Final Exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| occupational exposure | show 🗑
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| late somatic effects | show 🗑
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| roentgen | show 🗑
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| rad | show 🗑
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| rad | show 🗑
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| Medical exposure | show 🗑
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| show | Radiation from natural sources; includes all exposures not classified as either medical or occupational.
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| show | A colorless, odorless, chemically inert, heavy radioactive gas; a decay product of uranium.
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| show | A measurement that accounts for both the exposure and the area of the beam falling on the body of the individual who is being exposed.
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| absorbed dose | show 🗑
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| show | SI unit for absorbed dose; named for Louis Harold Gray, a British radiobiologist; equal to 100 rads.
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| show | The dose measurement that reflects the type and energy of an ionizing radiation, resulting in a measurement of the effective absorbed dose; expressed as sieverts in SI units or as rems in traditional units.
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| sievert (Sv) | show 🗑
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| quality factor | show 🗑
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| linear energy transfer (LET) | show 🗑
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| show | A value developed by the ICRP and adopted for use in the United States by the NCRP; assigns a relative risk factor for biologic responses associated with irradiation of different body tissues.
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| effective dose | show 🗑
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| show | The assumption that a response to radiation exposure will occur at any dose, as in a nonthreshold dose-response relationship.
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| show | Nonthreshold, randomly occurring biologic somatic changes in which the likelihood is proportional to the dose of ionizing radiation.
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| deterministic effects | show 🗑
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| show | A point at which a biologic response to radiation first occurs, as in a threshold radiation dose-response relationship.
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| show | Total effective dose equivalent; a radiation protection term that specifies the maximum allowable total accumulated dose.
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| show | The concept of radiation protection requiring that radiation exposure be kept as low as reasonably achievable.
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| show | A personnel monitoring device that uses radiation dosimetry film in a lightweight plastic film holder containing filters of aluminum or copper to measure whole-body radiation accumulated at a low rate over a long time (usually 1 month).
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| thermoluminescent dosimeters (TLDs) | show 🗑
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| optically stimulated luminescence dosimeters (OSLs) | show 🗑
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| show | When exposed to x-rays, the lithium fluoride molecules absorb energy and store it in excited electrons in the crystalline lattice. When the lithium fluoride is heated, the electrons, which were excited, return to their former electron shell.
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| show | Personnel monitoring device that uses aluminum oxide as a sensing material to measure radiation
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| show | One of the two primary types of radiation survey instruments; uses a gas-filled chamber to measure radiation; capable of measuring the total quantity of electrical charge produced by the ionized gas or the rate at which the electrical charge is produced.
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| scintillation detectors | show 🗑
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| show | The nickname for an ionization chamber type of gas-filled radiation detector; one of the two primary types of gas-filled radiation detectors.
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| show | One of the two primary types of gas-filled radiation detectors; detects individual radioactive particles or photons; often used in nuclear medicine facilities.
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| show | A type of gas-filled radiation survey instrument used in laboratory settings to detect alpha and beta radiation.
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| Scintillation detectors | show 🗑
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