Radiation Refresher Quiz (25 Questions / 1 mark each)

Radiation Refresher Quiz (25 Questions / 1 mark each)
Instruction:



Please select one answer per question by circling the appropriate letter.
Please fill out the registration information at the end of the quiz
Send your completed quiz by fax to Local 6359 or by Campus mail to:
Occupational Health, Safety & Environment, Sedgewick B130.
1. Proper shielding for high energy beta radiation is:
a.
b.
c.
d.
e.
Lead
No shielding
Steel
Plexiglass
None of the above
2. A liquid scintillation counter is used to count wipe test results since:
a. It is the easiest survey device to use
b. Results can be determined very quickly
c. It is sensitive to alpha and beta contamination not picked up by other
devices
d. It is readily available
e. All of the above
3. Regulatory and Standards Agencies include:
a.
b.
c.
d.
e.
Canadian Nuclear Safety Commission
WorkSafe BC
Radiation Protection Services of BCCDC
Radiation Protection Bureau of Canada
All of the above
4. Responsibilities of the Permit Holder include:
a.
b.
c.
d.
e.
Providing an annually calibrated survey meter
Ensuring personnel are properly instructed and supervised
Laboratories are secured against unauthorized access
Ensure proper labeling and storage of sources
All of the above
5. Dosimeters:
a.
b.
c.
d.
e.
Must be worn any time radiation is used
Only effective method for detecting low energy betas
Measure accumulated dose over a long period of time
Highly sensitive detection technology
All of the above
6. Responsibilities of the Radiation User:
a.
b.
c.
d.
Report any incident or accident
Ensure that use of sources of radiation does not endanger others
Successfully complete UVic’s Radiation Safety Course
Be familiar with and comply with UVic’s Radiation Safety
Regulations – Policies and Procedures
e. All of the above
7. Which can be stopped by a sheet of paper or the outer dead layer of skin:
a.
b.
c.
d.
e.
Alpha particles
Beta particles
Gamma photons
X-Rays
None of the above
8. 1 mCi equals:
a.
b.
c.
d.
e.
2.22 x 105 Bq
2.22 x 106 Bq
3.7 x 107 Bq
3.7 x 108 Bq
None of the above
9. Allowable dose limits for the general public are the limits used for UVic radiation
users. This limit is:
a.
b.
c.
d.
e.
1.0 mSv per quarter
10.0 mSv per year
50.0 mSv per year
1.0 mSv per year
None of the above
10. The Administrative body on campus that is responsible for issuing permits,
recommending polices and procedures, and investigating any violation of
radioisotope usage policies and recommending disciplinary action to the VP
Finance and Operations:
a.
b.
c.
d.
e.
CNSC
UVic Radiation Safety Committee
Radiation Safety Officer
Permit Holder
None of the above
11. The potential for radiation damage is affected by:
a.
b.
c.
d.
e.
Type of radioactive decay
Energy of radioactive decay
Half-life of the radioisotope
Rate at which radioisotope is excreted from the body
All of the above
12. The CNSC Consolidated Radioisotope Licensing Agreement regulates:
a.
b.
c.
d.
e.
Amount of time allowed to work with radiation sources
Distance worker must be from radiation sources
Type of shielding that must be used
Maximum quantities allowed in possession
None of the above
13. It is not necessary to contact the Radiation Safety Officer in the event of a spill.
a. True
b. False
14. A radionuclide will emit excess energy in the form of electromagnetic or particle
radiation in order to become stable.
a. True
b. False
15. Gamma radiation is very high-energy ionizing radiation having either a positive
or negative charge.
a. True
b. False
16. It is permissible to work on a bare bench if you are using µCi amounts of
radioactivity.
a. True
b. False
17. Half-life refers to the time in which half the atoms will decay to another element
by means of radioactivity.
a. True
b. False
18. Routine radioisotope contamination monitoring is a condition of the University’s
Consolidated Radioisotope Licence from the CNSC.
a. True
b. False
19. All solid and liquid radioactive wastes are to be taken by radioisotope users to
Petch 035 for proper disposal.
a. True
b. False
20. When beta particles pass through matter, X-rays can be produced.
a. True
b. False
21. The CNSC enforces compliance with the Nuclear Safety and Control Act,
regulations, and any licence conditions imposed by the commission.
a. True
b. False
22. Reducing work time with radiation by ½ will reduce the dose by ½.
a. True
b. False
23. It is not necessary to keep wipe test results.
a. True
b. False
24. UVic only requires the use of dosimeters when there is a probability of receiving
an effective dose greater than 1 mSv in a one-year dosimetry period.
a. True
b. False
25. Procedures for purchasing, waste handling, contamination monitoring, and
pregnant personnel can be found in UVic’s Radiation Safety Policies and
Procedures manual available online and in areas where radiation is used.
a. True
b. False
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