Radiology Practice Test Questions and Answers

Radiology Practice Test Questions and Answers
How do you correct a foreshortened image? - -interproximal
-decrease the vertical angulation

True or false, can metal be penetrated by x-rays?
What type of radiation is most dangerous? - - -true
-all is equally dangerous

How do you protect the reproductive organs? -
What is an impregnated sheet? - -lead -by using a lead apron
apron

How many x-rays may be taken on a pregnant
When is it acceptable for the operator to hold an woman? - -as few as possible
x-ray in the patient's mouth? - -never

What does an occlusal film effectively view? -
What is the Gonadal region? - -male -the dental arch
reproductive organs

What might an occlusal film find? - -
What is the purpose of an aluminum filter? - abnormalities in the dental arch
-to filter out the low and long energy rays

Foreshortening is the result of what? - -too
What material is a collimator made of? - - much vertical angulation
lead

What causes an overlapped image? - -
What size periapical film is most likely to be used improper horizontal angulation
on a small child? - -0

Radiolucent or Radiopaque
How do you correct an elongated image? - mental foramen - -radiolucent
-increase the vertical angulation

Radiolucent or Radiopaque
How will a film appear if it is accidentally struck caries - -radiolucent
by light? - -black

Radiolucent or Radiopaque
How will a film appear if it was unexposed? - dentin - -radiopaque
-clear

Elongation is the result of what? - -not
What is another term for bite-wing x-rays? - enough vertical angulation
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