2025/2026/BDA Radiography And Radiology Practice
Exam With Complete Questions And Correct Detailed
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what sense is used to detect xrays? - ANSWER-Xrays
cannot be detected by any human sense
what type of radiation are xrays? - ANSWER-
electromagnetic
If an x-ray photon passes straight through the patient
without touching them, we say it has been? - ANSWER-
Transmitted, X-rays can interact with the patient's tissues
,in a number of ways, but it's important to remember x-rays
can just pass straight through without touching anything.
That's why it's vital you never stand in the path of the x-ray
beam
Inside a dental x-ray tube, what is the anode made of? -
ANSWER-A tungsten target set into a copper block
What setting on the control panel determines the energy
range of the x-rays produced? - ANSWER-kV, kV sets the
energy range of the x-ray beam.
What do we mean by 'indirect damage' when describing
the effects of x-rays on patient's tissue? - ANSWER-X-rays
, hitting water and creating damaging, toxic chemicals,
Indirect damage occurs when x-rays hit water molecules,
turning them into toxic chemicals like hydrogen peroxide.
These toxic molecules can go on to cause damage
throughout the cell.
Which effects of X-rays principally concern the dental
profession? - ANSWER-Somatic stochastic effects, we are
mostly concerned about the chances of causing damage
to normal body cells.
What is the highest, safe dose of radiation that's 100%
guaranteed not to cause any negative health effects? -
ANSWER-0 mSv