Transport index is the reading in mR/hr at ___ from the package surface
A.
10 cm
B.
1 foot
C.
1 cm
D.
1 m
2.
A medical event occurs when a dose exceeds _____ EDE or _____ to an organ or tissue or skin from 5 criteria.
A.
10 rem; 50 rem
B.
5 rem; 50 rem
C.
10 rem; 500 rem
D.
5 mrem; 50 mrem
3.
The released I-131 therapy patient must be given instructions, including in writing, to maintain the dose in ALARA if the TEDE to any individual is likely to exceed?
A.
100 mrem
B.
50 mrem
C.
100 rem
D.
50 rem
4.
A licensee can release a patient who received a Rphx provided that the TEDE to any other individual from exposure to the patient is not likely exceed ____.
A.
100 mrem
B.
50 mrem
C.
100 rem
D.
500 mrem
5.
Personnel exposure monitoring records need to be stored?
A.
Until the NRC terminates the license
B.
3 years
C.
1 year
D.
Forever
6.
Radioactive waste disposal can be done by?
A.
Decay in storage
B.
Release into sewage system
C.
Transfer to authorized recipient
D.
Incineration of solid waste or atmospheric release of gasses
E.
All of these
7.
Written directives, radioactive waste disposal by decay in storage records, calibration of dose calibrator, Moly breakthrough records, dosage records, and survey meter records need to be stored?
A.
Until the NRC terminates the license
B.
3 years
C.
1 year
D.
Forever
8.
Dosage records must include?
A.
Name
B.
Lot #
C.
Expiration date
D.
Patients name and date and time of administration
E.
All of these
9.
Radiation damage to the DNA molecule can be due to?
A.
Loss of a base.
B.
Cleavage of the hydrogen bond between bases.
C.
Breakage of one strand of DNA molecule.
D.
Loss of a base, breakage of one strand of DNA molecule.
E.
All of these.
10.
External whole body exposure is the dose equivalent at a tissue depth of 1 cm is?
A.
TEDE
B.
Tissue weighting factor
C.
Deep dose equivalent
D.
Shallow dose equivalent
11.
External exposure of the skin or an extremity at a tissue depth of 0.007cm averaged over an area of 1cm^2 is
A.
TEDE
B.
Tissue weighting factor
C.
Deep dose equivalent
D.
Shallow dose equivalent
12.
When the activity in a thyroid therapy patient is less than _____ or the measured exposure rate is less than ____ mrem/hr at 1m, the patient can be released.
A.
500 uCi; 10
B.
10 mCi; 50
C.
33 mCi; 7
D.
33 uCi; 7
13.
Bioassays are required when the level of radioiodine activity handled ( volatile) exceeds _____ in an open bench, fume hood , glove box, sequentially.
A.
10 uCi
B.
1 mCi, 10 mCi, 100 mCi
C.
0.1 mCi, 10 mCi, 100 mCi
D.
10 mCi, 100 mCi, 1000 mCi
14.
Bioassays are performed using the ______ within _____ and at ______ after handling 131/125 rphxs.
A.
Thyroid uptake test; 72 hours; 14 days
B.
Thyroid uptake test; 5 days; 14 days
C.
Urine test; 5 days; 14 days
D.
Thyroid uptake test; 5 days; 28 days
15.
An unrestricted area is an area in which a person could receive from external source a dose of _____.
A.
2 mrem/hr
B.
50 mrem/yr
C.
10 mrem/hr
D.
2 mrem/hr, 50 mrem/yr
16.
The NCRP recommends a lifetime cumulative dose of ________ x age in years.
A.
1 rem
B.
10 rems
C.
0.1 rems
D.
5 rems
17.
The survey reading of external exposure should not exceed _____ at the surface of the container or _____ at 1m from the surface of the container.
A.
100 mrem/hr; 10 mrem/hr
B.
200 mrem/hr; 1 mrem/hr
C.
200 mrem/hr; 10 mrem/hr
D.
10 mrem/hr; 200 mrem/hr
18.
The wipe test limit recommended by the NRC is ______ dpm for I-131 in a restricted area.
A.
20
B.
200
C.
2000
D.
20000
19.
A medical event occurs; the licensee makes a written report to the NRC. It should include?
A.
Names of all individuals involved except patient.
B.
Brief description of what happened.
C.
Effects on patient and actions taken to prevent recurrence.
D.
Name of patient or patient identifiers.
E.
Names of all individuals involved except patient, brief description of what happened, Effects on patient and actions taken to prevent recurrence.
20.
A radioactive package must contain a shipping document inside which indicates?
A.
Identity
B.
Amount
C.
Chemical form of the radioactive material
D.
TI
E.
All of these
21.
Action level II occurs when exposure level exceeds _____ of the occupational exposure limit.
A.
10%
B.
30%
C.
20%
D.
50%
22.
Action level I occurs when exposure level exceeds _____ of the occupational exposure limit.
A.
10%
B.
30%
C.
20%
D.
50%
23.
A "Radiation area" means someone could receive dose equivalent exceeding ___ in 1hr at _____ cm from the source.
A.
500 rads; 100 cm
B.
0.1 mrem; 30 cm
C.
5 mrem; 30 cm
D.
0.1 rem; 60 cm
24.
A minor spill occurs; the best instrument for surveying the area after decontamination is a?
A.
Cutie pie/Ionization chamber
B.
GM counter
C.
Pocket dosimeter
D.
Well counter
25.
The best device for monitoring I-131 therapy exposure levels is ?
A.
Cutie pie/Ionization chamber
B.
Gm counter
C.
Pocket dosimeter
D.
Well counter
26.
A source is emitting 100 mR/hr, 4 HVLs are placed around in it; the new exposure rate will be ___ mR/hr
A.
25
B.
3.12
C.
12.5
D.
6.25
E.
50
F.
75
27.
TEDE is?
A.
Difference between effective deep dose equivalent for external exposure and committed effective dose equivalent for internal exposure, for all organs.
B.
Sum of shallow dose equivalent for external exposure and committed effective dose equivalent for internal exposure, for all organs.
C.
Sum of effective deep dose equivalent for external exposure and committed effective dose equivalent for internal exposure, for all organs.
D.
Sum of effective deep dose equivalent for external exposure and restricted area exposure for external exposure.
28.
Filters of metals of different densities are placed in a film badge; the reason is?
A.
To shield wearer from radiation.
B.
To differentiate exposures from radiations of different types and energies.
