fundamentals of xray test 1
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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| who discovered x-rays | show 🗑
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| show | November 8, 1895
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| where were x-rays discovered | show 🗑
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| what does ASRT stand for | show 🗑
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| what does ARRT stand for | show 🗑
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| what does JRCERT stand for | show 🗑
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| show | Registered Technologist in Radiography
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| what does ALARA stand for | show 🗑
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| what is the function of the JRCERT | show 🗑
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| show | it is the national certification and registration agency for registered technologist
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| show | accredits health care organizations
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| show | national professional association for radiologic technologist.
-professional curriculum
-practice standards(scope of practice)
-position statements
-professional development and advancement
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| show | they license technologist and our equipment
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| show | anything that occupies space and has shape or form. 3 sates of matter:
-gas
-liquid
-solid
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| energy | show 🗑
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| radiograph | show 🗑
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| show | path of the central ray(CR)
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| show | what the image receptor(IR) sees
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| position | show 🗑
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| show | gain or loss of an electron
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| atomic #(Z#) | show 🗑
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| show | # of protons + # of neutrons
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| show | same atomic #, but different atomic mass
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| photon | show 🗑
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| kinetic energy | show 🗑
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| show | stored energy
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| show | -electromagnetic energy(photon) -polyenergetic and heterogenous(many wavelengths)
-travel at speed of light in a vacum(3 x 10 to the 8th power m/s) -emission of light
-ionize matter, produce secondary and scatter radiation
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| show | -flat
-shaped
-shadow
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| show | film is exposed to get dose reading
-<10 mRem= M
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| osl | show 🗑
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| tld | show 🗑
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| show | -time- as short as possible
-distance- as long as possible
-shielding- lead(88 k-shell binding)
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| show | -mA
-kVp
-time
-SID
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| mA | show 🗑
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| show | -killovolts peak(kVp
-beam quality
-controls: contrast,higher kVp for more penetration, but you must lower mA so there is less quantity
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| show | exposure time
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| SID | show 🗑
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| show | 1. source of electrons(thermionic emission from filament)
2. focusing cup focuses electron stream
3. circuit is closed creating potential difference. excess electrons flow to target
4. something must stop or break the beams path. thermal and xrays em
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| describe the primary barrier in walls | show 🗑
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| show | from the top of primary barrier to the ceiling(with 1/2" overlap) there should be 1/32" lead(Pb) equivalent, and this protects those outside room from scatter and leakage
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| show | .5mm of lead for aprons and .25 mm for all all other apparel
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| show | .25 mm lead
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| show | -pt of child bearing age(0-55)
-does not cover area of interest
-gonads lie within or close proximity(5cm)of beams central ray
-do not shield and do sloppy work
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| show | angstroms
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| what is the unit of measurement for frequency | show 🗑
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| show | joules
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| show | the distance from peak to peak in a wave form
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| what is frequency | show 🗑
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| show | 2n squared
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| where is the highest energy compton scatter | show 🗑
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| show | at 180 degrees
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| show | photoelectric absorbtion
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| what is penetration | show 🗑
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| show | 100
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| show | .001(1/1000)
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| sV is equal to what | show 🗑
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| show | exposure in air of x or gamma (skin dose to pt)
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| Gray(RAD) | show 🗑
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| Sievert(REM) | show 🗑
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| show | -50 mSv(5rem) whole body
-150 mSv(15 rem) eye
-500 mSv(50 rem) hands feet and other organsf
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| what are the dose limits for a fetus | show 🗑
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| what are the non-occupational dose limits for one year | show 🗑
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| show | 250 mSv(25 rem)
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| show | 1 x age(dose limit not reached goes into your rem bank)
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| wavelength, energy and frequency have what kind of relationship | show 🗑
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| show | florida society of radiologic technologist
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| ACR | show 🗑
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Created by:
bigad1982
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