Iowa Dental Board Radiography EXAM Questions &
Answers, Well Elaborated | Already Verified Test||
GRADED A+|| LATEST UPDATE 2025/26
What two agencies oversee dental radiography? What is the function of each with
respect to dental radiography? -CORRECT ANSWER Iowa Department of Public Health:
state radiation control agency, inspects facilities;
Iowa Dental Board: ensures that dental assistants meet minimum training standards;
issues qualification in dental radiography
Under what conditions can a dental assistant take radiographs? -CORRECT ANSWER
Assistant must have added qualified in dental radiography or be on trainee status
Dentist must order the films
Dentist must provide supervision
Under what conditions can a dental assistant trainee take radiographs? -CORRECT
ANSWER Dentist must order films
Dentist must provide personal supervision of trainee
What three things are required to obtain radiography qualification from the Board? -
CORRECT 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? -
CORRECT ANSWER Renewed with registration is renewed - by August 31 of odd-
numbered years
What are the renewal requirements for dental radiography? -CORRECT ANSWER
Renewal requires proof of 2 hours of continuing education in dental radiography and
renewal fee
Name two possible penalties for violating dental radiography requirements. -CORRECT
ANSWER Disciplinary action by the dental board
Criminal charges or civil action
A dentist should always prescribe radiographs every six months to review a patient's
dental condition. -CORRECT ANSWER False
A certified dental assistant does not need to obtain a separate radiography qualification
from the Board to take x-rays. -CORRECT ANSWER False
Dental assistant trainees can train in dental radiography during the trainee period. -
CORRECT ANSWER True
, The Iowa Dental Board inspects dental radiography machines. -CORRECT ANSWER
False
What are the parts of the control panel? What is the function of each part? -CORRECT
ANSWER Timer: controls how long electrons move-length of exposure
mA setting: determines the number of electrons available
kVp setting: determines the force of electron movement
A source of electrons is needed to create x-rays. What else is needed to create x-rays?
-CORRECT ANSWER Motion to the electrons
Something to stop the electrons
What determines the number of electrons that will be used? -CORRECT ANSWER mA
and time
What role does kinetic energy play in the creation of x-rays? -CORRECT ANSWER
Electrons in motion possess kinetic energy; Kinetic energy from electrons in motion is
converted into heat and x-rays when the electrons are stopped
What does the force of electron movement have to do with the x-rays that are created? -
CORRECT ANSWER Force of movement determines force of x-ray
The greater the movement force, the more powerful the x-rays
Answers, Well Elaborated | Already Verified Test||
GRADED A+|| LATEST UPDATE 2025/26
What two agencies oversee dental radiography? What is the function of each with
respect to dental radiography? -CORRECT ANSWER Iowa Department of Public Health:
state radiation control agency, inspects facilities;
Iowa Dental Board: ensures that dental assistants meet minimum training standards;
issues qualification in dental radiography
Under what conditions can a dental assistant take radiographs? -CORRECT ANSWER
Assistant must have added qualified in dental radiography or be on trainee status
Dentist must order the films
Dentist must provide supervision
Under what conditions can a dental assistant trainee take radiographs? -CORRECT
ANSWER Dentist must order films
Dentist must provide personal supervision of trainee
What three things are required to obtain radiography qualification from the Board? -
CORRECT 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? -
CORRECT ANSWER Renewed with registration is renewed - by August 31 of odd-
numbered years
What are the renewal requirements for dental radiography? -CORRECT ANSWER
Renewal requires proof of 2 hours of continuing education in dental radiography and
renewal fee
Name two possible penalties for violating dental radiography requirements. -CORRECT
ANSWER Disciplinary action by the dental board
Criminal charges or civil action
A dentist should always prescribe radiographs every six months to review a patient's
dental condition. -CORRECT ANSWER False
A certified dental assistant does not need to obtain a separate radiography qualification
from the Board to take x-rays. -CORRECT ANSWER False
Dental assistant trainees can train in dental radiography during the trainee period. -
CORRECT ANSWER True
, The Iowa Dental Board inspects dental radiography machines. -CORRECT ANSWER
False
What are the parts of the control panel? What is the function of each part? -CORRECT
ANSWER Timer: controls how long electrons move-length of exposure
mA setting: determines the number of electrons available
kVp setting: determines the force of electron movement
A source of electrons is needed to create x-rays. What else is needed to create x-rays?
-CORRECT ANSWER Motion to the electrons
Something to stop the electrons
What determines the number of electrons that will be used? -CORRECT ANSWER mA
and time
What role does kinetic energy play in the creation of x-rays? -CORRECT ANSWER
Electrons in motion possess kinetic energy; Kinetic energy from electrons in motion is
converted into heat and x-rays when the electrons are stopped
What does the force of electron movement have to do with the x-rays that are created? -
CORRECT ANSWER Force of movement determines force of x-ray
The greater the movement force, the more powerful the x-rays
