Dental Assistant Practice Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
A permanent Dentition consists of how many teeth - CORRECT ANSWER 32
Which teeth are sometimes called the "eye" teeth - CORRECT ANSWER Canines
Which proximal surface of a tooth is closest toward the midline of the body` - CORRECT ANSWER
Mesial
A permanent dentition consists of how many premolars - CORRECT ANSWER 8
When a mouth is divided into fourths, the parts are referred to as - CORRECT ANSWER
Quadrant
Using the Universal System of tooth designation, what tooth is # 12 - CORRECT ANSWER
Maxillary left first premolar
Using the International standards Organization system of tooth recording, which tooth is # 25 -
CORRECT ANSWER Maxillary left second premolar
What is the structure that connects cementum to the alveolar bone - CORRECT ANSWER
Periodontal ligament
A gold crown is marked by: - CORRECT ANSWER 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 - CORRECT ANSWER
Black
Two red vertical lines drawn between the upper central incisors on a patient chart would indicate: -
CORRECT ANSWER Diastema
,The recommended technique for determining a patient's pulse or respiration rate is to : - CORRECT
ANSWER 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. - CORRECT ANSWER 40
An average adult respiration rate is Breaths per minute - CORRECT ANSWER 10-20
What is the normal pulse rate in a resting adult - CORRECT 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 - CORRECT ANSWER some state law set the minimum at 5
years
Which of the following is not a parts of a dental examination - CORRECT ANSWER Health
history review
What classification of decay is located on the gingival third on the facial or lingual surfaces of teeth -
CORRECT ANSWER 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 - CORRECT ANSWER 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 : - CORRECT
ANSWER 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 -
CORRECT ANSWER Epithelial attachment
What is The tissue that divides the nasal cavity into 2 Part - CORRECT ANSWER Septum
, Which nerve is the primary nerve for the mouth - CORRECT ANSWER Trigeminal - It has
both maxillary and mandibular innervation
The pituitary gland is part of what body system - CORRECT ANSWER 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 - CORRECT ANSWER
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 - CORRECT
ANSWER Clock concept dividing the treatment area into zones
When transferrings an instrument to the dentist, the dental assistant should: - CORRECT ANSWER
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 - CORRECT ANSWER Last 2
Most of the time, a dental assistant will be working in what " time zone" during a treatment procedure
- CORRECT ANSWER 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 - CORRECT ANSWER Assistant's stool
The High Volume Evacuator tips should be placed to the tooth being prepared - CORRECT ANSWER
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 - CORRECT ANSWER Dental
dam
QUESTIONS AND CORRECT ANSWERS
A permanent Dentition consists of how many teeth - CORRECT ANSWER 32
Which teeth are sometimes called the "eye" teeth - CORRECT ANSWER Canines
Which proximal surface of a tooth is closest toward the midline of the body` - CORRECT ANSWER
Mesial
A permanent dentition consists of how many premolars - CORRECT ANSWER 8
When a mouth is divided into fourths, the parts are referred to as - CORRECT ANSWER
Quadrant
Using the Universal System of tooth designation, what tooth is # 12 - CORRECT ANSWER
Maxillary left first premolar
Using the International standards Organization system of tooth recording, which tooth is # 25 -
CORRECT ANSWER Maxillary left second premolar
What is the structure that connects cementum to the alveolar bone - CORRECT ANSWER
Periodontal ligament
A gold crown is marked by: - CORRECT ANSWER 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 - CORRECT ANSWER
Black
Two red vertical lines drawn between the upper central incisors on a patient chart would indicate: -
CORRECT ANSWER Diastema
,The recommended technique for determining a patient's pulse or respiration rate is to : - CORRECT
ANSWER 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. - CORRECT ANSWER 40
An average adult respiration rate is Breaths per minute - CORRECT ANSWER 10-20
What is the normal pulse rate in a resting adult - CORRECT 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 - CORRECT ANSWER some state law set the minimum at 5
years
Which of the following is not a parts of a dental examination - CORRECT ANSWER Health
history review
What classification of decay is located on the gingival third on the facial or lingual surfaces of teeth -
CORRECT ANSWER 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 - CORRECT ANSWER 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 : - CORRECT
ANSWER 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 -
CORRECT ANSWER Epithelial attachment
What is The tissue that divides the nasal cavity into 2 Part - CORRECT ANSWER Septum
, Which nerve is the primary nerve for the mouth - CORRECT ANSWER Trigeminal - It has
both maxillary and mandibular innervation
The pituitary gland is part of what body system - CORRECT ANSWER 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 - CORRECT ANSWER
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 - CORRECT
ANSWER Clock concept dividing the treatment area into zones
When transferrings an instrument to the dentist, the dental assistant should: - CORRECT ANSWER
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 - CORRECT ANSWER Last 2
Most of the time, a dental assistant will be working in what " time zone" during a treatment procedure
- CORRECT ANSWER 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 - CORRECT ANSWER Assistant's stool
The High Volume Evacuator tips should be placed to the tooth being prepared - CORRECT ANSWER
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 - CORRECT ANSWER Dental
dam
