Test Bank For Modern Dental Assisting 13th Edition By Doni L.
Bird; Debbie S. Robinson 9780323624855 Chapter 1-64
Complete Guide .
Permanent Dentition is made up of how many teeth? - ANSWER: 32
Which teeth are sometimes called "eye teeth"? - ANSWER: Canines
Which proximal surface of a tooth is closest to the midline of the body? - ANSWER: Mesial
Permanent dentition is composed of how many premolars? - ANSWER: 8
When a mouth is divided into fourths, what are the parts referred to as? - ANSWER: Quadrants
Using the universal system of tooth designation, what tooth is #12? - ANSWER: Maxillary left first
premolar
Using the international standards organization system of tooth recording, which tooth is #25? -
ANSWER: Maxillary left second premolar
What is the structure that connects cementum to the alveolar bone? - ANSWER: PDL: Periodontal
Ligament
On a chart a gold crown is marked by: - ANSWER: Diagonal lines through the crown
A dental assistant is preparing to chart a new patient's treatment plan for the doctor. Tx provided in a
previous dental office should be charted in color? - ANSWER: Black
Two red vertical lines drawn between the upper central incisors on a patient chart would indicate:
a) extraction of mesiodens
b) diastema
c) drifting
d) fixed bridge - ANSWER: B) Diastema
Recommended technique for determining a patient's pulse or respiration rate is to: - ANSWER:
Measure by 30 seconds and multiply by 2
To determine how much to inflate a BP cuff for an accurate reading, you must measure BPM and add
___ to determine inflation level - ANSWER: 40 mmHg
Average adult respiration rate is: - ANSWER: 10-20
What is the normal pulse rate in a resting adult? - ANSWER: 60-100 bpm
Standard practice provides, and some state laws require, that a signed privacy policy be kept in a
patient's file for a minimum of __ year(s).
A) 1
B) 2
C) 3
D) None of the above - ANSWER: D) None of the above
Some practices keep them for 6 years, some states require 5 years minimum
What is not part of a dental exam?
A) Radiographs
,B) Soft Tissue Inspection
C) Impressions
D) Health History Review - ANSWER: D) Health History Review
Not part of the dental exam but should be considered when assessing the patient's needs
What classification of decay is located on the gingival third on the facial or lingual surfaces of teeth? -
ANSWER: Class V (5)
Which teeth are Class IV (4) decay located on? - ANSWER: Incisors
What is another name for the neck of the tooth? - ANSWER: CEJ
Cementoenamel Junction
What type of tissue covers alveolar bone attaching to the teeth at the margin of the gumlines? -
ANSWER: Epithelial Attachment
What is the tissue that divides the nasal cavity into 2 parts? - ANSWER: Septum
Which nerve is the primary nerve for the mouth? - ANSWER: Trigeminal
The pituitary gland is part of what body system? - ANSWER: Endocrine
What position places the chair back until the patient is almost lying down? - ANSWER: Supine
What is the best method of identifying working positions by a dental auxiliary?
A) Ergonomics
B) Clock Conception
C) Patient Cooperation
D) Range of Motion - ANSWER: B) Clock conception
Dividing the tx area into zones helps to identify the appropriate working positions
When transferring an instrument from a right-handed operator, the assistant uses the ___ finger(s) on
their left hand. - ANSWER: last two
When transferring an instrument to the dentist, the dental assistant should:
A) transfer w/ sharp edge pointing toward them
B) transfer w/ working end facing the dentist
C) transfer w/ working end facing themselves
D) transfer w/ working end facing down - ANSWER: C) Transfer w/ working end facing themselves
Allows the dentist to receive the instrument in a way that allows immediate use w/o adjustment
Most of the time a dental assistant will be working in what "time zone" during a procedure? -
ANSWER: 2-4
Which chair has a foot bar for support? - ANSWER: Assistant's chair
High volume evacuator tips should be placed slightly __ to the tooth being prepared
A) Occlusal
B) Lingual
C) Buccal
D) Distal - ANSWER: Distal
What isolation method is appropriate for one or several teeth?
A) Cotton rolls
B) Dry angles
C) Dental dam
D) High volume evacuator - ANSWER: C) Dental Dam
,When setting up for a RCT appointment, what size hole punch is needed for premolar and canines on
a dental dam? - ANSWER: No. 3
When removing a dry cotton roll from the mouth:
A) Moisten w/ water before removal
B) Grip firmly w/ cotton pliers
C) Retract lip
D) Use suction to assist - ANSWER: A) Moisten with water before removal
Which is NOT a contraindication for the use of N2O2?
A) Anemia
B) Pregnancy
C) Common Cold
D) Emphysema - ANSWER: A) Anemia
What part of the gas machine houses the nitrous oxide and oxygen to combine them together for the
patient to breathe? - ANSWER: Reservoir Bag
Nitrous oxide has been used on a patient. How many minutes after should the patient remain on
100% oxygen? - ANSWER: 5 minutes
Which of the following is an approved method by the CDC for re-capping a used needle?
A) Using a recapping device
B) Single-handed swoop
C) Both A and B
D) None of the above - ANSWER: C) Both A and B
A long needle, 1 5/8 inch length is used for what type of injections?
A) Infiltration
B) Periodontal Ligament
C) Palatal Block
D) Mandibular Block - ANSWER: D) Mandibular Block
What type of injection involves the tissues near the apex of a tooth?
A) Block
B) Nerve block
C) Periodontal ligament injection
D) Infiltration - ANSWER: D) Infiltration
Which of the following is NOT a health concern when it comes to selecting the appropriate term of
local anesthetic?
A) Pregnancy
B) Joint Replacement
C) Elevated Blood Pressure
D) Cardiovascular Disease - ANSWER: B) Joint Replacement
What is added to an anesthetic agent to lengthen the effect by decreasing blood flow? - ANSWER:
Vasoconstrictors
How long should topical anesthetic be applied to the mucosa prior to an injection? - ANSWER: 2-5
minutes
What may be added to burs in order to shorten preparation time by improving cutting ability? -
ANSWER: Diamond stones
Which of the following burs would be appropriate for a crown-prep setup tray?
, A) Round bur
B) Flame-shaped bur
C) Round end taper bur
D) Pear bur - ANSWER: B) Flame shaped bur
Used to make adjustments in crown preps
Low speed handpieces are used for - ANSWER: Prophy angles
What type of handpiece operates at speeds of up to 450,000 rpm? - ANSWER: High Speed
A 16 y/o female has an appt for a MOD amalgam on #14. What instrument is used to carve amalgam
on the occlusal surface of the tooth? - ANSWER: Diskoid/Cleoid
Which of the following is NOT a step in sealant placement?
A) Isolation
B) Preparation
C) Fluoridation
D) Curing - ANSWER: C) Fluoridation
Which of the following would a bristled brush style prophy angle NOT be appropriate to use on?
A) Pits
B) Fissures
C) Dentin
D) Enamel - ANSWER: C) Dentin
What type of stain is on the surface of enamel and may be removed through hand scaling or rubber
cup polishing? - ANSWER: Extrinsic
What is done to ensure the prevention of removing small amounts of enamel during coronal
polishing? - ANSWER: Selective Polishing
A gingival retraction cord:
A) Extends impression area slightly below finished prep
B) Extends impression 2mm below gingival margin
C) Assures no gingival overgrowth in areas of crown prep
D) Prevents impression material from entering into the sulcus - ANSWER: A) Extends impression area
slightly below finished prep
Which of the follow can prevent a hemorrhage during a crown prep?
A) Using a wider retraction cord
B) Using a poly-cotton blend retraction cord
C) Using 100% cotton retraction cord
D) Saturating the retraction cord in astringent and vasoconstrictor - ANSWER: D) Saturating the
retraction cord in astringent and vasocontrictor
Which of the follow would contraindicate a partial denture?
A) The need to replace several teeth in one quadrant
B) Periodontal disease which may threaten teeth
C) A patient that cannot tolerate the treatment procedures of a fixed bridge
D) Good oral hygiene - ANSWER: B) Periodontal Disease
Which of the following is a metal extension on a partial denture, which rests on the alveolar ridge and
holds the artificial teeth?
A) Retainer
B) Framework
C) Saddle
D) Rests - ANSWER: C) Saddle
Bird; Debbie S. Robinson 9780323624855 Chapter 1-64
Complete Guide .
Permanent Dentition is made up of how many teeth? - ANSWER: 32
Which teeth are sometimes called "eye teeth"? - ANSWER: Canines
Which proximal surface of a tooth is closest to the midline of the body? - ANSWER: Mesial
Permanent dentition is composed of how many premolars? - ANSWER: 8
When a mouth is divided into fourths, what are the parts referred to as? - ANSWER: Quadrants
Using the universal system of tooth designation, what tooth is #12? - ANSWER: Maxillary left first
premolar
Using the international standards organization system of tooth recording, which tooth is #25? -
ANSWER: Maxillary left second premolar
What is the structure that connects cementum to the alveolar bone? - ANSWER: PDL: Periodontal
Ligament
On a chart a gold crown is marked by: - ANSWER: Diagonal lines through the crown
A dental assistant is preparing to chart a new patient's treatment plan for the doctor. Tx provided in a
previous dental office should be charted in color? - ANSWER: Black
Two red vertical lines drawn between the upper central incisors on a patient chart would indicate:
a) extraction of mesiodens
b) diastema
c) drifting
d) fixed bridge - ANSWER: B) Diastema
Recommended technique for determining a patient's pulse or respiration rate is to: - ANSWER:
Measure by 30 seconds and multiply by 2
To determine how much to inflate a BP cuff for an accurate reading, you must measure BPM and add
___ to determine inflation level - ANSWER: 40 mmHg
Average adult respiration rate is: - ANSWER: 10-20
What is the normal pulse rate in a resting adult? - ANSWER: 60-100 bpm
Standard practice provides, and some state laws require, that a signed privacy policy be kept in a
patient's file for a minimum of __ year(s).
A) 1
B) 2
C) 3
D) None of the above - ANSWER: D) None of the above
Some practices keep them for 6 years, some states require 5 years minimum
What is not part of a dental exam?
A) Radiographs
,B) Soft Tissue Inspection
C) Impressions
D) Health History Review - ANSWER: D) Health History Review
Not part of the dental exam but should be considered when assessing the patient's needs
What classification of decay is located on the gingival third on the facial or lingual surfaces of teeth? -
ANSWER: Class V (5)
Which teeth are Class IV (4) decay located on? - ANSWER: Incisors
What is another name for the neck of the tooth? - ANSWER: CEJ
Cementoenamel Junction
What type of tissue covers alveolar bone attaching to the teeth at the margin of the gumlines? -
ANSWER: Epithelial Attachment
What is the tissue that divides the nasal cavity into 2 parts? - ANSWER: Septum
Which nerve is the primary nerve for the mouth? - ANSWER: Trigeminal
The pituitary gland is part of what body system? - ANSWER: Endocrine
What position places the chair back until the patient is almost lying down? - ANSWER: Supine
What is the best method of identifying working positions by a dental auxiliary?
A) Ergonomics
B) Clock Conception
C) Patient Cooperation
D) Range of Motion - ANSWER: B) Clock conception
Dividing the tx area into zones helps to identify the appropriate working positions
When transferring an instrument from a right-handed operator, the assistant uses the ___ finger(s) on
their left hand. - ANSWER: last two
When transferring an instrument to the dentist, the dental assistant should:
A) transfer w/ sharp edge pointing toward them
B) transfer w/ working end facing the dentist
C) transfer w/ working end facing themselves
D) transfer w/ working end facing down - ANSWER: C) Transfer w/ working end facing themselves
Allows the dentist to receive the instrument in a way that allows immediate use w/o adjustment
Most of the time a dental assistant will be working in what "time zone" during a procedure? -
ANSWER: 2-4
Which chair has a foot bar for support? - ANSWER: Assistant's chair
High volume evacuator tips should be placed slightly __ to the tooth being prepared
A) Occlusal
B) Lingual
C) Buccal
D) Distal - ANSWER: Distal
What isolation method is appropriate for one or several teeth?
A) Cotton rolls
B) Dry angles
C) Dental dam
D) High volume evacuator - ANSWER: C) Dental Dam
,When setting up for a RCT appointment, what size hole punch is needed for premolar and canines on
a dental dam? - ANSWER: No. 3
When removing a dry cotton roll from the mouth:
A) Moisten w/ water before removal
B) Grip firmly w/ cotton pliers
C) Retract lip
D) Use suction to assist - ANSWER: A) Moisten with water before removal
Which is NOT a contraindication for the use of N2O2?
A) Anemia
B) Pregnancy
C) Common Cold
D) Emphysema - ANSWER: A) Anemia
What part of the gas machine houses the nitrous oxide and oxygen to combine them together for the
patient to breathe? - ANSWER: Reservoir Bag
Nitrous oxide has been used on a patient. How many minutes after should the patient remain on
100% oxygen? - ANSWER: 5 minutes
Which of the following is an approved method by the CDC for re-capping a used needle?
A) Using a recapping device
B) Single-handed swoop
C) Both A and B
D) None of the above - ANSWER: C) Both A and B
A long needle, 1 5/8 inch length is used for what type of injections?
A) Infiltration
B) Periodontal Ligament
C) Palatal Block
D) Mandibular Block - ANSWER: D) Mandibular Block
What type of injection involves the tissues near the apex of a tooth?
A) Block
B) Nerve block
C) Periodontal ligament injection
D) Infiltration - ANSWER: D) Infiltration
Which of the following is NOT a health concern when it comes to selecting the appropriate term of
local anesthetic?
A) Pregnancy
B) Joint Replacement
C) Elevated Blood Pressure
D) Cardiovascular Disease - ANSWER: B) Joint Replacement
What is added to an anesthetic agent to lengthen the effect by decreasing blood flow? - ANSWER:
Vasoconstrictors
How long should topical anesthetic be applied to the mucosa prior to an injection? - ANSWER: 2-5
minutes
What may be added to burs in order to shorten preparation time by improving cutting ability? -
ANSWER: Diamond stones
Which of the following burs would be appropriate for a crown-prep setup tray?
, A) Round bur
B) Flame-shaped bur
C) Round end taper bur
D) Pear bur - ANSWER: B) Flame shaped bur
Used to make adjustments in crown preps
Low speed handpieces are used for - ANSWER: Prophy angles
What type of handpiece operates at speeds of up to 450,000 rpm? - ANSWER: High Speed
A 16 y/o female has an appt for a MOD amalgam on #14. What instrument is used to carve amalgam
on the occlusal surface of the tooth? - ANSWER: Diskoid/Cleoid
Which of the following is NOT a step in sealant placement?
A) Isolation
B) Preparation
C) Fluoridation
D) Curing - ANSWER: C) Fluoridation
Which of the following would a bristled brush style prophy angle NOT be appropriate to use on?
A) Pits
B) Fissures
C) Dentin
D) Enamel - ANSWER: C) Dentin
What type of stain is on the surface of enamel and may be removed through hand scaling or rubber
cup polishing? - ANSWER: Extrinsic
What is done to ensure the prevention of removing small amounts of enamel during coronal
polishing? - ANSWER: Selective Polishing
A gingival retraction cord:
A) Extends impression area slightly below finished prep
B) Extends impression 2mm below gingival margin
C) Assures no gingival overgrowth in areas of crown prep
D) Prevents impression material from entering into the sulcus - ANSWER: A) Extends impression area
slightly below finished prep
Which of the follow can prevent a hemorrhage during a crown prep?
A) Using a wider retraction cord
B) Using a poly-cotton blend retraction cord
C) Using 100% cotton retraction cord
D) Saturating the retraction cord in astringent and vasoconstrictor - ANSWER: D) Saturating the
retraction cord in astringent and vasocontrictor
Which of the follow would contraindicate a partial denture?
A) The need to replace several teeth in one quadrant
B) Periodontal disease which may threaten teeth
C) A patient that cannot tolerate the treatment procedures of a fixed bridge
D) Good oral hygiene - ANSWER: B) Periodontal Disease
Which of the following is a metal extension on a partial denture, which rests on the alveolar ridge and
holds the artificial teeth?
A) Retainer
B) Framework
C) Saddle
D) Rests - ANSWER: C) Saddle
