IOWA DENTAL BOARD RADIOGRAPHY EXAM PREP
2026 FULLY SOLVED EDITION WITH CORRECT
ANSWERS
Question 1
Under what conditions can a dental assistant take radiographs?
A. Assistant must have added qualification in dental radiography or be on trainee status;
dentist must order the films and provide supervision
B. Assistant may take radiographs without any supervision
C. Assistant must have a dental hygiene license
D. Assistant must have completed a 4-year dental program
ANSWER: A. Assistant must have added qualification in dental radiography or be on
trainee status; dentist must order the films and provide supervision.
RATIONALE: According to Iowa Dental Board regulations, a dental assistant may take
radiographs only if they have added qualification in dental radiography or are on trainee
status. Additionally, the dentist must order the films and provide appropriate supervision.
Question 2
Under what conditions can a dental assistant trainee take radiographs?
A. Trainee may take radiographs without supervision
B. Dentist must order films and provide personal supervision of the trainee
C. Trainee must have completed dental school
D. Trainee must have 5 years of experience
ANSWER: B. Dentist must order films and provide personal supervision of the trainee.
RATIONALE: A dental assistant trainee may take radiographs only when the dentist orders
the films and provides personal supervision of the trainee during the procedure.
,Question 3
What three things are required to obtain radiography qualification from the Board?
A. Course of study, examination, and application with fee
B. High school diploma, work experience, and recommendation letter
C. Dental hygiene license, CPR certification, and background check
D. 5 years of experience, board examination, and interview
ANSWER: A. Course of study that includes clinical training, examination, and an
application with fee.
RATIONALE: To obtain radiography qualification from the Iowa Dental Board, an individual
must complete a course of study that includes clinical training, pass an examination, and
submit an application with the required fee.
Question 4
When is the radiography qualification renewed? What are the renewal requirements?
A. Renewed annually with registration; no continuing education required
B. Renewed with registration is renewed - by August 31 of odd-numbered years
C. Renewed every 5 years with proof of 100 hours of continuing education
D. Renewed every 2 years with a new examination
ANSWER: B. Renewed with registration is renewed - by August 31 of odd-numbered years.
RATIONALE: Radiography qualification in Iowa is renewed with the dental assistant's
registration, which must be renewed by August 31 of odd-numbered years.
Question 5
Who is responsible for ordering dental radiographs?
A. The dental assistant
B. The dental hygienist
,C. The dentist
D. The patient
ANSWER: C. The dentist.
RATIONALE: The dentist is legally responsible for ordering all dental radiographs. The
dentist must prescribe the appropriate films based on the patient's clinical needs.
Question 6
What level of supervision is required for a qualified dental assistant taking radiographs?
A. Personal supervision
B. Direct supervision
C. General supervision
D. Indirect supervision
ANSWER: B. Direct supervision.
RATIONALE: A qualified dental assistant taking radiographs must work under direct
supervision of the dentist, meaning the dentist is present in the office and available to
provide guidance.
Question 7
What level of supervision is required for a dental assistant trainee taking radiographs?
A. General supervision
B. Direct supervision
C. Personal supervision
D. Indirect supervision
ANSWER: C. Personal supervision.
RATIONALE: A dental assistant trainee must have personal supervision, meaning the dentist
must be present and personally supervising the trainee during the radiographic procedure.
, Question 8
Who can apply for radiography qualification from the Iowa Dental Board?
A. Only licensed dentists
B. Only dental hygienists
C. Dental assistants who have completed the required training
D. Anyone with a high school diploma
ANSWER: C. Dental assistants who have completed the required training.
RATIONALE: Dental assistants who have completed the required course of study including
clinical training, passed the examination, and submitted the application with fee can apply
for radiography qualification.
Question 9
What is the deadline for renewal of radiography qualification in Iowa?
A. December 31 of each year
B. August 31 of odd-numbered years
C. June 30 of even-numbered years
D. January 1 of each year
ANSWER: B. August 31 of odd-numbered years.
RATIONALE: Radiography qualification is renewed with the dental assistant's registration,
and the renewal deadline is August 31 of odd-numbered years.
Question 10
What does "added qualification in dental radiography" mean?
A. The assistant has completed a course of study and passed an examination
B. The assistant has worked for 5 years in a dental office
C. The assistant has a dental hygiene degree
D. The assistant has completed CPR training
2026 FULLY SOLVED EDITION WITH CORRECT
ANSWERS
Question 1
Under what conditions can a dental assistant take radiographs?
A. Assistant must have added qualification in dental radiography or be on trainee status;
dentist must order the films and provide supervision
B. Assistant may take radiographs without any supervision
C. Assistant must have a dental hygiene license
D. Assistant must have completed a 4-year dental program
ANSWER: A. Assistant must have added qualification in dental radiography or be on
trainee status; dentist must order the films and provide supervision.
RATIONALE: According to Iowa Dental Board regulations, a dental assistant may take
radiographs only if they have added qualification in dental radiography or are on trainee
status. Additionally, the dentist must order the films and provide appropriate supervision.
Question 2
Under what conditions can a dental assistant trainee take radiographs?
A. Trainee may take radiographs without supervision
B. Dentist must order films and provide personal supervision of the trainee
C. Trainee must have completed dental school
D. Trainee must have 5 years of experience
ANSWER: B. Dentist must order films and provide personal supervision of the trainee.
RATIONALE: A dental assistant trainee may take radiographs only when the dentist orders
the films and provides personal supervision of the trainee during the procedure.
,Question 3
What three things are required to obtain radiography qualification from the Board?
A. Course of study, examination, and application with fee
B. High school diploma, work experience, and recommendation letter
C. Dental hygiene license, CPR certification, and background check
D. 5 years of experience, board examination, and interview
ANSWER: A. Course of study that includes clinical training, examination, and an
application with fee.
RATIONALE: To obtain radiography qualification from the Iowa Dental Board, an individual
must complete a course of study that includes clinical training, pass an examination, and
submit an application with the required fee.
Question 4
When is the radiography qualification renewed? What are the renewal requirements?
A. Renewed annually with registration; no continuing education required
B. Renewed with registration is renewed - by August 31 of odd-numbered years
C. Renewed every 5 years with proof of 100 hours of continuing education
D. Renewed every 2 years with a new examination
ANSWER: B. Renewed with registration is renewed - by August 31 of odd-numbered years.
RATIONALE: Radiography qualification in Iowa is renewed with the dental assistant's
registration, which must be renewed by August 31 of odd-numbered years.
Question 5
Who is responsible for ordering dental radiographs?
A. The dental assistant
B. The dental hygienist
,C. The dentist
D. The patient
ANSWER: C. The dentist.
RATIONALE: The dentist is legally responsible for ordering all dental radiographs. The
dentist must prescribe the appropriate films based on the patient's clinical needs.
Question 6
What level of supervision is required for a qualified dental assistant taking radiographs?
A. Personal supervision
B. Direct supervision
C. General supervision
D. Indirect supervision
ANSWER: B. Direct supervision.
RATIONALE: A qualified dental assistant taking radiographs must work under direct
supervision of the dentist, meaning the dentist is present in the office and available to
provide guidance.
Question 7
What level of supervision is required for a dental assistant trainee taking radiographs?
A. General supervision
B. Direct supervision
C. Personal supervision
D. Indirect supervision
ANSWER: C. Personal supervision.
RATIONALE: A dental assistant trainee must have personal supervision, meaning the dentist
must be present and personally supervising the trainee during the radiographic procedure.
, Question 8
Who can apply for radiography qualification from the Iowa Dental Board?
A. Only licensed dentists
B. Only dental hygienists
C. Dental assistants who have completed the required training
D. Anyone with a high school diploma
ANSWER: C. Dental assistants who have completed the required training.
RATIONALE: Dental assistants who have completed the required course of study including
clinical training, passed the examination, and submitted the application with fee can apply
for radiography qualification.
Question 9
What is the deadline for renewal of radiography qualification in Iowa?
A. December 31 of each year
B. August 31 of odd-numbered years
C. June 30 of even-numbered years
D. January 1 of each year
ANSWER: B. August 31 of odd-numbered years.
RATIONALE: Radiography qualification is renewed with the dental assistant's registration,
and the renewal deadline is August 31 of odd-numbered years.
Question 10
What does "added qualification in dental radiography" mean?
A. The assistant has completed a course of study and passed an examination
B. The assistant has worked for 5 years in a dental office
C. The assistant has a dental hygiene degree
D. The assistant has completed CPR training
