equipment only emits radiation during actual exposure
The room should be designed so that the technologists can not stand where?
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cannot stand outside of primary barrier and make an exposure
To use all barriers?
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mobile barriers
____________ diaphragms are a flat piece of lead with a circle or square opening in the
middle
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Aperture diaphragms
Dose limits are specified for _______ body and ________ tissues and organs.
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whole ; certain
ALARA was accepted by ______ and ______ ________ that requires technologists to take
responsibility for radiation protection.
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advisory and regulatory agencies
Who are the 4 advisory groups to establish radiation protection standards?
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-International Commission of Radiological Protection
-National Council on Radiation Protection and Measurements
-National Academy of Sciences Advisory Committee on the Biological
Effects of Ionizing Radiation
-United Nations Scientific Committee on the Effects of Atomic Radiation
Primary purpose for establishing dose limits?
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limits risks of stochastic effects and prevents deterministic effects (non
stochastic effects)
Inherent filtration?
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