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ARRT Test Prep Exam 2024 Questions and Correct Answers Rated A+
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ARRT Test Prep Exam 2024 Questions and Correct Answers Rated A+
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ARRT Test Prep Exam 2024 Questionsand Correct Answers Rated A+
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
What type of changes are used to measure occupational dose? (3) -
ANSWER-Scintillation
Biological
Chemical
Example of personnel monitor that measures radiation thru chemical
change reaction? -ANSWER-Film Badge - Operate off Gurney-Mott
theory.
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