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[Show more]The activity of a radioactive source 
The term "Curie" defines: 
a. The exposure of a radioactive source 
b. The intensity of a radioactive source 
c. The activity of a radioactive source 
d. The output of a radioactive source 
 
 
 
Reddening of the skin, loss of hair, blistering 
Which of the fo...
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Add to cartThe activity of a radioactive source 
The term "Curie" defines: 
a. The exposure of a radioactive source 
b. The intensity of a radioactive source 
c. The activity of a radioactive source 
d. The output of a radioactive source 
 
 
 
Reddening of the skin, loss of hair, blistering 
Which of the fo...
CHAPTER 1 
 
D. All the above 
1. In the early years of Radiography, what caused personnel to be overexposed? 
 
A. Poor equipment design 
B. Lack of understanding 
C. Lack of and poor safety practices 
D. All the above 
 
 
 
D. Late in 1898 
2. In what year did Marie Curie discover Radium? 
 
A. T...
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Add to cartCHAPTER 1 
 
D. All the above 
1. In the early years of Radiography, what caused personnel to be overexposed? 
 
A. Poor equipment design 
B. Lack of understanding 
C. Lack of and poor safety practices 
D. All the above 
 
 
 
D. Late in 1898 
2. In what year did Marie Curie discover Radium? 
 
A. T...
what particles make up particulate radiation 
Beta (e-) and alpha partciles 
 
 
 
atomic mass-atomic number= 
number of neutrons 
 
 
 
what is the atomic mass 
neutrons plus protons ( A number) 
 
 
 
what is the atomic number 
number of protons (Z number) 
 
 
 
what are the two types of gamma so...
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Add to cartwhat particles make up particulate radiation 
Beta (e-) and alpha partciles 
 
 
 
atomic mass-atomic number= 
number of neutrons 
 
 
 
what is the atomic mass 
neutrons plus protons ( A number) 
 
 
 
what is the atomic number 
number of protons (Z number) 
 
 
 
what are the two types of gamma so...
High speed electrons are introduced from the cathode and strike the anode within a vacuum sealed envelope 
X-radiation is produced when a supply of 
 
 
 
particulate and electromagnetic 
What are the two basic types of ionizing radiation? 
 
 
 
at the speed of light without regard to pressure, tem...
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Add to cartHigh speed electrons are introduced from the cathode and strike the anode within a vacuum sealed envelope 
X-radiation is produced when a supply of 
 
 
 
particulate and electromagnetic 
What are the two basic types of ionizing radiation? 
 
 
 
at the speed of light without regard to pressure, tem...
Overexposures to personnel can result in what? 
- Cancer 
- Genetic defects carried into further generations 
- Death 
 
 
 
T or F: All radiation exposures are equally serious and can result in death. 
False 
 
 
 
When ionizing radiation passes through the entire body, damage can occur to what? 
-...
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Add to cartOverexposures to personnel can result in what? 
- Cancer 
- Genetic defects carried into further generations 
- Death 
 
 
 
T or F: All radiation exposures are equally serious and can result in death. 
False 
 
 
 
When ionizing radiation passes through the entire body, damage can occur to what? 
-...
In the early years of radiography, what caused personnel to be overexposed? 
A. poor equipment design 
B. Lack of understanding 
C. A lack of and poor safety practices 
D. All of the above 
D. All of the Above 
 
 
 
The ultimate responsibility to adhere to the regulations, license conditions, and c...
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Add to cartIn the early years of radiography, what caused personnel to be overexposed? 
A. poor equipment design 
B. Lack of understanding 
C. A lack of and poor safety practices 
D. All of the above 
D. All of the Above 
 
 
 
The ultimate responsibility to adhere to the regulations, license conditions, and c...
52. A radiation area is defined as "an area accessible to individuals, in which they could receive 
R. 2 mR/h (20 uSv/h) 
b. 5 (50 uSv/h) 
c. 50 mR/h (500 uSv/h) 
d. 100 mR/h (1000 uSv/h) 
b. 5 (50 uSv/h) 
 
 
 
53. A high radiation area is defined as "an area accessible to individuals, in which t...
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Add to cart52. A radiation area is defined as "an area accessible to individuals, in which they could receive 
R. 2 mR/h (20 uSv/h) 
b. 5 (50 uSv/h) 
c. 50 mR/h (500 uSv/h) 
d. 100 mR/h (1000 uSv/h) 
b. 5 (50 uSv/h) 
 
 
 
53. A high radiation area is defined as "an area accessible to individuals, in which t...
Specific emission Constant for Co60 is? 
14R/Hr/ci @ 1ft 
 
 
 
Specific emission Constant for Ir192 is? 
5.2 R/Hr/ci @ 1ft 
 
 
 
What is the Half Life for Ir192? 
74 days 
 
 
 
What is the Half life for co60 ? 
5.3 years 
 
 
 
In the beginning of Radiography, Wilhelm Conrad Rontgen scientist won...
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Add to cartSpecific emission Constant for Co60 is? 
14R/Hr/ci @ 1ft 
 
 
 
Specific emission Constant for Ir192 is? 
5.2 R/Hr/ci @ 1ft 
 
 
 
What is the Half Life for Ir192? 
74 days 
 
 
 
What is the Half life for co60 ? 
5.3 years 
 
 
 
In the beginning of Radiography, Wilhelm Conrad Rontgen scientist won...
Registered Retirement Savings Plan (RRSP) 
Investment vehicle where investor can contribute without being taxed on investment income or capital gains. 
Contributions are tax deductible 
Money borrowed to invest is not tax deductible. Withdrawals are taxable at marginal tax rate 
 
 
 
Contributions ...
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Add to cartRegistered Retirement Savings Plan (RRSP) 
Investment vehicle where investor can contribute without being taxed on investment income or capital gains. 
Contributions are tax deductible 
Money borrowed to invest is not tax deductible. Withdrawals are taxable at marginal tax rate 
 
 
 
Contributions ...
Types of income 
1. Employment (taxed on gross receipt basis) 
2. Capital/Property Income (stocks, bonds, mutual funds.. dividends and interest) 
3. Business Income (from rendered services) 
4. Capital gains and losses 
 
 
 
Calculating Income Tax Payable 
On first 43,561 x 15% 
On portion over 43,...
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Add to cartTypes of income 
1. Employment (taxed on gross receipt basis) 
2. Capital/Property Income (stocks, bonds, mutual funds.. dividends and interest) 
3. Business Income (from rendered services) 
4. Capital gains and losses 
 
 
 
Calculating Income Tax Payable 
On first 43,561 x 15% 
On portion over 43,...
As a source is retracted into the shielded position from a collimated exposure, the survey meter measurement should? 
Increase, then decrease 
 
 
 
The term used to express the number of curies of radioactivity per unit of source weight is? 
Specific Activity 
 
 
 
The best means to reduce exposur...
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Add to cartAs a source is retracted into the shielded position from a collimated exposure, the survey meter measurement should? 
Increase, then decrease 
 
 
 
The term used to express the number of curies of radioactivity per unit of source weight is? 
Specific Activity 
 
 
 
The best means to reduce exposur...
Radiation absorbed does (rad) 
In 1956, the rad was established to measure the amount of radiation absorbed by a medium. 
 
 
 
Radiation dose 
The amount of radiation absorbed by the tissue. The dose is always less than the exposure. Dose affected by intensity of exposure, duration of exposure, and...
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Add to cartRadiation absorbed does (rad) 
In 1956, the rad was established to measure the amount of radiation absorbed by a medium. 
 
 
 
Radiation dose 
The amount of radiation absorbed by the tissue. The dose is always less than the exposure. Dose affected by intensity of exposure, duration of exposure, and...
Who discovered X-Rays? 
Wilhelm Rontgen 
 
 
 
Who discovered radioactivity? 
Henri Bequerel 
 
 
 
Who coined the name "Radioactivity?" 
Marie & Pierre Curie 
 
 
 
Who discovered alpha particles, beta particles, and gamma rays? 
Ernest Rutherford 
 
 
 
In early radiography, what was the limit t...
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Add to cartWho discovered X-Rays? 
Wilhelm Rontgen 
 
 
 
Who discovered radioactivity? 
Henri Bequerel 
 
 
 
Who coined the name "Radioactivity?" 
Marie & Pierre Curie 
 
 
 
Who discovered alpha particles, beta particles, and gamma rays? 
Ernest Rutherford 
 
 
 
In early radiography, what was the limit t...
Particulate Radiation 
Particles that have a mass, a charge, and emit radiation. 
Ex: Alpha & Beta particles 
 
 
 
Electromagnetic Radiation 
Has no mass, no charge, and emits radiation. 
Ex: Gamma Rays & X-Rays 
 
 
 
How fast does wavelike radiation travel? 
The speed of light; 186,000 miles/sec ...
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Add to cartParticulate Radiation 
Particles that have a mass, a charge, and emit radiation. 
Ex: Alpha & Beta particles 
 
 
 
Electromagnetic Radiation 
Has no mass, no charge, and emits radiation. 
Ex: Gamma Rays & X-Rays 
 
 
 
How fast does wavelike radiation travel? 
The speed of light; 186,000 miles/sec ...
1. The radiographer's main responsibility is to: 
implement safety procedures. 
 
 
 
One cause of overexposures is: 
making proper radiation surveys. 
 
 
 
Who discovered X-rays? 
Wilhelm Roentgen in 1895 
 
 
 
Who discovered radioactivity? 
Pierre Curie 
 
 
 
When were X-rays discovered? 
Nove...
Preview 1 out of 2 pages
Add to cart1. The radiographer's main responsibility is to: 
implement safety procedures. 
 
 
 
One cause of overexposures is: 
making proper radiation surveys. 
 
 
 
Who discovered X-rays? 
Wilhelm Roentgen in 1895 
 
 
 
Who discovered radioactivity? 
Pierre Curie 
 
 
 
When were X-rays discovered? 
Nove...
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