Radiology Practice Test Exam Questions
Correct Solutions Current Update
How do you correct a foreshortened image? - Answer - decrease the vertical angulation
What type of radiation is most dangerous? - Answer - all is equally dangerous
What is an impregnated sheet? - Answer - lead apron
When is it acceptable for the operator to hold an x-ray in the patient's mouth? - Answer -
never
What is the Gonadal region? - Answer - male reproductive organs
What is the purpose of an aluminum filter? - Answer - to filter out the low and long
energy rays
What material is a collimator made of? - Answer - lead
What size periapical film is most likely to be used on a small child? - Answer - 0
How do you correct an elongated image? - Answer - increase the vertical angulation
How will a film appear if it is accidentally struck by light? - Answer - black
How will a film appear if it was unexposed? - Answer - clear
What is another term for bite-wing x-rays? - Answer - interproximal
True or false, can metal be penetrated by x-rays? - Answer - true
How do you protect the reproductive organs? - Answer - by using a lead apron
How many x-rays may be taken on a pregnant woman? - Answer - as few as possible
What does an occlusal film effectively view? - Answer - the dental arch
What might an occlusal film find? - Answer - abnormalities in the dental arch
Foreshortening is the result of what? - Answer - too much vertical angulation
What causes an overlapped image? - Answer - improper horizontal angulation
Radiolucent or Radiopaque
, mental foramen - Answer - radiolucent
Radiolucent or Radiopaque
caries - Answer - radiolucent
Radiolucent or Radiopaque
dentin - Answer - radiopaque
Elongation is the result of what? - Answer - not enough vertical angulation
What type of film is used to show the apices? - Answer - periapicals
True or false before fabricating a denture, should you take x-ray on an edentulous
patient? - Answer - true
If a film is drastically elongated, how do you correct it? - Answer - increase the vertical
angulation
What may the result be, if an x-ray operator is holding the film the patient? - Answer -
amputation
When an intra-oral film is in the mouth, what is the lead foil between? - Answer - film
and the tongue
What material is most radiopaque? - Answer - amalgam
Name 3 things a bwx is used for? - Answer - to check to interproximal caries, bone
height, open margins
True or false, periapical films come in various sizes? - Answer - true
What happens if you do not direct the central ray to cover the film? - Answer - cone cut
X-rays that are exposed in the mouth are high or low energy? - Answer - high energy
(short wavelengths)
A panoramic film is not acceptable in detecting what? - Answer - decay
How far should you stand away from the source? - Answer - 6 feet
Using fast film does what? - Answer - reduces exposure to the patient
What is the purpose of the aluminum filter? - Answer - to filter out low and long energy
rays which are useless
The diameter of the x-ray beam, may not exceed? - Answer - 2 3/4
Correct Solutions Current Update
How do you correct a foreshortened image? - Answer - decrease the vertical angulation
What type of radiation is most dangerous? - Answer - all is equally dangerous
What is an impregnated sheet? - Answer - lead apron
When is it acceptable for the operator to hold an x-ray in the patient's mouth? - Answer -
never
What is the Gonadal region? - Answer - male reproductive organs
What is the purpose of an aluminum filter? - Answer - to filter out the low and long
energy rays
What material is a collimator made of? - Answer - lead
What size periapical film is most likely to be used on a small child? - Answer - 0
How do you correct an elongated image? - Answer - increase the vertical angulation
How will a film appear if it is accidentally struck by light? - Answer - black
How will a film appear if it was unexposed? - Answer - clear
What is another term for bite-wing x-rays? - Answer - interproximal
True or false, can metal be penetrated by x-rays? - Answer - true
How do you protect the reproductive organs? - Answer - by using a lead apron
How many x-rays may be taken on a pregnant woman? - Answer - as few as possible
What does an occlusal film effectively view? - Answer - the dental arch
What might an occlusal film find? - Answer - abnormalities in the dental arch
Foreshortening is the result of what? - Answer - too much vertical angulation
What causes an overlapped image? - Answer - improper horizontal angulation
Radiolucent or Radiopaque
, mental foramen - Answer - radiolucent
Radiolucent or Radiopaque
caries - Answer - radiolucent
Radiolucent or Radiopaque
dentin - Answer - radiopaque
Elongation is the result of what? - Answer - not enough vertical angulation
What type of film is used to show the apices? - Answer - periapicals
True or false before fabricating a denture, should you take x-ray on an edentulous
patient? - Answer - true
If a film is drastically elongated, how do you correct it? - Answer - increase the vertical
angulation
What may the result be, if an x-ray operator is holding the film the patient? - Answer -
amputation
When an intra-oral film is in the mouth, what is the lead foil between? - Answer - film
and the tongue
What material is most radiopaque? - Answer - amalgam
Name 3 things a bwx is used for? - Answer - to check to interproximal caries, bone
height, open margins
True or false, periapical films come in various sizes? - Answer - true
What happens if you do not direct the central ray to cover the film? - Answer - cone cut
X-rays that are exposed in the mouth are high or low energy? - Answer - high energy
(short wavelengths)
A panoramic film is not acceptable in detecting what? - Answer - decay
How far should you stand away from the source? - Answer - 6 feet
Using fast film does what? - Answer - reduces exposure to the patient
What is the purpose of the aluminum filter? - Answer - to filter out low and long energy
rays which are useless
The diameter of the x-ray beam, may not exceed? - Answer - 2 3/4
