Registered Dental Assistant - RDA Exam Questions
with COMPLETE SOLUTION (301 Questions)
How many teeth are in the primary dentition Correct Answer: 20
True or False? During the mixed dentition period, children have both primary and
permanent teeth? Correct Answer: True
How many succedaneous teeth are there? Correct Answer: 20
The permanent dentition period begins at about 12 years of age when..? Correct
Answer: The last primary tooth is lost
The human mouth is divided into two sections or arches called the? Correct
Answer: Maxillary Mandibular
The mouth can be divided into four sections called: Correct Answer: Quadrants
The anterior teeth include: Correct Answer: Incisors Canines
The four types of teeth are: Correct Answer: Incisors canines premolars molars
what teeth are the longest teeth in the human dentition and are used for cutting and
tearing? Correct Answer: canines
what teeth are used for chewing and grinding food? Correct Answer: molars
premolars
every tooth in the mouth has five surfaces, which are called the: Correct Answer:
mesial distal facial lingual masticatory (occlusal or incisal)
the general principle concerning the countours of the teeth is true for all teeth: The
crown of the tooth _________ toward the cervical line. Correct Answer: Narrows
the area where the mesial or distal surfaces of the tooth touch the adjacent tooth in
the arch is the: Correct Answer: Contact area
the relationship between the maxillary and mandibular teeth when the jaws are in a
fully closed position is: Correct Answer: occlusion
,The jaw position that produces maximal stable contact between the occluding
surfaces of the maxillary and mandibular teeth is: Correct Answer: centric
occlusion
The key to angle's classification system for occlusion and maloclussion is: Correct
Answer: The permanent maxillary first molars
which tooth-numbering system is used most often in the US? Correct Answer:
Universal numbering system
The permanent teeth are ____________ in the Universal numbering system?
Correct Answer: numbered 1 to 32
True or False? The ISO/FDI numbering system uses at two-digit numbering system
based on quadrants. Correct Answer: True
True or False? The Palmer notation system (PNS) is based on quadrants using
tooth brackets and letters for the permanent dentition. Correct Answer: False
The general categories of communication are: Correct Answer: Verbal and
nonverbal
Why is voice quality important for a dental assistant?
A. It makes up more than one-third of the impact of the total message.
B. It is important to cultivate a pleasant voice tone.
C. It is important to keep your voice calm so that you do not scare patients.
D. All of the above is true. Correct Answer: D
Factors that influence the patient's reactions in the dental office can include:
A. Previous dental experiences.
B. Anxiety and fear of pain.
C. Attitudes and beliefs
D. All of the above. Correct Answer: D
True or False? Having a Dental Hygienist is necessary to ensure that the dental
team meets the patient's restorative needs. Correct Answer: False
, Participating in health fairs, and making presentations to school children, and
working with senior citizens on dental care are examples of what kind of
marketing? Correct Answer: External marketing
True or false? Taking patients out to eat is an example of internal marketing?
Correct Answer: False
The central key to a successful work environment in the dental office is: Correct
Answer: teamwork
Causes of stress in the dental office include:
A. Appointment overbooking
B. Lack of good communication
C. Multiple tasks that need to be done simultaneously.
D. All of the above. Correct Answer: D
place the following in the correct order of the five steps of dealing with problems
in the office:
2 - Select a solution to try
1 - Evaluate
4 - Voice the problem
5 - Eliminate the solutions you know won't work
3 - List possible solutions Correct Answer: 4
3
2
5
1
The classifications of patient care items include what? Correct Answer: Critical
semicritical
noncritical
What is the process that kills microorganisms, including bacterial spores? Correct
Answer: Sterilization
When performing instrument processing, the dental assistant must wear what?
Correct Answer: PPE
with COMPLETE SOLUTION (301 Questions)
How many teeth are in the primary dentition Correct Answer: 20
True or False? During the mixed dentition period, children have both primary and
permanent teeth? Correct Answer: True
How many succedaneous teeth are there? Correct Answer: 20
The permanent dentition period begins at about 12 years of age when..? Correct
Answer: The last primary tooth is lost
The human mouth is divided into two sections or arches called the? Correct
Answer: Maxillary Mandibular
The mouth can be divided into four sections called: Correct Answer: Quadrants
The anterior teeth include: Correct Answer: Incisors Canines
The four types of teeth are: Correct Answer: Incisors canines premolars molars
what teeth are the longest teeth in the human dentition and are used for cutting and
tearing? Correct Answer: canines
what teeth are used for chewing and grinding food? Correct Answer: molars
premolars
every tooth in the mouth has five surfaces, which are called the: Correct Answer:
mesial distal facial lingual masticatory (occlusal or incisal)
the general principle concerning the countours of the teeth is true for all teeth: The
crown of the tooth _________ toward the cervical line. Correct Answer: Narrows
the area where the mesial or distal surfaces of the tooth touch the adjacent tooth in
the arch is the: Correct Answer: Contact area
the relationship between the maxillary and mandibular teeth when the jaws are in a
fully closed position is: Correct Answer: occlusion
,The jaw position that produces maximal stable contact between the occluding
surfaces of the maxillary and mandibular teeth is: Correct Answer: centric
occlusion
The key to angle's classification system for occlusion and maloclussion is: Correct
Answer: The permanent maxillary first molars
which tooth-numbering system is used most often in the US? Correct Answer:
Universal numbering system
The permanent teeth are ____________ in the Universal numbering system?
Correct Answer: numbered 1 to 32
True or False? The ISO/FDI numbering system uses at two-digit numbering system
based on quadrants. Correct Answer: True
True or False? The Palmer notation system (PNS) is based on quadrants using
tooth brackets and letters for the permanent dentition. Correct Answer: False
The general categories of communication are: Correct Answer: Verbal and
nonverbal
Why is voice quality important for a dental assistant?
A. It makes up more than one-third of the impact of the total message.
B. It is important to cultivate a pleasant voice tone.
C. It is important to keep your voice calm so that you do not scare patients.
D. All of the above is true. Correct Answer: D
Factors that influence the patient's reactions in the dental office can include:
A. Previous dental experiences.
B. Anxiety and fear of pain.
C. Attitudes and beliefs
D. All of the above. Correct Answer: D
True or False? Having a Dental Hygienist is necessary to ensure that the dental
team meets the patient's restorative needs. Correct Answer: False
, Participating in health fairs, and making presentations to school children, and
working with senior citizens on dental care are examples of what kind of
marketing? Correct Answer: External marketing
True or false? Taking patients out to eat is an example of internal marketing?
Correct Answer: False
The central key to a successful work environment in the dental office is: Correct
Answer: teamwork
Causes of stress in the dental office include:
A. Appointment overbooking
B. Lack of good communication
C. Multiple tasks that need to be done simultaneously.
D. All of the above. Correct Answer: D
place the following in the correct order of the five steps of dealing with problems
in the office:
2 - Select a solution to try
1 - Evaluate
4 - Voice the problem
5 - Eliminate the solutions you know won't work
3 - List possible solutions Correct Answer: 4
3
2
5
1
The classifications of patient care items include what? Correct Answer: Critical
semicritical
noncritical
What is the process that kills microorganisms, including bacterial spores? Correct
Answer: Sterilization
When performing instrument processing, the dental assistant must wear what?
Correct Answer: PPE
