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rad protection final

Terms in this set (295)

What radiation quantities accounts for some biologic tissues being more sensitive to radiation than other tissues?
Effective dose
in which of the following x-ray interactions with matter is the energy of the incident photon completely absorbed?
Photoelectric absorption
Which of the following is the radiation unit used for diagnostic x-ray equipment calibration performed with an ionization chamber?
Coulomb per kilogram/air Kerma
Which of the following is the SI unit of radiation for absorbed dose?
gray
Which of the following is the SI unit for measuring equivalent dose?
sievert
Photoelectric absorption ___________ as the atomic number of the irradiated atom decreases.
Decreases
Photoelectric absorption _________ as the energy of the incident photon decreases.
Increases
Which of the following interactions with matter is responsible for the greatest amount of radiation absorbed by the patient?
Photoelectric effect
The atomic number of bone is
13.8
The atomic number of soft tissue is
7.4
Which organic compounds comprise about 1% of the cell and are very large and complex?
Nucleic Acids
true/ false. As x-ray photon wavelengths get shorter their frequency increases.
true
Diagnostic and medical x-ray and nuclear medicine procedures account for _____% of the total average of dose equivalent for the US population.
48%
true/ false. As x-ray photon wavelengths get shorter their energy decreases.
false
Which of the following defines attenuation?
absorption and scatter
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