Dental Assistant Practice Exam Questions
With Correct Answers
What is the structure that connects cementum to the alveolar bone Periodontal ligament
A gold crown is marked by: Diagonal lines through the crown
A dental assistant is preparing to chart a new patient's treatment plan for the doctor. Treatment
provided in a previous dental office should be charted in what color Black
Two red vertical lines drawn between the upper central incisors on a patient chart would indicate:
Diastema
The recommended technique for determining a patient's pulse or respiration rate is to :
Measure for 30 seconds, then multiply by 2
In Order to determine how much to inflate a blood pressure cuff for an accurate reading, a dental
assistant measures the patient's BPM Brachial rate and adds to determine the inflation level in
mm Hg. 40
An average adult respiration rate is Breaths per minute 10-20
What is the normal pulse rate in a resting adult 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 some state law set the minimum at 5 years
Which of the following is not a parts of a dental examination Health history review
What classification of decay is located on the gingival third on the facial or lingual surfaces of
teeth Class V- smooth surface decay
While examining a patient, a dentist says he sees Class IV decay. Which of the following teeth
would he be looking at Incisors and canines are the only teeth to be diagnosed with class
IV Decay
The area also known as the neck of the tooth is more appropriately called the : CEJ
Cementoenamel junction is the junction of tooth enamel with cementumat the neck or cervix of
the tooth
What type of tissue covers alveolar bone, attaching to the teeth at the margin of the gumlines
Epithelial attachment
What is The tissue that divides the nasal cavity into 2 Part Septum
Which nerve is the primary nerve for the mouth Trigeminal - It has both maxillary and
mandibular innervation
,The pituitary gland is part of what body system Endocrine is the system which regulates
gland that produce hormones, including the pituitary
What position places the chair back until the patient is almost lying down Supine where
the head ,chest and knees are approximately on the same level
What is the best method of identifying working positions by a dental auxiliary Clock
concept dividing the treatment area into zones
When transferrings an instrument to the dentist, the dental assistant should: Transfer the
instrument with the working end in the position of use
When retrieving an instrument from a right-handed operator, the assistant uses the fingers of
their left hand Last 2
Most of the time, a dental assistant will be working in what " time zone" during a treatment
procedure 2-4 "time zone" during procedures for left handed operators the dental assistant
would work in the 8-10 "time zone"
Which chair has a foot bar for support Assistant's stool
, The High Volume Evacuator tips should be placed to the tooth being prepared Parallel to
properly place and operate. the HVE , the bevel of the suction tip should be positioned so that it
parallel to the tooth surface prepared. ( slightly beyond the occlusal surface or incisal edge
What isolation method is appropriate for one or several teeth Dental dam
An adult male arrives for a scheduled root canal and crown appointment. The dental assistant
prepares the instrument fray and equipment when he is seated . What size hole punch is needed
for a premolar on a dental dam NO. 3 Punches are appropriate for premolars when
preparing a dental Dam
When removing a dry cotton roll from the mouth Moisten with water before removal
Which of the following is not a contraindication for the use of N2O2 Anemia is not a
contraindication for the use of N2O2
What part of the gas machine houses the nitrous oxide and oxygen to combine them together for
the patient to breathe Reservoir Bag Is the Chamber that houses the gases
Nitrous Oxide has been used on a patient. For how many minutes afterward should the patient
remain on 100% Oxygen 3 to 5 minutes is the appropriate length of time for patients
Which of the following is an approved method by the Center for Disease Control for re-capping
a used needle Using a recapping device, Single- handed swoop
With Correct Answers
What is the structure that connects cementum to the alveolar bone Periodontal ligament
A gold crown is marked by: Diagonal lines through the crown
A dental assistant is preparing to chart a new patient's treatment plan for the doctor. Treatment
provided in a previous dental office should be charted in what color Black
Two red vertical lines drawn between the upper central incisors on a patient chart would indicate:
Diastema
The recommended technique for determining a patient's pulse or respiration rate is to :
Measure for 30 seconds, then multiply by 2
In Order to determine how much to inflate a blood pressure cuff for an accurate reading, a dental
assistant measures the patient's BPM Brachial rate and adds to determine the inflation level in
mm Hg. 40
An average adult respiration rate is Breaths per minute 10-20
What is the normal pulse rate in a resting adult 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 some state law set the minimum at 5 years
Which of the following is not a parts of a dental examination Health history review
What classification of decay is located on the gingival third on the facial or lingual surfaces of
teeth Class V- smooth surface decay
While examining a patient, a dentist says he sees Class IV decay. Which of the following teeth
would he be looking at Incisors and canines are the only teeth to be diagnosed with class
IV Decay
The area also known as the neck of the tooth is more appropriately called the : CEJ
Cementoenamel junction is the junction of tooth enamel with cementumat the neck or cervix of
the tooth
What type of tissue covers alveolar bone, attaching to the teeth at the margin of the gumlines
Epithelial attachment
What is The tissue that divides the nasal cavity into 2 Part Septum
Which nerve is the primary nerve for the mouth Trigeminal - It has both maxillary and
mandibular innervation
,The pituitary gland is part of what body system Endocrine is the system which regulates
gland that produce hormones, including the pituitary
What position places the chair back until the patient is almost lying down Supine where
the head ,chest and knees are approximately on the same level
What is the best method of identifying working positions by a dental auxiliary Clock
concept dividing the treatment area into zones
When transferrings an instrument to the dentist, the dental assistant should: Transfer the
instrument with the working end in the position of use
When retrieving an instrument from a right-handed operator, the assistant uses the fingers of
their left hand Last 2
Most of the time, a dental assistant will be working in what " time zone" during a treatment
procedure 2-4 "time zone" during procedures for left handed operators the dental assistant
would work in the 8-10 "time zone"
Which chair has a foot bar for support Assistant's stool
, The High Volume Evacuator tips should be placed to the tooth being prepared Parallel to
properly place and operate. the HVE , the bevel of the suction tip should be positioned so that it
parallel to the tooth surface prepared. ( slightly beyond the occlusal surface or incisal edge
What isolation method is appropriate for one or several teeth Dental dam
An adult male arrives for a scheduled root canal and crown appointment. The dental assistant
prepares the instrument fray and equipment when he is seated . What size hole punch is needed
for a premolar on a dental dam NO. 3 Punches are appropriate for premolars when
preparing a dental Dam
When removing a dry cotton roll from the mouth Moisten with water before removal
Which of the following is not a contraindication for the use of N2O2 Anemia is not a
contraindication for the use of N2O2
What part of the gas machine houses the nitrous oxide and oxygen to combine them together for
the patient to breathe Reservoir Bag Is the Chamber that houses the gases
Nitrous Oxide has been used on a patient. For how many minutes afterward should the patient
remain on 100% Oxygen 3 to 5 minutes is the appropriate length of time for patients
Which of the following is an approved method by the Center for Disease Control for re-capping
a used needle Using a recapping device, Single- handed swoop
