What do OSL, TLD rings, and personnel direct ion storage dosimeters have in common?

These devices are all used for personnel monitoring

which of the following devices contain an aluminum oxide detector

optically stimulated luminescence dosimeter

Conflicting views exist on assessing the risk of cancer indruction from low-level radaiton exposure, so the trend is to

create more rigorous radiation protection standards

The ALARA concept adopts an extremely conserviateve model concering the realtionship between:

ionizing radiation and potential risk

The primary function of the NRC is to

oversee the nuclear energy industry

which of the following are early tissue reactions experienced by early radiation workers. Select all that apply

intestinal disorders, redness of skin, blood disorders

The Effective dose limiting systems is:

current method for controlling the risk of biologic damage

When changing employment, what should a radiation worker convey to the new employer?

Data pertinent to acculumlated permanent equivalent dose to put on file

How is the readout for a personnel direct ion storage dosimer obtained?

through a physical connecting device such as a universal serial bus (USB)

The front of the white paper pakcet of the optically OSL dosimeter:

may be color coded to facility correct usage and placement

which of the following is a disadvantage of the OSL dosimeter

exposure not determinable on the day of occurance w/o an in-house reader

Which of the following instruments is called a cutie pie?

ionizing chamber-type survey meter

which of the following personnel monitoring devices can be used to provide and immediate exposure readout

Personnel direct ion storage dosimeter

Cataract formation, fibrosis, reduced fertility, and sterility are classified as

Late tissue reactions of ionizing radiation

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Questions 77

Answers

1
working in conjuction with their partners in other agencies, the FDA intends to take action to
all of the options
increase patient awareness
support informed clinical decision
promote safe use of medical imaging devices
2
What do OSL, TLD rings, and personnel direct ion storage dosimeters have in common?
these devices use the same sensing material to detect ionizing radiation
These devices are all used for personnel monitoring
each can only be used for personnel monitoring for a max of 6 months
these devices are all used to area monitoring
3
Which of the following units of measure are not SI units
coulombs per kilgram, grays, seiverts
Roentgens
roentgens, rads, rems
rads and rems
4
The anual effective dose limit for the general public receiving continuous or frequent exposure
10 mSv
5 mSv
1 mSv
3 mSv
5
Personnel monitoring is required employees who are likely to risk receving _ or more of the annual occupation dose limit
1%
10%
5%
15%
6
effective dose limits may be specified for
exposure of individual organs
whole body exposure
all of the options
partial-body exposure
7
LET is expressed in unites of
EfD
KeV/μm
Eqd
person-seivert
8
How is dose area product usually specified
in subnunits of milliseivert
in units of mGy-cm squared
in ergs per gram
in coulomb per kilogram
9
as the intesity of x ray exposure of the air volume inceases, the number of electron-ion pairs produced:
also increases
decreases considerably
decreases slightly
remains the same
10
with OSL dosimeters, the 'M' on the radiation dosimetry report indicates that the technologist received less than
10 rem
1 mrem
1 rem
10 mrm
11
An RSO must have suffecient authority, organizational freedom, and managment prerogative to
all of the options
Identify radiation safety problems and implementation of corrective actions
stop unsafe operations involving by-product material
inisitate, reccommend, and provide corrective actions
12
Which of the following is the unit of collective effective dose (ColfEfD)?
Gray-sievert
Rad-Seivert
Person-sievert
coulomb per kilogram-sievert
13
the equivelent dose limit for the embryo-fetus is __ per month and __ for entire gestation
5 mSv; 50 mSv
10 mSv; 100 mSv
0.1 mSv; 1 mSv
0.5 mSv; 5.0 mSv
14
Which radiation quantity acounts for some biologic tissues being more senstive to radiation damange than other tissues
effective dose
Absorbed dose
equivalent dose
exposure
15
which of the following devices contain an aluminum oxide detector
thermoluinescent ring dosimeter
optically stimulated luminescence dosimeter
personnel direct ion storage dosimeter
proportional counter
16
1 gray equals
100 J/kg
10 J/kg
100 cGy
1000cGy
17
Which of the folloiwn gare disadvantages of the TLD ring
readings will be lost if not carefully recorded
the readout process destorys information stored in the ring
calibrated dosimeters must be prepared before hand and read with each group
all of the options
18
What are the three filters in the optically stimulated lumnescense dosimeter?
aluminum, tin, lead
zinc, copper, lead
aluminum, tin, copper
zinc, copper, barium
19
deterime the cumulative effective dose limit to the whole body of an accupationally expossed person whi is 46 years old
4.6 mSv
46mSv
460 mSv
4600 mSv
20
The whole body TEDE regulatory limit for exposed personnel is ___ and ___ for the general public
0.05 Sv, 0.001 Sv
0.15 Sv, 0.015 Sv
0.5 Sv, 0.1 Sv
0.25 Sv, 0.025 Sv
21
Conflicting views exist on assessing the risk of cancer indruction from low-level radaiton exposure, so the trend is to
eliminate radiation protection standards
leave radiation standards the same as they have been for the last 20 years
reduce radiation protection standards
create more rigorous radiation protection standards
22
Who was the first american radiation worker to die from radiation induced cancer in october of 1904
Marie Currie
Wilhelm C Roentgen
Clarence Madison Dally
Thomas A Edison
23
which of the folliwng is essentially the sum total or air kerma over the exposed are of the patient's body surface?
equivalent dose
absorbed dose
dose area product
effective dose
24
beta particles are actually
protons
high speed electrons
gamma rays
x rays
25
the total kinetic energy release in a unit mass (kilogram) of air and expressed in metric units of joules per kilogram
air kerma
absorbed dose
equivalent dose
effective dose
26
The ALARA concept adopts an extremely conserviateve model concering the realtionship between:
radiation dose and health care spending
Ionizing and nonionizing radiation
ionizing radiation and potential risk
health care education and radiation research
27
if a dose of radiation makes skin burn, a higher dose equals skin burn to be more severe, a dose below a threshold will
demonstrate this effect to moderate degree
demonstrate this effect to a much greater degree
demonstrate this effect to a lesser degree
not demonstrate this effect
28
exposure for education and training dose limit is
3 mSv annually
2 mSv annually
1 mSv annually
0.5 mSv annually
29
Some advantages of the OSL dosimeter are
lightweight, durable, and easy to carry
all of the options
integrated, self-contained, preloaded packet
can be used for up to 1 year
30
The primary function of the NRC is to
inspect imaging facilities
all of the options
regulate imaging facilities
oversee the nuclear energy industry
31
which of the following are early tissue reactions experienced by early radiation workers. Select all that apply
blood disorders
intestinal disorders, redness of skin, blood disorders
organ atrophy
Diffuse redness of skin
32
The Effective dose limiting systems is:
a method of the NRC to see if workers are in complience with rad substances
current method for controlling the risk of biologic damage
method used by the FDA for ongoing product control
responsible for the development of the radiation hormesis theory
33
The UNSCEAR evaluates human and environment ionizing radiation exposures from a variety of sources, including
radioactive materials
all of the options
radiation-producing machines
radiation accidents
34
When changing employment, what should a radiation worker convey to the new employer?
Data pertinent to acculumlated permanent equivalent dose to put on file
a list of all radiographic prodecures performed daily
a list of all fluoro procedures performed daily
A report of all procedures perfome whole on call after regular hours
35
select all which responsibilities of a health care facility's admin personnel to ensure a good radiation safety program
provide the equipment needed for starting/continuing the safety program
all the options
delegate operational funds in the budget for the radiation safety program
oversee development of policies and procedures for the radiation program
36
The annual negligible individual dose (NID) of ___ per source or practice has been set
0.001 mSv/year
0.01 mSv/year
0.1 mSv/year
1.0 mSv/year
37
Which of the following is the SI unit of the elctrical current
coloumb per kilogram
Ampere
erg
seivert
38
How is the readout for a personnel direct ion storage dosimer obtained?
by measuring the amount of light emitted from its sensing material
by heating the sensing materail in the device to a specific temperature
by hand processing in specific chemical solutions
through a physical connecting device such as a universal serial bus (USB)
39
What is the max period of time a TLD may be worn as a personnel device
1 month
1 hour
1 week
3 months
40
The current radiation protection philosophy is based on a linear nonthreshold link between dose and biologic response
True
False
41
The front of the white paper pakcet of the optically OSL dosimeter:
must not have any type of printing on it
must be radiopaque
may be color coded to facility correct usage and placement
most never be exposed to ionzing radiation
42
which of the following is a disadvantage of the OSL dosimeter
exposure not determinable on the day of occurance w/o an in-house reader
not cost effective for large numbers of personnel
mechanical shock can cause false high reading
no permanent, legal record of exposure
43
0.2 Gy equals
200 mGy
2000 mGy
20 mGy
2 mGy
44
Old dose type where occupationally exposed person could be continuously subjected without any apparent harmful effects
tolerance dose
maximum permissible dose
effective dose
weighted dose
45
Which of the following instruments is called a cutie pie?
ionizing chamber-type survey meter
OSL dosimeter
propertional counter
direct ion storage chamber
46
which of the following personnel monitoring devices can be used to provide and immediate exposure readout
all of the options
Personnel direct ion storage dosimeter
OSP dosimeter without an in-house reader
Thermoluminescent ring dosimeter
47
Who's resonsible for radiation monitoring, and counseling when excess radiation is received by a worker
Radiation saftey officer
radiologic technologist in charege of quality control
director of human resources
hospital administrator
48
When a radiographer wears a lead apron during fluoroscopy, it stops all radiation from getting through the body
False
True
49
Cataract formation, fibrosis, reduced fertility, and sterility are classified as
stochastic effects of ionizing radiation
early tissue reactions of ionizing radiation
Late tissue reactions of ionizing radiation
hereditary effects of ionizing radiation
50
The ICRP recommends occupational dose limits and public dose limits but is not an enforcing agency.
True
False
51
which of the following formulas is used to calculate effective dose
EfD = D x Wr x Wt
EfD = (D x WR)1 + (D x WR)2 + (D x WR)3
all of the options
EfD = D/WR x Wt
52
what do radiaiton weighting factors that take into consideration
that some types of radiation are more effecient at causing biolgic damage
the overal risk of expousre to humans form the ionizing radiation
both internal and external dose measurements
all of the options
53
which of the following groups is run by the government of Japan, primarly to study Japanese atomic bomb survivors?
International Commission on radiological protection
radiation effects research foundation
NRCC on the biological effects of ionizing radiation
nuclear regulatory commission
54
Which of the following agencies was previously known as the atomic energy commission
FDA
ICRP
NRC
NCRP
55
in therapeutic radiology what SI units are now routinely used to specify absorbed dose?
air kerma and microgray
gray and centigray
Coulomb per kilogram and roentgen
seivert and millisievert
56
A dimensionless factor, or multiplier that places risk associated with biologic effects on a common scale known as the
EqD
D
Wr
Wt
57
If 400 people received an average effected dose of .25 Sv, what is the collective effective dose?
1600 person-Sv
100 person-Sv
200 person-Sv
800 person-Sv
58
Which of the folloiwng types of ionizing radiation produce virtually the same biologic effect in the body tissue?
xrays, alpha particles, and fast neutrons
alpha particles, beta particles, gamma rays
x rays, neutrons, gamma rays
xrays, beta particles, gamma rays
59
What instrument can be calibrated to read air kerma
amp meter
voltmeter
coulomb counter
standard, or free-air, ionization chamber
60
For Stochastic effects, the severity and probability depend on the dose of radiation received
False
True
61
which of the following are adantages of personnel direct ion strage dosimeter
lightwieght and durable
can be dropped or scratched with littel change of harm
all the options
instant acess to reports
62
Whenever the letter M appears on the current monitoring period of a personnel monitoring report, it signifies
a mistake has been made in recording the equivalent dose
an equivalent dose higher than the minimum measurable radiation
the equivalent dose was below the minimum measureable radiation quantity
the maximal equivalent dose has been exceeded during that time
63
what is the max person of time a TLD ring may be worn as a personnel device?
1 hour
1 month
3 months
1 week
64
Which component of the geiger muller survey meter alerts when there is ionizing radition?
The meter scale
the metal that encloses the counter's gas-filled tube
The shield covering the probe's sensitivity chamber
an audio amplifier and speaker
65
The annual occupational dose limit is
50 mSv
100 mSv
5 mSv
10 mSv
66
which of the following are funcitons of OSHA
regulates occupational exposure to radiaiton through 29 CFR 1910
responsibple for regulations on employee's right to know about hazards
monitors places of employments, predominantly in industry
all of the options
67
The effective dose (EfD) occupational limit for the lens of the eye is
15 mSv
5 mSv
50 mSv
150 mSv
68
Which of the of following is not a requirement that radiation survey instruments meet
should be able to detect all common types of ionizing radiation
should be calibrated annually to ensure accuracy
must all be equally sensitive in the detection of all types of radiation
should react with ionzing radiaiton similarily to method of human tissue
69
which of the following instruments has a check source of a weak, long lived radioisotope located on each side of surface
Geiger-muller survey meter
proportional counter
ionization chamber type survey meter
personnel direct ion storage dosimeter
70
The NCRP is an agency who develops and enforces radiation protection standards in the United States
True
False
71
which of the following statments are true
personnel alwasy receive equivalent dose close to anual limit
personnel absolutely never receive equivalent dose close to annual limit
personnel hardly ever receive equivalent dose close to annual limit
personnel almost always receive equivalent dose close to annual limit
72
Who discovered x rays on November 8 1895
Louis Harold gray
clarence madison dally
Thomas Edison
wilhelm conrad roentgen
73
The occupational effective dose limit for localized ares of the skin, hands, and feet is
500 mSv
50 mSv
15 mSv
150 mSv
74
which of the following are not traditional units
Gy and Sv
C/kg, Gy, Sv
R, rad, rem
C/kg
75
The essential concept underlying radiation protection is that
only critical organs are vulnerable to damage from exposure to radiation
no organ is vulnerable to damage from to exposure to ionizing radiation
Any organ is vulnerable to damage from exposure to ionizing radiation
only reproductive organs are vulnerable to damage from ionizing radiation
76
The annual effective dose (EfD) limit for the general public receiving infrequent exposure is
1 mSv
3 mSv
5 mSv
10 mSv
77
defined as the measure of the total electrical charge of one sign (+/-) per unit mass that generate in dry air
collective effective dose
equivalent dose
absorbed dose
exposure

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