Certification Review
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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| what is the function of the uppermost collimator shutter? | show 🗑
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| the radiographer wears a lead apron to protect from what type of radiation? | show 🗑
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| when trying to determine effective dose, what is used to account for the differences in the tissues that were irradiated? | show 🗑
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| what is an x-ray photon's original intensity at 1 meter from the scattering object? | show 🗑
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| show | controlled area
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| areas occupied by anyone | show 🗑
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| occupancy factor | show 🗑
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| workload | show 🗑
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| show | the percentage of time the primary beam is directed at a particular barrier
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| show | 1/16 inch lead thickness and 7 feet high
- lead walls and doors of the room
- any surface that can be struck by the primary beam
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| show | 1/32 inch lead thickness and must overlap primary by 1/2 inch
- includes control booth
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| show | when there is a chance to receive more than 10% of the annual dose (50mSv); 5 mSv
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| show | does NOT
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| what kind of abnormalities can occur if the fetus is irradiated during the first trimester, specifically between weeks 2-10? | show 🗑
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| what unit of measurement expresses the ionizing radiation dose to biologic material? | show 🗑
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| show | beta, x-rays, and gamma rays
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| show | cleaved chromosomes, cross-linking, and mutations
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| what dose curve response would leukemia and genetic effects fall under? | show 🗑
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| show | late effects where dose is related and there is no threshold responsee
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| what tissue absorbs the largest amount of radiation? | show 🗑
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| what interaction contributes significantly to patient dose? | show 🗑
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| show | the beam quality
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| what is the effect on RBE as LET increases? | show 🗑
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| show | equal doses of radiation that are delivered with time interval separations
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| protraction | show 🗑
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| apoptosis | show 🗑
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| show | radiation interaction with water
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| show | 1. hemopoietic syndrome
2. gastrointestinal syndrome
3. cerebrovascular syndrome
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| hemopoietic syndrome | show 🗑
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| gastrointestinal syndrome | show 🗑
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| show | - over 5000 rads (50 Gy)
- death occurs within hours or days following exposure
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| show | 1. source of free electrons
2. acceleration of electrons
3. focusing of electrons
4. deceleration of electrons
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| what interaction has a continuous energy spectrum? | show 🗑
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| what interaction has a discrete energy spectrum | show 🗑
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| what are the 7 types of interactions? | show 🗑
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| show | - Bremsstrahlung
- Characteristic
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| what three interactions occur at the patient? | show 🗑
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| show | - Pair Production (nuclear medicine)
- Photodisintergration
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| what are the traditional units? | show 🗑
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| show | - gray
- sievert
- columb/kg
- becquerel
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| show | defines the ability of aerobic conditions to enhance the effectiveness of radiation
-- increasing the oxygenation, increase the cell's radiosensitivity
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| show | defines the ability to produce biologic damage
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| what does your back-up timer need to be set to for an AEC? | show 🗑
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| show | aprons: 0.5 mm Pb
gloves: 0.25 mm Pb
thyroid shield: 0.5 mm Pb
glasses: 0.35 mm Pb
bucky slot cover: 0.25 mm Pb
lead curtains: 0.25 mm Pb
overhead plastic barrier: 0.5 mm Pb
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| show | 10R/minute or 2.1 R/minute for each mA at 80 kVp
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| what material is used in a thermoluminescent dosimeter (TLD)? | show 🗑
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| pocket dosimeter | show 🗑
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| the opically stimulated luminescent dosimeter (OLD) uses what material? | show 🗑
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| show | - annual whole body: 50mSv (5 rem)
- lens of the eye: 150 mSv (15 rem)
- red bone marrow, breast, lung, gonads, skin, and extremities: 500 mSv (50 rem)
- cumulative effect limit: 10mSv x age in years (1 rem x age in years)
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| show | - annual effect dose: 5 mSv (0.5 rem)
- lens of the eye, skin, and extremities: 50 mSv (5 rem)
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| show | 5 mSv (0.5 rem) for the entire gestational period, maximum of 0.5 mSv (0.05 rem) per month
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| what are the fundamental properties of x-rays? | show 🗑
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| show | compton scatter
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
fbarnett20
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