Added filtration in the dental x-ray tubehead
A) refers to the placement of tungsten discs in the path of the x-ray beam between the collimator and the tubehead seal.
B) filters out shorter-wavelength x-rays from the x-ray beam.
C) results in a lower-energy beam.
D) results in a more penetrating useful beam.
Correct Answer:
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Q15: The thyroid collar
A)is recommended for all intraoral
Q16: The collimator _
A)is always round.
B)restricts the size
Q17: A rectangular collimator
A)restricts the beam 3 times
Q18: The lead apron
A)is recommended for intraoral exposures.
B)is
Q19: A circular collimator produces a cone-shaped beam
Q21: The acronym for the maximum dose permitted
Q22: You are 36 years old.What is your
Q23: According to the current recommendations (2003)of the
Q24: The ALARA concept states that all radiation
Q25: Your next patient is a 35-year-old man
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