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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 por rputnam89, atualizado more than 1 year ago
rputnam89
Criado por rputnam89 aproximadamente 10 anos atrás
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Resumo de Recurso

Questão 1

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

Questão 2

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

Questão 3

Questão
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??
Responda
  • 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)

Questão 4

Questão
Delayed effect:
Responda
  • Cancer
  • Radiation burn
  • Radiation sickness
  • none of the above

Questão 5

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

Questão 6

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

Questão 7

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

Questão 8

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

Questão 9

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

Questão 10

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

Questão 11

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

Questão 12

Questão
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?
Responda
  • 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....?

Questão 13

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

Questão 14

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

Questão 15

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

Questão 16

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

Questão 17

Questão
X-Rays are measured in?
Responda
  • Ma
  • Kv
  • kvp
  • kPv

Questão 18

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

Questão 19

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

Questão 20

Questão
Gamma rays measured in?
Responda
  • GmR's
  • MeV
  • Gmu
  • Both GmR's and MeV

Questão 21

Questão
What is the strongest available source?
Responda
  • Cs137
  • CO 60
  • lr192
  • None of the above

Questão 22

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

Questão 23

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

Questão 24

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

Questão 25

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

Questão 26

Questão
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.
Responda
  • True
  • False

Questão 27

Questão
Internal organs and cells are harmed by exposure to ionizing radiation.
Responda
  • True
  • False

Questão 28

Questão
What is the most common problem with survey meters?
Responda
  • Weak batteries
  • Dirt
  • Movement

Questão 29

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

Questão 30

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

Questão 31

Questão
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?
Responda
  • Recharge dosimeter and keep working
  • Contact RSO
  • Contact your supervisor
  • Quit for the day and hope for the best tomorrow.

Questão 32

Questão
During an exposure your source gets jammed, which of the following do you do?
Responda
  • 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

Questão 33

Questão
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?
Responda
  • 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

Questão 34

Questão
Target is usually made of:
Responda
  • Lead
  • Brass
  • Tungsten

Questão 35

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

Questão 36

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

Questão 37

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

Questão 38

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

Questão 39

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

Questão 40

Questão
What don't you record on a utilization log?
Responda
  • 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

Questão 41

Questão
What do you record on a utilization log?
Responda
  • 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

Questão 42

Questão
What do you record on a utilization log?
Responda
  • 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

Questão 43

Questão
What do you record on a utilization log?
Responda
  • 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

Questão 44

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

Questão 45

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

Questão 46

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

Questão 47

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

Questão 48

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

Questão 49

Questão
The range of pocket dosimeter is 0 to 200mR.
Responda
  • True
  • False

Questão 50

Questão
Survey meters are to be calibrated every ______ months
Responda
  • 4
  • 3
  • 12
  • 6

Questão 51

Questão
Pocket dosimeters are calibrated?
Responda
  • Monthly
  • Yearly
  • Weekly

Questão 52

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

Questão 53

Questão
Can an X-Ray systems control panel be locked out?
Responda
  • Yes
  • No

Questão 54

Questão
Your survey meter is set on x1? Your survey the camera and the meter is pegged out. What should you do?
Responda
  • 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

Questão 55

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

Questão 56

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

Questão 57

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

Questão 58

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

Questão 59

Questão
What will increase the flow of electrons?
Responda
  • Less current
  • Less voltage
  • More current or voltage
  • Niether

Questão 60

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

Questão 61

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

Questão 62

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

Questão 63

Questão
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)
Responda
  • Skin
  • Bone
  • Thyroid
  • Liver

Questão 64

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

Questão 65

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

Questão 66

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

Questão 67

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

Questão 68

Questão
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?
Responda
  • 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

Questão 69

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

Questão 70

Questão
Why do you survey after you use a radiation machine?
Responda
  • 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

Questão 71

Questão
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?
Responda
  • 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

Questão 72

Questão
You are heading to a job site, and realize you left your film badge at the shop. What do you do?
Responda
  • 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

Questão 73

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

Questão 74

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

Questão 75

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

Questão 76

Questão
You are making a shot, you check your dosimeter and find that you have received 55mR. What do you do?
Responda
  • 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.

Questão 77

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

Questão 78

Questão
You take an X-ray machine to a temporary job site. When is it OK to leave it alone?
Responda
  • 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

Questão 79

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

Questão 80

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

Questão 81

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

Questão 82

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

Questão 83

Questão
Where can you store a radioactive source?
Responda
  • Transport container
  • Security container
  • Both
  • Neither

Questão 84

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

Questão 85

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

Questão 86

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

Questão 87

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

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