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DENTAL ASSISTANT PRACTICE EXAM
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DENTAL ASSISTANT PRACTICE EXAM
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DENTAL ASSISTANT PRACTICE EXAMA permanent Dentition consists of how many teeth - Answers -32
Which teeth are sometimes called the "eye" teeth - Answers -Canines
Which proximal surface of a tooth is closest toward the midline of the body` - Answers -
Mesial
A permanent dentition consists of how many premolars - Answers -8
When a mouth is divided into fourths, the parts are referred to as - Answers -Quadrant
Using the Universal System of tooth designation, what tooth is # 12 - Answers -Maxillary
left first premolar
Using the International standards Organization system of tooth recording, which tooth is
# 25 - Answers -Maxillary left second premolar
What is the structure that connects cementum to the alveolar bone - Answers -
Periodontal ligament
A gold crown is marked by: - Answers -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 -
Answers -Black
Two red vertical lines drawn between the upper central incisors on a patient chart would
indicate: - Answers -Diastema
The recommended technique for determining a patient's pulse or respiration rate is to : -
Answers -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. - Answers -40
An average adult respiration rate is Breaths per minute - Answers -10-20
What is the normal pulse rate in a resting adult - Answers -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 - Answers -some state law set the minimum at 5
years
,Which of the following is not a parts of a dental examination - Answers -Health history
review
What classification of decay is located on the gingival third on the facial or lingual
surfaces of teeth - Answers -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 - Answers -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 : -
Answers -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 - Answers -Epithelial attachment
What is The tissue that divides the nasal cavity into 2 Part - Answers -Septum
Which nerve is the primary nerve for the mouth - Answers -Trigeminal - It has both
maxillary and mandibular innervation
The pituitary gland is part of what body system - Answers -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 - Answers -
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 - Answers
-Clock concept dividing the treatment area into zones
When transferrings an instrument to the dentist, the dental assistant should: - Answers -
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 - Answers -Last 2
Most of the time, a dental assistant will be working in what " time zone" during a
treatment procedure - Answers -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 - Answers -Assistant's stool
The High Volume Evacuator tips should be placed to the tooth being prepared -
Answers -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 - Answers -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 - Answers -NO. 3 Punches are
appropriate for premolars when preparing a dental Dam
When removing a dry cotton roll from the mouth - Answers -Moisten with water before
removal
Which of the following is not a contraindication for the use of N2O2 - Answers -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 - Answers -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 - Answers -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 - Answers -Using a recapping device, Single- handed swoop
A long needle, 1 1/8" in length, is used for what type of injections - Answers -Block
Typically, 1 5/8" long needle is used for block anesthesia
What type of injection involves the tissues near the apex of a tooth - Answers -
Infiltration is the technique that is used when in ecting anesthetic around a tooth to
affect the tissues around and near the apex of the tooth
Which of the following is NOT a health concern when it comes to selecting the
appropriate form of local anestheric - Answers -Joint replacement
What is added to an anesthetic agent to lengthen the effect by decreasing blood flow -
Answers -Vasoconstrictors act by constricting the blood vessels thereby decreasing
blood flow in the are and lengthening the amount of time that local anesthetic is active in
that location
How long should topical anesthetic be applied to the mucos prior to an injection -
Answers -Topical anesthetic should be 15-30 seconds and for 1-2 minutes for optimal
effectiveness before injection
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