an instrument to pass using a single-handed technique, the dental assistant grasps the
working end of the instrument.
instrument in the most comfortable spot.
instrument on the end opposite the working end.
middle of the instrument.
96
During the removal of cotton rolls, the air/water syringe is used to
prevent gingival damage
prevent mucosal tear
prolong the life of the restoration
prolong cotton use
97
What color of symbols should be used when charting treatment that needs to be completed in the patient’s clinical record
Red
Green
blue
Black
98
The tray setup for the treatment of alveolitis would include
iodoform gauze
gingival retraction cord
Ronguers
Kirkland knives
99
During denture construction procedures, the appointment that follows the final impression is the
border molding and muscle trimming
denture delivery and home-care instructions
try-in of baseplate and biterims
wax try-in with artificial teeth
100
Which of the following is a CONTRAINDICATION to the coronal polishing procedure?
Missing teeth
Hypersensitive teeth
restored teeth
Recently scaled teeth
101
What number hole size is selected for the keypunch opening of the dental dam?
3
4
5
2
102
The correct sequence of dental instruments for a Class I amalgam restoration tray, based upon order of use is
burnisher, condenser, excavator, cleoid-discoid
cleoid-discoid, burnisher, excavator, condenser
excavator, condenser, burnisher, cleoid-discoid
condenser, burnisher, cleoid-discoid, excavator
103
Which of the following would be a nonexpendable item in the dental office inventory?
dental cement
dental chair
curing light
anesthetic
104
Which of the following is one symptom of damaged pulpal tissue?
Gingivitis
Inner ear pain
Pain during mastication
Sinus pressure
105
Which of the following should be done FIRST if an adult patient does not have a pulse?
call the patient's medical doctor
call for emergency assistance
administer CPR
administer oxygen
106
If a back-order notice is received, it means the
supply will automatically be shipped when available
supply must be paid for prior to shipment
order should be placed with a different company
order should be resubmitted at a later date
107
Proper ergonomic positioning when working from the operator's location includes
keeping the thighs angled downward at a 60-degree angle to the floor.
positioning the elbows close to the body.
holding the elbows at a 45-degree angle from the shoulders.
keeping the feet arched behind the hips.
108
To prevent the dental dam from slipping, when applying a dental dam the dental assistant should attach a ligature to the
frame
forceps
clamp
tooth
109
the following is used to describes the jaws closed in position that produces maximal stable contact bet the max & mand
Centric Occlusion
Bite registration
Functional relationship
End to End position
110
The presence of which of the following is an indication for selective coronal polishing?
Recession areas
Newly erupted teeth
Demineralization
stained areas

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