If the tubehead drifts, the extension arm should be held by the assistant while the dentist exposes the x-ray.
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Q20: Which statement is NOT true of electromagnetic
Q21: Radiation exposure is measured in SI units
Q22: The aluminum filter restricts the size of
Q23: Dental imaging:
A) refers only to film-based images
B)
Q24: Electrons are generated in the x-ray tubehead
Q26: The dentist is responsible for prescribing or
Q27: The maximum permissible dose (MPD) is the
Q28: The function of the focusing cup is
Q29: Any exposure to radiation, no matter how
Q30: An operator will know when the master
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