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53 Cards in this Set
- Front
- Back
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Types of radiation everyone is exposed to? |
A. Natural environmental B. Background radiation C. Human radiation D. All of the above |
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The amount of radiation we receive depends on where we live. |
True |
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Which of the following is considered human made radiation? |
A. Nuclear weapons B. Industrial Radiation material C. Medical/Dental X-rays D. All of the above |
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Symbol R stands for? |
A. Rad B. Rem C. Roentgen D. Curie |
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Measurement for R is measured in? |
A. Air B. Occupational C. Patient dose D. Radioactive Materail |
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For R quantity is classified under what? |
A. Absorbed Dose B. Dose equivalent C. Exposure D. Activity |
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Symbol rad stands for? |
A. Rem
B. Rad C. Roentgen D. Curie |
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Measurement for rad is measured in?
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A. Patient Dose
B. Occupational C. Air D. Radioactive Materail |
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For rad quantity is classified under what?
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A. Absorbed Dose
B. Dose equivalent C. Exposure D. Activity |
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Symbol rem stands for?
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A. Curie
B. Rem C. Roentgen D. RAD |
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Measurement for rem is measured in?
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A. Air
B. Occupational C. Patient dose D. Radioactive Materail |
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For rem quantity is classified under what?
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A. Activity
B. Dose equivalent C. Exposure D. Absorbed dose |
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Symbol Ci stands for? |
A. Rad
B. Rem C. Roentgen D. Curie |
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Measurement for Ci is measured in?
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A. Radioactive material
B. Occupational C. Patient dose D. Air |
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For Ci quantity is classified under what?
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A. Activity
B. Dose equivalent C. Exposure D. Absorbed dose |
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SI unit for Roentgen (R)? |
A. Gray (gy) B. Coulomb per kg (C/kg) C. Becquerel (Bq) D. Sievert (Sv) |
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SI unit for rad (rad)? |
A. Gray (gy)
B. Coulomb per kg (C/kg) C. Becquerel (Bq) D. Sievert (Sv) |
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SI unit for rem (rem)? |
A. Sievert (Sv)
B. Coulomb per kg (C/kg) C. Becquerel (Bq) D. gray (Gy) |
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SI unit for curie (Ci)? |
A. Becquerel (Bq) B. Coulomb per kg (C/kg) C. Sievert (Sv) D. Gray (Gy) |
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What does A.L.A.R.A stand for? |
As Low As Reasonably Achievable |
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The limit dose of radiation for occupational workers is? |
A. 3 rad per year B. 4 rems per year C. 5 rems per year D. 5 rad per year |
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The limit dose of radiation for the general public? |
A. 5 rems per year B. 0.5 rems per year C. 3 rems per year D. 4 rads per year |
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The limit dose of radiation for students younger than 18 is? |
A. 0.5 rems per year B. 0.1 rems per year C. 1 rem per year D. 2 rems per year |
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What is X-ray? |
Xray is energy photons. |
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What are the 3 main photons interaction? |
1. Photo-electric (Most common) 2. Compton 3. Pair production |
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What does Photo-electric do in photon interaction? |
A. Knocks electrons out B. Creates scatter photons C. Creates Position and negatrons D. None of the above |
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What does the Compton do in photon interaction? |
A. Creates scatter photons
B. Knocks electrons out C. Creates Position and negatrons D. None of the above |
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What does the Pair Production do in photon interaction?
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A. Creates scatter photons
B. Knocks electrons out C. Creates Position and negatrons D. None of the above |
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Internal-Radionuclides is used in? |
A. MRI B. CT C. Nuclear medicines D. Xray |
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What exactly does kV handle? |
A. Quality of X-ray beam B. Quantity/ amount of X-ray beam |
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What does mA handle |
A. Quality of X-ray beam
B. Quantity/ amount of X-ray beam |
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Three principles of ALARA are? |
-Time -Distances -Shielding |
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The minimal total filtration for patient protections is? |
A. 2.5mm @ 70 kvp B. 1.5 mm @ 60 kvp C. 0.5mm @ 50kvp D. 0.2mm @ 55kvp |
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How can a rad tech protect themselves from radiation? |
Stand behind lead wall or use of thyroid shield or apron. |
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The percentage of X-rays done in the united states is said to be how many percent? |
A. 90% B. 80% C. 70% D. 65% |
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The farther the patient are from source the less exposure they will receive. |
True |
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Patient protection rad techs should use |
Avoid Error Avoid Repeat (#1 way) Collimate Used high kvp, low mA Use 40' Use fast IR Provide Shielding |
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what does collimating do? |
A. Reduces scatter B. More exposure C. Increase scatter D. Clear distortion |
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The atomic number for LEAD is? |
A. 40 B. 82 C. 80 D. 75 |
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When use 100-125kvp what is the amount of lead should be used? |
A. 2.0mm B. 1.5mm C. 1.3mm D. 1.8mm |
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What is the amount of mm lead should be used for aprons, gloves, gonad shield? |
A. 0.5 B. 0.05 C. 0.3 D. 0.1 |
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What is the amount of mm lead should be used for Pregnant patients ?
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A. 0.5
B. 0.05 C. 0.3 D. 0.1 |
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Safest area for a tech to be while radiation is being used? |
Behind lead wall |
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What are the type of shields? |
Shadow Shape Contact |
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As a student you should never be asked to hold an IR? |
True |
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What area on you is the best place for a OSL/TLO badge to be used? |
A. In your pocket B. At the collar outside lead apron |
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You should never use same OSL/TLO badge if you came from working at another facility. |
True |
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The greatest risk is at first trimester |
True |
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The limit dose for pregnant radiologist is how many mSv over the 9 months? |
A. 10 mSv B. 50 mSv C. 30 mSv D. 15 mSv |
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When was the bomb dropped on hiroshima japan? |
A. August.6, 1945 B. November.6, 1895 C. August.6, 1845 D. August.9, 1945 |
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When was the bomb dropped on nagasaki japan |
A. August.6, 1945
B. November.6, 1895 C. August.6, 1845 D. August.9, 1945 |
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How many people was estimated to be dead in the hiroshima bombing? |
A. 10,000 B. 12,000 C. 140,000 D 70,000 |
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how many people was estimated to be dead in the hiroshima bombing? |
A. 10,000
B. 12,000 C. 140,000 D 70,000 |
