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ARRT TEST EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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ARRT TEST EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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ARRT TEST EXAM 2024/2025 WITH100% ACCURATE SOLUTIONS
Main property of x-radiation that makes it potentially hazardous is its
ability to?-Answer ✔✔Ionize
Describe the damage potential of ionization?-Answer ✔✔Chain reaction
in the human body that may eventually cause biologic damage. X-rays
are from the Electric Magnetic Spectrum or radiation energy and is
considered harmful in high energy ranges.
What is the most likely potential hazard working with diagnostic
radiology?-Answer ✔✔Carcinogenesis - Stochastic/Non-Threshold
Effect
.1 Rem = ? Seivert-Answer ✔✔1 Sievert
0.1 Gray = ? Rad-Answer ✔✔10 Rad
1 Gray = ? Rad-Answer ✔✔100 Rad
What is Aplastic Anemia? When dose it occur?-Answer ✔✔All types of
blood cells: Red & White 25 Rads
,A decrease in blood count is the earliest response seen to dose radiation.
It can occur at dosease as low as?-Answer ✔✔25 Rads or .25 Gray
What is Cataractogenesis?-Answer ✔✔Process of Cataract Formation
Cataractogenesis occurs after acute or chronic exposures of how many
Rads?-Answer ✔✔200 Rads, 2 Gray
Skin Eyrythemia (Skin Redning) occurs above?-Answer ✔✔Above 200
Rad, 2 Gray
Temporary Sterility occurs in the adult male at acute doses of how many
Rads?-Answer ✔✔250 Rads, 2.5 Gray
Pregnant radiographer should? (3)-Answer ✔✔Always practice TDS
Has legal right for re-assignment of duty Never confuse collar badge
with waist badge
Monthly dosimetry reports is based on what?-Answer
✔✔OCCUPATIONAL exposures only.
Monthly Dosimeter reports does NOT include?-Answer ✔✔Natural or
Background Radiation
What is the recommended monthly dose-equivalent limit for the fetus in
the third trimester?-Answer ✔✔0.5 mSv .05 Rem NRCP 116
, Radiation workers cumulative dose-equivalent limit is determined by?-
Answer ✔✔Age x 10 mSv Age x 1 Rem NCRP 110
What is the Occupational radiation dose equivalent limit for stochastic
effects to the whole body?-Answer ✔✔50 mSv (5 Rem)
When using a C-Arm mobile unit, the intensification tower should be?-
Answer ✔✔As close as possible to the patient to reduce patient dose and
unnecessary magnification.
Radiation exposure in air = ?-Answer ✔✔Roentgens - Ionization in air
dose measurement.
Electrical current being generated by a charge created in air thru
ionization by x/gamma radiation is called a?-Answer ✔✔Ion Chamber
The quantity of radiation exposure measured by an ionization chamber
would be?-Answer ✔✔Coulomb/Kilogram
The C/Kg or R is usually the unit measured in?-Answer ✔✔Air dose
List the 3 measurements that are more appropriate for measuring
absorbed doses for radiation or occupational dose?-Answer ✔✔Gray (1)
- Rad (100) Seivert (1) - Rem (100) Curie - Bacquerel
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