Why is it necessary for the nuclear medicine technologists to wear the ring TLD
dosimeter?
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Monitor the exposure to their hands when handling radioactive isotopes
Where is the dosimeter worn during fluoroscopic procedures?
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At the collar outside of the lead apron
In addition, the ____________ from which the radiation reached the film can be evaluated
and whether the exposure was a result of ___________ or a __________ exposure from the
primary beam can be evaluated
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Direction; Scatter or Single
The ________ _________ is the percentage of time which the x-ray beam is energized and
directed toward a particular wall
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Use factor
2 metals used in a film badge filter:
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1. Aluminum
2. Copper
,The inverse square law application is particularly important when performing:
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1. Mobile radiography
2. Fluoroscopy
3. C-Arm procedures in the OR
What occurs when these two chips are exposed to radiation?
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Stores radiant energy and when heated, releases energy as light
Where should the x-ray tube be placed when performing a C-Arm examination to
reduce radiation exposure?
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X-ray tube of the C-Arm under the table and image intensifier above the
patient
How much proection is provided from a 100-kV x-ray beam when using a 0.50 mm
lead-equivalent apron?
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, 75%
The film used in the film badge is similar to ________ film
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Dental
__________ radiation emerges directly from the x-ray tube collimator, follows a straight
line path and moves without deflection
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Primary
There is a __________ relationship between the intensity of _______ emitted and ___________
_________ received by the crystals in a TLD
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Direct; light and radiation dose
How tall must primary protective barriers be?
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