1|Page
DENTAL ASSISTANT EXAM RDA 2025| BRAND NEW
ACTUAL EXAM WITH 100% VERIFIED QUESTIONS
AND CORRECT SOLUTIONS| GUARANTEED VALUE
PACK| ACE YOUR GRADES.
What is an anatomical landmark found on the maxillary arch? -
(answers)Mylohyoid ridge
Which tooth is found only in the permanent dentition? - (answers)premolars
Which tooth should the image receptor be centered over for a molar bitewing
image? - (answers)second molars
Important personal qualities of the dental assistant include __________. -
(answers)demonstrating sensitivity to the patients needs.
The essential aspects of professional appearance include? - (answers)good health,
good grooming, and appropriate dress
All of these cells have high radiation sensitivity except - (answers)nerve tissue
which classification of occlusion often gives an appearance of a protruded
mandible? - (answers)class lll mesioclussion
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The concept of duty of care, or standard care - (answers)legal concept that
provides general boundaries
A wide, shallow depression on the lingual surface of anterior teeth is the -
(answers)fossa
damaged caused by ionizing x-radiation to somatic cells - (answers)affects only
the person being exposed
What term describes placing the thumb of one hand inside the mouth and the
index and third finger of the other hand outside the mouth and gently feeling the
tissues for any lumps or abnormalities? - (answers)palpation
Which nerve innervates the maxillary posterior palate? - (answers)greater
palatine
what is the most common medical emergency in the office? - (answers)syncope
All of the following are true of electromagnetic radiation, except they
__________. - (answers)cotain radioactive substances such as uranium
all of the following are examples of quality assurance except - (answers)clean the
bathrooms
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which statement best desribes good phone skills? - (answers)use the callers name
in the conversation, and give him or her complete attention.
What is the name of the condition that restricts mandibular movement and is the
result of spasm of the muscles of mastication? - (answers)Trismus
The Blood-borne Pathogens Standard states that contaminated protective
clothing. - (answers)can be picked up by a laundry service
one reason for a lighter than normal radiograph is that the - (answers)developer
solution is too weak
what portion of the x-ray machine supplies the electrons that produce x-rays? -
(answers)cathode
which of the following anatomic features of the teeth help maintain their position
in the dental arch and protect the tissues during chewing? - (answers)contours,
contacts and embrasures
what is the name for excessive protrusion, or jutting out, of the maxillary incisors?
- (answers)overjet
What is the purpose of the insulating oil that fills the x-ray machine housing and
surrounds the x-ray tube? - (answers)absorbs heat created by the production of x-
rays
DENTAL ASSISTANT EXAM RDA 2025| BRAND NEW
ACTUAL EXAM WITH 100% VERIFIED QUESTIONS
AND CORRECT SOLUTIONS| GUARANTEED VALUE
PACK| ACE YOUR GRADES.
What is an anatomical landmark found on the maxillary arch? -
(answers)Mylohyoid ridge
Which tooth is found only in the permanent dentition? - (answers)premolars
Which tooth should the image receptor be centered over for a molar bitewing
image? - (answers)second molars
Important personal qualities of the dental assistant include __________. -
(answers)demonstrating sensitivity to the patients needs.
The essential aspects of professional appearance include? - (answers)good health,
good grooming, and appropriate dress
All of these cells have high radiation sensitivity except - (answers)nerve tissue
which classification of occlusion often gives an appearance of a protruded
mandible? - (answers)class lll mesioclussion
,2|Page
The concept of duty of care, or standard care - (answers)legal concept that
provides general boundaries
A wide, shallow depression on the lingual surface of anterior teeth is the -
(answers)fossa
damaged caused by ionizing x-radiation to somatic cells - (answers)affects only
the person being exposed
What term describes placing the thumb of one hand inside the mouth and the
index and third finger of the other hand outside the mouth and gently feeling the
tissues for any lumps or abnormalities? - (answers)palpation
Which nerve innervates the maxillary posterior palate? - (answers)greater
palatine
what is the most common medical emergency in the office? - (answers)syncope
All of the following are true of electromagnetic radiation, except they
__________. - (answers)cotain radioactive substances such as uranium
all of the following are examples of quality assurance except - (answers)clean the
bathrooms
, 3|Page
which statement best desribes good phone skills? - (answers)use the callers name
in the conversation, and give him or her complete attention.
What is the name of the condition that restricts mandibular movement and is the
result of spasm of the muscles of mastication? - (answers)Trismus
The Blood-borne Pathogens Standard states that contaminated protective
clothing. - (answers)can be picked up by a laundry service
one reason for a lighter than normal radiograph is that the - (answers)developer
solution is too weak
what portion of the x-ray machine supplies the electrons that produce x-rays? -
(answers)cathode
which of the following anatomic features of the teeth help maintain their position
in the dental arch and protect the tissues during chewing? - (answers)contours,
contacts and embrasures
what is the name for excessive protrusion, or jutting out, of the maxillary incisors?
- (answers)overjet
What is the purpose of the insulating oil that fills the x-ray machine housing and
surrounds the x-ray tube? - (answers)absorbs heat created by the production of x-
rays
