Term
| Define Diagnostic Efficacy |
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Definition
| The degree to which the diagnostic study accurately reveals the presence or absence of disease in the patient while adhering to radiation safety guidelines |
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Term
| What term is synonymous with ALARA? |
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Definition
| Optimization for Radiation Protection (ORP) |
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Term
| What are the 3 cardinal rules for radiation protection? |
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Definition
| time, distance, and shielding |
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Term
| Particulate radiation includes (list of 4): |
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Definition
Alpha particles
Beta particles
Neutrons
Protons |
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Term
| What unit is absorbed dose usually measured in? |
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Definition
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Term
| True or False: Ionizing radiation created by humans for various uses is classified as manmade or artificial radiation. |
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Definition
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Term
| Define peak kilovoltage (kVp) |
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Definition
| highest energy level of photons in the x-ray beam, equal to the highest voltage established across the x-ray tube |
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Term
| List the processes of interaction with matter |
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Definition
1. Coherent scattering
2. Photoelectric absorption
3. Compton scattering
4. Pair Production
5. Photodisintegration |
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Term
| Which 2 processes of interaction with matter are important to diagnostic radiology? |
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Definition
| Compton scattering and photoelectric absorption |
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Term
| When were x-rays discovered? |
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Definition
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Term
| What is the basic unit of electrical charge? |
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Definition
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Term
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Definition
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Term
| What's the purpose of personnel dosimeters? |
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Definition
| It provides a worker's occupational exposure dose by measuring the quantity of ionizing radiation the dosimeter received over a period of time |
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Term
| 4 major classes of organic compounds |
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Definition
| proteins, carbohydrates, lipids, and nucleic acids |
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Term
| What does DNA and RNA stand for? |
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Definition
Deoxyribonucleic acid (DNA)
Ribonucleic acid (RNA) |
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Term
| What are the 4 nitrogenous organic bases in DNA macromolecules? |
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Definition
Adenine (A)
Cytosine (C)
Guanine (G)
Thymine (T) |
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Term
| What is the difference between RNA and DNA? |
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Definition
| RNA performs many different biologic functions and DNA carries the genetic information |
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Term
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Definition
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Term
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Definition
| Relative biologic effectiveness describes the relative capabilities of radiation with differing LETs to produce a biologic reaction |
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Term
| In living systems, what 3 levels are observed when looking at biologic damage stemming from exposure to ionizing radiation? |
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Definition
| Molecular, cellular, and organic systems |
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