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Home Q & A Board Biology-Related Homework Help Medicine Dentistry
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Blizzen Blizzen
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6 years ago
The purpose of aluminum filtration is to
 
  A) absorb the penetrating short wavelengths that fog films.
  B) reduce the radiation to the patient by reducing the volume of tissue exposed.
  C) eliminate the sources of scatter or secondary radiation to the patient.
  D) absorb the less penetrating long wavelengths to reduce radiation exposure.
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#1
6 years ago
D
Explanation: A) A filter is an absorbing material (usually aluminum) placed in the path of the x-ray beam to remove a high percentage of the soft x-rays (the longer wavelengths) and reduce patient radiation dose.
B) A filter is an absorbing material (usually aluminum) placed in the path of the x-ray beam to remove a high percentage of the soft x-rays (the longer wavelengths) and reduce patient radiation dose.
C) A filter is an absorbing material (usually aluminum) placed in the path of the x-ray beam to remove a high percentage of the soft x-rays (the longer wavelengths) and reduce patient radiation dose.
D) A filter is an absorbing material (usually aluminum) placed in the path of the x-ray beam to remove a high percentage of the soft x-rays (the longer wavelengths) and reduce patient radiation dose.
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