ARRT Test Prep with Verified Answers 100% Pass
1. Main property of x-radiation that makes
it potentially hazardous is its ability to?
2. Describe the damage potential of ion-
ization?
3. What is the most likely potential hazard
working with diagnostic radiology?
Ionize
Chain reaction in the...
ARRT Test Prep with Verified Answers 100% Pass
1. Main property of x-radiation that makes Ionize
it potentially hazardous is its ability to?
2. Describe the damage potential of ion- Chain reaction in the human body
ization? that may eventually cause biolog-
ic damage. X-rays are from the
Electric Magnetic Spectrum or ra-
diation energy and is considered
harmful in high energy ranges.
3. What is the most likely potential hazard Carcinogenesis - Stochas-
working with diagnostic radiology? tic/Non-Threshold Effect
4. .1 Rem = ? Seivert 1 Sievert
5. 0.1 Gray = ? Rad 10 Rad
6. 1 Gray = ? Rad 100 Rad
7. What is Aplastic Anemia? When dose it All types of blood cells: Red &
occur? White
25 Rads
8. A decrease in blood count is the earliest 25 Rads or .25 Gray
response seen to dose radiation. It can
occur at dosease as low as?
9. What is Cataractogenesis? Process of Cataract Formation
10. Cataractogenesis occurs after acute or 200 Rads, 2 Gray
chronic exposures of how many Rads?
12. Temporary Sterility occurs in the adult 250 Rads, 2.5 Gray
male at acute doses of how many
Rads?
13. Pregnant radiographer should? (3)
, Always practice TDS
Has legal right for re-assignment
of duty
Never confuse collar badge with
waist badge
14. Monthly dosimetry reports is based on OCCUPATIONAL exposures
what? only.
15. Monthly Dosimeter reports does NOT Natural or Background Radiation
include?
16. What is the recommended monthly 0.5 mSv
dose-equivalent limit for the fetus in the .05 Rem
third trimester? NRCP 116
17. Radiation workers cumulative Age x 10 mSv
dose-equivalent limit is determined by? Age x 1 Rem
NCRP 110
18. What is the Occupational radiation 50 mSv (5 Rem)
dose equivalent limit for stochastic ef-
fects to the whole body?
19. When using a C-Arm mobile unit, the As close as possible to the pa-
intensification tower should be? tient to reduce patient dose and
unnecessary magnification.
20. Radiation exposure in air = ? Roentgens - Ionization in air dose
measurement.
21. Electrical current being generated by a Ion Chamber
charge created in air thru ionization by
x/gamma radiation is called a?
22. The quantity of radiation exposure mea- Coulomb/Kilogram
sured by an ionization chamber would
be?
23. Air dose
, The C/Kg or R is usually the unit mea-
sured in?
24. List the 3 measurements that are more Gray (1) - Rad (100)
appropriate for measuring absorbed Seivert (1) - Rem (100)
doses for radiation or occupational Curie - Bacquerel
dose?
25. What type of changes are used to mea- Scintillation
sure occupational dose? (3) Biological
Chemical
26. Example of personnel monitor that Film Badge - Operate off Gur-
measures radiation thru chemical ney-Mott theory.
change reaction?
27. Explain the Gurney-Mott Theory...? Describes how an x-ray photon
changes silver halide into atomic
silver in the film emulsion--a defi-
nite chemical change.
28. How long can a film badge be worn? No more than a month
29. Why shouldn't film badges be worn Extreme sensitivity to environ-
greater than a month? mental conditions.
30. TLD's operate thru? Luminescence (NO chemical rx's
occur)
31. Pocket dosimeters can only work for? 1 day and must be reset every-
day.
Upper reading limit of 200-300
rads
32. Pocket dosimeter uses? Electrical current as a measure-
ment of charge.
33. The type of personnel monitor that OSD
could be worn the longest is the?
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