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BDA RADIOGRAPHY AND RADIOLOGY EXAM LATEST 2026-2027
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
What is an advantage of using the paralleling technique for
periapical radiographs? - ANSWER-Images are geometrically
accurate with minimal magnification
What is the recommended focus-to-skin distance when taking
paralleling technique radiographs? - ANSWER-200mm
What is the correct vertical angulation for a standard upper
occlusal radiograph in adults? - ANSWER-Downwards at between
65o-70o
Which radiographic technique makes use of the "radiographic
keyhole"? - ANSWER-Oblique lateral radiographs
How should a patient be placed within a cephalostat for a lateral
cephalometric skull radiograph? - ANSWER-So the X-ray beam is
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perpendicular with both the midline sagittal plane and image
receptor
How many hours of CPD should IRMER Operators complete
within each five year CPD cycle? - ANSWER-5 hours of verifiable
CPD
What type of dose accounts for both the type of radiation used
and the sensitivity of body tissues to radiation damage? -
ANSWER-The answer is Effective Dose, which is most useful to
us when talking about the biological effects and risks of radiation.
What IRMER 'named person' is responsible for justifying each
radiographic exposure? - ANSWER-The Practitioner, most often a
dentist, must justify each and every exposure.
What is not a duty of employees when it comes to radiation
safety? - ANSWER-You must carry out a prior radiation risk
assessment
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When an incoming electron passes close to the nucleus of a
tungsten atom it is slowed down dramatically and deflected, losing
lots of energy in the process. What is this energy converted to? -
ANSWER-The energy lost by the slowing down of the incoming
electron is converted into x-rays.
Which of the following is an advantage of dental panoramic
radiographs? - ANSWER-They can be used even if the patient
cannot open their mouth, e.g. following trauma
Which of the following is one of the Golden Rules of patient
positioning for a dental panoramic radiograph? - ANSWER-
Ensure the patient is positioned so that their spine is straight
What is an advantage of using the paralleling technique for
periapical radiographs? - ANSWER-Images are geometrically
accurate with minimal magnification
What type of occlusal radiograph requires the patient to wear a
thyroid collar? - ANSWER-Upper standard occlusal. You must use
a thyroid collar when the thyroid gland is in the path of the primary
BDA RADIOGRAPHY AND RADIOLOGY EXAM LATEST 2026-2027
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
What is an advantage of using the paralleling technique for
periapical radiographs? - ANSWER-Images are geometrically
accurate with minimal magnification
What is the recommended focus-to-skin distance when taking
paralleling technique radiographs? - ANSWER-200mm
What is the correct vertical angulation for a standard upper
occlusal radiograph in adults? - ANSWER-Downwards at between
65o-70o
Which radiographic technique makes use of the "radiographic
keyhole"? - ANSWER-Oblique lateral radiographs
How should a patient be placed within a cephalostat for a lateral
cephalometric skull radiograph? - ANSWER-So the X-ray beam is
,2|Page
perpendicular with both the midline sagittal plane and image
receptor
How many hours of CPD should IRMER Operators complete
within each five year CPD cycle? - ANSWER-5 hours of verifiable
CPD
What type of dose accounts for both the type of radiation used
and the sensitivity of body tissues to radiation damage? -
ANSWER-The answer is Effective Dose, which is most useful to
us when talking about the biological effects and risks of radiation.
What IRMER 'named person' is responsible for justifying each
radiographic exposure? - ANSWER-The Practitioner, most often a
dentist, must justify each and every exposure.
What is not a duty of employees when it comes to radiation
safety? - ANSWER-You must carry out a prior radiation risk
assessment
, 3|Page
When an incoming electron passes close to the nucleus of a
tungsten atom it is slowed down dramatically and deflected, losing
lots of energy in the process. What is this energy converted to? -
ANSWER-The energy lost by the slowing down of the incoming
electron is converted into x-rays.
Which of the following is an advantage of dental panoramic
radiographs? - ANSWER-They can be used even if the patient
cannot open their mouth, e.g. following trauma
Which of the following is one of the Golden Rules of patient
positioning for a dental panoramic radiograph? - ANSWER-
Ensure the patient is positioned so that their spine is straight
What is an advantage of using the paralleling technique for
periapical radiographs? - ANSWER-Images are geometrically
accurate with minimal magnification
What type of occlusal radiograph requires the patient to wear a
thyroid collar? - ANSWER-Upper standard occlusal. You must use
a thyroid collar when the thyroid gland is in the path of the primary
