Dental Assisting Iowa RDA Radiology Test || Most
Recent Exam 2026-2027 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers)
Already Graded A+ | Guaranteed Success!! |Just
Released | Newest Exam!!
what is considered when determining the size and number of
films needed? - ANSWER -size and age of the patient, anatomic
limitations, patient's ability to cooperate- operator's ability to
gain patient's cooperation
what is shown on periapical films? - ANSWER -The entire tooth
and surrounding structures
what film size and numbers are typically used for a full mouth
survey? - ANSWER -14 PAs- 4 molar and 4 premolar with a size
2; 4 cuspid and 2 midline with a size 1 or 2
2-4 Bws- 2 molar and 2 premolar with size 2 or 2 molar/premolar
with size 2
How is the premolar film positioned? - ANSWER -Premolar can
be positioned horizontal or vertical
,When placing films, what is included in the view? - ANSWER -
The distal of the tooth in front of area of interest
what is the relationship of the film and tooth in the paralleling
technique? - ANSWER -the film and the tooth are parallel
film is away from the tooth
Where is the PID placed in the paralleling technique? -
ANSWER -parallel to the aiming ring
before placing films in the patient's mouth, what should you
do? - ANSWER -set exposure variables
explain purpose of films and technique
explain where patient should bite on holder
when positioning film in the patient's mouth, where is the bite
block located? - ANSWER -against the occlusal or incisal of the
teeth being exposed
what two agencies oversee dental radiography? what is the
function of each with respect to dental radiography? - ANSWER
-Iowa Department of Public Health: state radiation control
agency, inspects facilities
Iowa Dental Board: ensures that dental assistants meet meet
minimum training standards, issues qualification in dental
radiology
, under what conditions can a dental assistant take radiographs?
- ANSWER -1- assistant must have added qualified in dental
radiography or be on trainee status
2- dentist must order the films
3- dentist must provide supervision
under what conditions can a dental assistant trainee take
radiographs? - ANSWER -1- dentist must order films
2- dentist must provide personal supervision of trainee
what three things are required to obtain radiography
qualification from the Board? - ANSWER -course of study that
includes clinical training, examination, and an application with
fee
When is the radiography qualification renewed? What are the
renewal requirements? - ANSWER -renewed when registration
is renewed- by August 31 of odd years
What makes x-radiation dangerous? - ANSWER -Its ability to
cause ionization, resulting in possible acute and chronic
effects
What are ions and what is their relationship to dental
radiography? - ANSWER -ions are charged particles; x-rays can
break apart atomic structures and create ions.
ions can recombine in combinations that are harmful to the
body
Recent Exam 2026-2027 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers)
Already Graded A+ | Guaranteed Success!! |Just
Released | Newest Exam!!
what is considered when determining the size and number of
films needed? - ANSWER -size and age of the patient, anatomic
limitations, patient's ability to cooperate- operator's ability to
gain patient's cooperation
what is shown on periapical films? - ANSWER -The entire tooth
and surrounding structures
what film size and numbers are typically used for a full mouth
survey? - ANSWER -14 PAs- 4 molar and 4 premolar with a size
2; 4 cuspid and 2 midline with a size 1 or 2
2-4 Bws- 2 molar and 2 premolar with size 2 or 2 molar/premolar
with size 2
How is the premolar film positioned? - ANSWER -Premolar can
be positioned horizontal or vertical
,When placing films, what is included in the view? - ANSWER -
The distal of the tooth in front of area of interest
what is the relationship of the film and tooth in the paralleling
technique? - ANSWER -the film and the tooth are parallel
film is away from the tooth
Where is the PID placed in the paralleling technique? -
ANSWER -parallel to the aiming ring
before placing films in the patient's mouth, what should you
do? - ANSWER -set exposure variables
explain purpose of films and technique
explain where patient should bite on holder
when positioning film in the patient's mouth, where is the bite
block located? - ANSWER -against the occlusal or incisal of the
teeth being exposed
what two agencies oversee dental radiography? what is the
function of each with respect to dental radiography? - ANSWER
-Iowa Department of Public Health: state radiation control
agency, inspects facilities
Iowa Dental Board: ensures that dental assistants meet meet
minimum training standards, issues qualification in dental
radiology
, under what conditions can a dental assistant take radiographs?
- ANSWER -1- assistant must have added qualified in dental
radiography or be on trainee status
2- dentist must order the films
3- dentist must provide supervision
under what conditions can a dental assistant trainee take
radiographs? - ANSWER -1- dentist must order films
2- dentist must provide personal supervision of trainee
what three things are required to obtain radiography
qualification from the Board? - ANSWER -course of study that
includes clinical training, examination, and an application with
fee
When is the radiography qualification renewed? What are the
renewal requirements? - ANSWER -renewed when registration
is renewed- by August 31 of odd years
What makes x-radiation dangerous? - ANSWER -Its ability to
cause ionization, resulting in possible acute and chronic
effects
What are ions and what is their relationship to dental
radiography? - ANSWER -ions are charged particles; x-rays can
break apart atomic structures and create ions.
ions can recombine in combinations that are harmful to the
body
