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LADEQ Radiation Safety Practice Test

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This is just a practice test. this is not a copy of a LADEQ test.
rputnam89
Quiz by rputnam89, updated more than 1 year ago
rputnam89
Created by rputnam89 over 10 years ago
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Resource summary

Question 1

Question
A vehicle that can receive ship and deliver a single shipment of radioactive material?
Answer
  • common carrier vehicle
  • Exclusive carrier vehicle
  • Radiation carrier vehicle
  • None of the above

Question 2

Question
What five things do you need to make an X-ray?
Answer
  • High voltage source
  • Collimator
  • Filament-emits electrons
  • Target
  • Vacuum to travel in
  • Lead screens
  • Source of energy

Question 3

Question
a trainee and an instructor make a shot on a Weld. After exposure, the instructor retracts the source and completes a survey .While setting up for the next shot, the source, due to tube compression, moves from the shielded position. The instructor moves to the camera for his survey meter and notices the 'reading. He immediately leaves the tank and realizes the crank is half a turn off. What is the possible cause in the above situation??
Answer
  • Instructor failed to do a proper survey
  • lnstructor failed to read his pocket dosimeter
  • Instructor failed to secure the source
  • Instructor failed to fully retract source (Would •have had high readings during survey)

Question 4

Question
Delayed effect:
Answer
  • Cancer
  • Radiation burn
  • Radiation sickness
  • none of the above

Question 5

Question
Name the numerical constant that describes the rate at which a radioactive material decays.
Answer
  • Dose equivalent constant
  • Exposure constant
  • Dose rate constant
  • Decay constant

Question 6

Question
What 4 things must be inspected annually on an X- ray machine?
Answer
  • Proper labeling
  • Check for contamination
  • Check on/off switch
  • Check wires and connectors
  • Check tube for dirt
  • Check Locks

Question 7

Question
Whose job is it to see if your X-ray machine is properly labeled?
Answer
  • State inspector
  • RSO
  • You
  • None of the above

Question 8

Question
What would the X-Ray machines control panel read?
Answer
  • When energized, this unit will produce Radiation
  • Do not operate without permission
  • Use by authorized personnel only
  • All of the above

Question 9

Question
If your dosimeter is damaged and is fully discharged, this will give you:
Answer
  • An unusually low reading
  • A false high reading
  • None of the above
  • Either A false high reading or An unusually low reading

Question 10

Question
The unit of measure that measures irradiated material is?
Answer
  • rem
  • kVp
  • curies
  • absorbed dose

Question 11

Question
A site that is not listed on the registrant's license is considered?
Answer
  • A temporary job site
  • Non-Notified job site
  • Illegal job site
  • Unlisted job site

Question 12

Question
You are at a temporary job site with a safe line and signs posted. An unauthorized person walks into your Barricade. What do you do?
Answer
  • Raise his attention and tell him to leave the area
  • Try to get his attention, ask him to leave, and if he remains, retract the source and contact security (Or, retract the source immediately)
  • Stop him and tell him the dangers of radiation until he understands
  • Give him a survey meter for immediate....?

Question 13

Question
A vehicle transporting an X-ray machine:
Answer
  • Requires placards
  • Must have warning labels on the vehicle
  • Does not require placards
  • None of the above

Question 14

Question
The energy passing from the filament to the target in an X-Ray machine is called?
Answer
  • Passing tube
  • Carrier tube
  • Tube current
  • None of the above

Question 15

Question
Conforms to DEQ regulations, but not ran by DEQ?
Answer
  • Agreement states
  • Non-agreement states
  • Neither

Question 16

Question
Who regulates the X-Ray programs?
Answer
  • The States control these programs
  • The House of Represenatives
  • OSHA
  • NRC

Question 17

Question
X-Rays are measured in?
Answer
  • Ma
  • Kv
  • kvp
  • kPv

Question 18

Question
Which requires the least amount of regulating?
Answer
  • X-Ray cabinet
  • Enclosed X-Ray cabinet
  • Certified X-Ray Cabinet

Question 19

Question
The energy from a CO 60 source is ____________ times greater than the energy from an Ir 192 source.
Answer
  • 4
  • 7
  • 2
  • 6
  • None of the above

Question 20

Question
Gamma rays measured in?
Answer
  • GmR's
  • MeV
  • Gmu
  • Both GmR's and MeV

Question 21

Question
What is the strongest available source?
Answer
  • Cs137
  • CO 60
  • lr192
  • None of the above

Question 22

Question
Where should a camera be stored in a truck?
Answer
  • In the cab
  • Secured in back furthest from cab
  • In the passenger seat
  • None of the above

Question 23

Question
When transporting an exposure device, what should it be transported in?
Answer
  • Transport system
  • Transport Container {Over pack)
  • Safety container

Question 24

Question
What is the best personnel monitoring device?
Answer
  • Film badge
  • TLD
  • Pocket dosimeter
  • All of the above

Question 25

Question
Pocket dosimeters and film badge must be worn where?
Answer
  • Shirt pocket
  • Back pants pocket
  • both A & B
  • None of the above

Question 26

Question
Radioactive Isotopes decay trying to get back to their stable state. During this process they give off Beta particles and ionizing radiation which your personal protective equipment can read.
Answer
  • True
  • False

Question 27

Question
Internal organs and cells are harmed by exposure to ionizing radiation.
Answer
  • True
  • False

Question 28

Question
What is the most common problem with survey meters?
Answer
  • Weak batteries
  • Dirt
  • Movement

Question 29

Question
A collimator's primary function is to:
Answer
  • Provide Shielding
  • Get rid of all radiation leakage
  • Neither
  • Both

Question 30

Question
Pocket dosimeters read:
Answer
  • X and Gamma rays
  • Gamma and beta particles
  • All three - X "Rays,Gamma Rays and:beta particles
  • None of the above

Question 31

Question
Your pocket dosimeter falls and discharges before you shoot the first shot of the day, and the camera is still locked up. You resurvey the camera and get normal readings. What do you do?
Answer
  • Recharge dosimeter and keep working
  • Contact RSO
  • Contact your supervisor
  • Quit for the day and hope for the best tomorrow.

Question 32

Question
During an exposure your source gets jammed, which of the following do you do?
Answer
  • Stay at barricade and maintain surveillance of area.
  • Contact your RSO and report the problem to the site supervisors.
  • Both of the above
  • Neither of the above

Question 33

Question
You are in an enclosed room X-Raying. After an exposure you check your pocket dosimeter, and it is reading 12mR. You have one exposure left, what do you do?
Answer
  • Turn in your film badge for immediate processing and stop working
  • Continue working
  • Finish shooting,then contact your RSO
  • clock out and leave for the day

Question 34

Question
Target is usually made of:
Answer
  • Lead
  • Brass
  • Tungsten

Question 35

Question
The target creates X"Rays by; Rapid deceleration of electrons (Most energy given off as heat)
Answer
  • True
  • False

Question 36

Question
What makes a material a good absorber?
Answer
  • The Automatic number
  • The Atomic Number (density) and it's thickness
  • neither

Question 37

Question
Why is steel not usually used in cameras as shielding?
Answer
  • Because it is not a proper shielding
  • Because it would make camera too bulky and heavy
  • Both are correct

Question 38

Question
Companies should do an inventory of source:
Answer
  • Daily
  • Weekly
  • Quarterly
  • Bi-weekly
  • Yearly
  • Every 6 months

Question 39

Question
The most common problem found during quarterly maintenance of exposure devices?
Answer
  • Broken Connector
  • Frayed pigtail
  • Dirt
  • All of the above
  • None of the above

Question 40

Question
What don't you record on a utilization log?
Answer
  • When a source is checked out
  • When the source is brought back in
  • The name of the technician checking out the source
  • Your surveys after each exposure

Question 41

Question
What do you record on a utilization log?
Answer
  • When a source is checked out
  • When the source is brought back in
  • The name of the technician checking;out the source
  • Your surveys after each exposure

Question 42

Question
What do you record on a utilization log?
Answer
  • When a source is checked out
  • When the source is brought back in
  • The name of the technician checking;out the source
  • Your surveys after each exposure

Question 43

Question
What do you record on a utilization log?
Answer
  • When a source is checked out
  • When the source is brought back in
  • The name of the technician checking;out the source
  • Your surveys after each exposure

Question 44

Question
W hat part of the camera is the most important part to survey after each exposure?
Answer
  • The front
  • The back
  • The sides
  • The top
  • The bottom

Question 45

Question
W hat part of the camera is the most important part to survey after each exposure?
Answer
  • The front
  • The back
  • The sides
  • The top
  • The bottom

Question 46

Question
W hat part of the camera is the most important part to survey after each exposure?
Answer
  • The front
  • The back
  • The sides
  • The top
  • The bottom

Question 47

Question
To do a proper survey after each exposure, you should: Survey all sides of the camera and the entire length of the source tube.
Answer
  • True
  • False

Question 48

Question
Range of survey meter?
Answer
  • 2mR to 1,000mR (1R)
  • 1R to 100R
  • .005mR to 1mR
  • None of the above

Question 49

Question
The range of pocket dosimeter is 0 to 200mR.
Answer
  • True
  • False

Question 50

Question
Survey meters are to be calibrated every ______ months
Answer
  • 4
  • 3
  • 12
  • 6

Question 51

Question
Pocket dosimeters are calibrated?
Answer
  • Monthly
  • Yearly
  • Weekly

Question 52

Question
Your survey meter has been calibrated for use on C060. Can you use it for X-Rays?
Answer
  • No
  • Yes
  • Possibly

Question 53

Question
Can an X-Ray systems control panel be locked out?
Answer
  • Yes
  • No

Question 54

Question
Your survey meter is set on x1? Your survey the camera and the meter is pegged out. What should you do?
Answer
  • Exit the area, reset meter to x10 and resurvey the camera
  • Move to a shielded area and see if the survey meter is responding properly
  • Ignore the survey meter, and continue working

Question 55

Question
What is the device called that allows the movement of the shielding or the source to make a radiographic exposure?
Answer
  • Camera or Exposure Device
  • Cable reel

Question 56

Question
Ball stop: Prevents the source from being pulled out the back of the camera and locks it.
Answer
  • True
  • False

Question 57

Question
Safety Plug: Goes into the _________ of the camera to secure the source and keep out dirt.
Answer
  • Back
  • Front
  • Side

Question 58

Question
Radiation output: (the type of radiation, not Curies).
Answer
  • Co60
  • lr192
  • Niether
  • Ci's

Question 59

Question
What will increase the flow of electrons?
Answer
  • Less current
  • Less voltage
  • More current or voltage
  • Niether

Question 60

Question
If you increase the mA, you shorten the exposure proportionally {5mA to 10mA will cut the exposure time in half).
Answer
  • True
  • False

Question 61

Question
What on an x-ray determines the exposure of the film?
Answer
  • The Silver Bromide
  • The Gold Bromide

Question 62

Question
Safe line: _____ Radiation area: _____ High Radiation Area: ____ All are in any one hour
Answer
  • 2mR, 6mR, 200mR
  • 2mR, 5mR, 1R
  • 2mR, 5mR, 100mR
  • None of the above

Question 63

Question
If you received a low level of radiation over a long period of time, what would be affected the most? (Bone marrow is the most sensitive-not an answer)
Answer
  • Skin
  • Bone
  • Thyroid
  • Liver

Question 64

Question
We receive more radiation from this than anything else?
Answer
  • Gamma Ray's
  • Medical X-Rays
  • X-Rays

Question 65

Question
Where would you find the information required to make a satisfactory exposure?
Answer
  • In the Operating and Emergency Procedures.
  • In your Personal Procedures

Question 66

Question
Where would you find the emergency numbers you may need while working in the field?
Answer
  • In you Personal Procedures
  • In the Operating and Emergency Procedures

Question 67

Question
If you were in an-accident, what would your primary concern be?
Answer
  • If the -source is still secured
  • Your personal health
  • The vehicle is ok

Question 68

Question
You are making an exposure on across country pipeline. While setting up this exposure, what would be the most efficient way to set up the safe line?
Answer
  • Don't worry about a safe line, you're miles away from anyone.
  • Use ropes and signs to barricade off the 2mR line
  • None of the above

Question 69

Question
What are the delayed effects - of radiation? 1. Genetic effects 2. Radiation burns 3. Radiation sickness 4. Cancer
Answer
  • 1 and 2
  • 2 and 3
  • 1 and 4
  • 1,3 and 4

Question 70

Question
Why do you survey after you use a radiation machine?
Answer
  • To make sure the source is in the shielded position
  • To ensure the radiation being emitted is within the regulation limits
  • To make sure the X-Ray machine is off

Question 71

Question
You and -a radiographer are shooting for several hours at a temporary job site . You survey the barricade and find that you are receiving 4 mR/hr.What do you do?
Answer
  • Make sure your exposure time does hot exceed 45-minutes in any one hour.
  • Make sure your exposure time does hot exceed 30-minutes in any one hour.
  • Make sure your exposure time does hot exceed 20-minutes in any one hour.
  • Make sure your exposure time does hot exceed 10-minutes in any one hour.
  • None of the above

Question 72

Question
You are heading to a job site, and realize you left your film badge at the shop. What do you do?
Answer
  • Turn around and go get your film badge
  • Continue to the job site, and go about you business as if you had it
  • Get a new film badge

Question 73

Question
You are going into the field and will be using both gamma and X-ray equipment. Which of the following must be with you?
Answer
  • Your school ID
  • your gamma certification card
  • TWIC Card

Question 74

Question
You drop your dosimeter while performing a shot. After recovering it, you find that it is off- scale. What do you do?
Answer
  • recharge the dosimeter and keep working
  • Call you'r RSO to find out how to proceed
  • You're fired

Question 75

Question
You are receiving 50mR/hr. How would you label this area?
Answer
  • High radiation area
  • Radiation area
  • Safe Line

Question 76

Question
You are making a shot, you check your dosimeter and find that you have received 55mR. What do you do?
Answer
  • Stop shooting, leave radiation area and contact your RSO
  • Continue shooting, you already have a high dose
  • Stop shooting and go home for the day without saying anything and hope nothing is said tomorrow.

Question 77

Question
What three things should you, while working as a radiographer, have on you at all times?
Answer
  • Film badge, TLD and dosimeter
  • Film badge or TLD, rate alarm and dosimeter
  • 2 dosimeters, a film badge and a survey meter

Question 78

Question
You take an X-ray machine to a temporary job site. When is it OK to leave it alone?
Answer
  • Anytime as long as your RSO is contacted and knows where you are
  • It is never OK to leave the machine with the key in it
  • Always

Question 79

Question
What is the best.way to move an X-ray machine?
Answer
  • with it on
  • only with protective clothing on
  • when it is unplugged

Question 80

Question
What is this? {Shows a picture of a SPECcamera)
Answer
  • An exposure-device ( or a Camera) that meets ANSI 432 standards
  • a dosimeter
  • a survey meter
  • a source changer

Question 81

Question
What is the name of the federal agency that regulates radioactive sources and businesses?
Answer
  • NRC
  • ACLU
  • NAACP
  • DOE

Question 82

Question
Radioactive sources are never to be stored _____________?
Answer
  • within the city limits
  • inside a truck
  • in a residential area
  • none of the above

Question 83

Question
Where can you store a radioactive source?
Answer
  • Transport container
  • Security container
  • Both
  • Neither

Question 84

Question
A permanent facility is a site that is built for radioactive activity in a non-temporary facility.is called?
Answer
  • True
  • False

Question 85

Question
A temporary site that is built for radioactive activity is called a permanent facility?
Answer
  • True
  • False

Question 86

Question
What does an interlock do?
Answer
  • Allows exit from a room, but not entrance
  • Does not allow unwanted entry or exit
  • Keeps the camera locked, for transport

Question 87

Question
What type of shielding is this? (Diagram points to the material surrounding the S-tube)
Answer
  • Tungsten
  • Depleted Utanium
  • Neither
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