RADT 465 Word Scramble
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| Question | Answer |
| What is the annual whole body equivalent dose limit for an occupational worker? | 50 mSv or 5 rem Pg. 148 |
| What is the annual occupational whole body dose equivalent for students under the age of 18? | 1 mSv or 0.1 rem Pg. 148 |
| What is the annual occupational dose equivalent limit for thyroid, skin, and extremities? | 500 mSv or 50 rem Pg. 148 |
| Effects that will not occur below a particular threshold dose and that will increase in severity as time goes on is known as? | Nonstochastic deterministic Pg. 148 |
| Least radiosensitive cells in the human body? | Nerve cells Pg. 149 |
| This type of effect usually occurs with high LET radiations and when ionized occurs at the DNA molecule itself? | Direct effect Pg. 149 |
| This effect occurs when ionization takes place away from the DNA molecule in the cell water? | Indirect effect Pg. 149 |
| Radiation effects that appear days or weeks following exposure (early effects) are in response to high doses of radiation is known to be? | Acute radiation syndrome Pg. 149 |
| This type of dosimeter contains an ionization chamber containing air and a needle read out meter? | Pocket dosimeter Pg. 150 |
| Represents the relative tissue radiosensitivity of irradiated material? | Tissue weighting factor (Wt) Pg. 150 |
| Number assigned to different types of ionizing radiation in order to better determine their effect on tissue? | Radiation weighting factor (Wr) Pg. 150 |
| Relatively low energy photon uses all its energy to eject an inner shell electron, leaving a vacancy? | Photoelectric effect Pg. 150 |
| Low energy photon interacts with an atom, but causes no ionization is known as? | Classic scatter Pg. 151 |
| Another name for classic scatter is known as? | Thompson scatter Pg. 151 |
| What kind of filter is used to decrease patient skin dose by absorbing the low energy photons? | Aluminum filter Pg. 152 |
| Radiation delivered in portions over a period of time is known as? | Fractionated radiation Pg. 153 |
| Unit of exposure often used to express the quantity of ionizations in the air? | Roentgen Pg. 154 |
| Known as dry, or peeling of the skin? | Dry desquamation Pg. 155 |
| Tissues with ______ density absorb more of the x-ray beam? | Greater Pg. 156 |
| Atoms with the same mass number but different atomic number is known as? | Isobars Pg. 156 |
| These atoms have the same number of neutrons but different atomic numbers? | Isotones Pg. 156 |
| These atoms have the same atomic number and mass number? | Isomers Pg. 157 |
| Secondary radiation barriers require which thickness of shielding? | 1/32 Pg. 157 |
| RBE and LET have what kind of effect? | Direct Pg. 161 |
| This term refers to tissue without oxygen? | Anoxic Pg. 165 |
| This term refers to tissue with little oxygen? | Hypoxic Pg. 165 |
Created by:
bspayne93
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