Page 1 of 11
RADIOLOGY AND RADIOGRAPHY 2025/2026 EXAM
CURRENTLY TESTING QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED) /GUARANTEED
PASS/ TOP-RATED A+.
RADIOLOGY
Ace your BDA Radiography and Radiology exam with this
definitive guide, designed to master imaging techniques,
radiation safety, and diagnostic interpretation. This resource
delivers scenario-based practice questions aligned with clinical
standards and regulatory protocols.
What's direct action film? ...... ANSWER ....... Intra oral
film. Only sensitive to xray photons
What's indirect action film ...... ANSWER ....... Extra oral
with intensifying screen & cassette . sensitive to light
photons
Why is direct action film used for intra oral ...... ANSWER
....... For excellent image quality
black paper is used on either side of the film to protect the
film from...? ...... ANSWER ....... Light
, Page 2 of 11
damage by fingers
saliva that may leak into film packet
Why is a thin sheet of lead foil placed behind the film? ......
ANSWER ....... To stop residual radiation going further
into pt tissues
To stop secondary radiation from scattering back onto
film and degrading the image
If film was placed wrong way in pts mouth the lead foil
would show on radiograph making the fault easily
identified
Increasing the Ma will make the image ...... ANSWER .......
too dark/blacken
Decreasing the mA will make the image ...... ANSWER .......
Too white / light
What % of energy is conducted as heat and X-rays ? ......
ANSWER ....... Heat -99%
Xrays - 1%
RADIOLOGY AND RADIOGRAPHY 2025/2026 EXAM
CURRENTLY TESTING QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED) /GUARANTEED
PASS/ TOP-RATED A+.
RADIOLOGY
Ace your BDA Radiography and Radiology exam with this
definitive guide, designed to master imaging techniques,
radiation safety, and diagnostic interpretation. This resource
delivers scenario-based practice questions aligned with clinical
standards and regulatory protocols.
What's direct action film? ...... ANSWER ....... Intra oral
film. Only sensitive to xray photons
What's indirect action film ...... ANSWER ....... Extra oral
with intensifying screen & cassette . sensitive to light
photons
Why is direct action film used for intra oral ...... ANSWER
....... For excellent image quality
black paper is used on either side of the film to protect the
film from...? ...... ANSWER ....... Light
, Page 2 of 11
damage by fingers
saliva that may leak into film packet
Why is a thin sheet of lead foil placed behind the film? ......
ANSWER ....... To stop residual radiation going further
into pt tissues
To stop secondary radiation from scattering back onto
film and degrading the image
If film was placed wrong way in pts mouth the lead foil
would show on radiograph making the fault easily
identified
Increasing the Ma will make the image ...... ANSWER .......
too dark/blacken
Decreasing the mA will make the image ...... ANSWER .......
Too white / light
What % of energy is conducted as heat and X-rays ? ......
ANSWER ....... Heat -99%
Xrays - 1%
