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Dental Assistant Practice Exam|244 Questions with Answers
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Dental Assistant Practice Exam|244 Questions with Answers
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Dental Assistant Practice Exam|244Questions with Answers
A permanent Dentition consists of how many teeth - -32
- Which teeth are sometimes called the "eye" teeth - -Canines
- Which proximal surface of a tooth is closest toward the midline of the
body` - -Mesial
- A permanent dentition consists of how many premolars - -8
- When a mouth is divided into fourths, the parts are referred to as - -
Quadrant
- Using the Universal System of tooth designation, what tooth is # 12 - -
Maxillary left first premolar
- Using the International standards Organization system of tooth recording,
which tooth is # 25 - -Maxillary left second premolar
- 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
- A long needle, 1 1/8" in length, is used for what type of injections - -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 - -
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 - -Joint replacement
- What is added to an anesthetic agent to lengthen the effect by decreasing
blood flow - -Vasoconstrictors act by constricting the blood vessels thereby
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