Radiation Protection Word Scramble
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Question | Answer |
According to the National Council on Radiation Protection and Measurements (NCRP), the monthly limit for gestational dose-equivalent limit for embryo/fetus is | 5 mSv p. 135 |
For a mobile radiographic unit the exposure switch should be a two-stage type? T/F | False. has to be a dead man switch p 135 |
What is the most radio sensitive cell in the human body? | lymphocytes p 136 |
The interaction between the ionizing radiation and the target molecule that is most likely to occur is the | indirect effect p 136 |
irradiation of water molecules within the body and their resulting breakdown is termed | radiolysis p 136 |
occupational radiation monitoring is required when is is possible that the individual might receive more than what dosage? | one-tenth the annual dose limit p 126 |
What contributes most to the occupational exposure dose? | Compton Scatter p 137 |
The xray interaction with matter that is responsible for the majority of scatter radiation reaching the IR is | Compton Scatter p 137 |
a thermoluminescent dosimetry system would use which of the following crystals? | Lithium fluoride p 137 |
All of the following radiation-exposure responses exhibit a nonlinear threshold dose-response except | leukemia p 138 |
What is recommended for a pregnant radiographer in regards to dosimeters? | wear a second dosimeter under a lead apron p 138 |
Medical and dental radiation accounts for what percentage of human-made radiation? | 90% p 138 |
What is the minimum lead requirement for lead aprons according to NRCP? | .5 mm Pb or equivalent p 139 |
Primary radiation barriers must be at least how high? | 7 ft p 139 |
what is the term used to describe xray photon interaction with matter and the transference of part of the photon's energy to matter? | scattering p 139 |
the annual dose limit for occupationally exposed individuals is valid for | beta. x and gamma p 139 |
What unit of measure is used to express ionizing radiation dose to biologic material | Rem (Sv) p 140 |
The largest amount of diagnostic xray absorption is most likely to occur in what tissues? | Bone p 141 |
The reduction in the intensity of an xray beam as it passes through material is termed | attenuation p 140 |
Primary radiation barriers usually require which thickness of shielding? | 1/16" lead p 142 |
Diagnostic x-radiation may be correctly described as | low energy, low LET p 142 |
Aluminum filtration has its greatest effect on | low energy xray photons p 143 |
Which acute radiation syndrome requires the largest exposure before any effects become apparent? | Central nervous system p 143 |
An increase in the total filtration of the xray beam will increase | beam HVL p 147 |
the photoelectric effect is an interaction between an xray photon and | an inner-shell electron p 146 |
Created by:
jfwoodard
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