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b7854776_lashcards_about_Tongue_Coating__Question
[Answer] Dampness in the Spleen [Question]
White in center, gray and black around
[]
Flashcards about Tongue Coating
Question
http://www.studystack.com/flashcard-259456
15/1438042989507.42_20150728002309-00128-ip-10-236-191-2_742866111_3.json
b7854776_lashcards_about_Tongue_Coating__Question
[Answer] Damp-heat with injured fluids [Question]
Yellow in the center, gray around
[]
Flashcards about Tongue Coating
Question
http://www.studystack.com/flashcard-259456
15/1438042989507.42_20150728002309-00128-ip-10-236-191-2_742866111_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the # of protons in the nucleus? [Answer]
atomic # (Z)
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the electron binding energy? [Answer]
The force in which an electron is are held in their orbital shells
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the strength of the binding energy dependent upon? [Answer]
Location (closeness to nucleus) & complexity of atom (higher Z #)
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] When electrons are sent from the cathode to the anode what 3 things take place? [Answer]
anode heat, bremsstrahlung radiation, & characteristic radiation
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As the electrons from the cathode strike the anode, only the ___ ___ electrons on the anode get excited & drop back into place, thus the target is not ___. [Answer]
outer shell ; ionized.
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How much of the projected electron is converted to heat? [Answer]
99%
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How much of the projected electron is converted to xray? [Answer]
1%
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] When is characteristic xrays produced? [Answer]
When the projectiled electron interacts with an inner shell electron of the atom.
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How is the xray emitted in characteristic rays? [Answer]
As the inner (K) shell electron is knocked out, an outer (L) shell electron fills its place (cascade effect)an xray photon is then created that is eaual in power to the difference in binding energy between the 2 shells.
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Is characteristic xrays homo or hetero geneous? And why? [Answer]
Homogeneous, all photons have same energy
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How is xrays emitted in Brems rays? [Answer]
The projectiled electron passes completely thru orbital electrons, slows from force field of nucleus and changes direction and the energy the photon loses is relaeased as an xray.
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Is brems hetero or homo geneous? [Answer]
heterogeneous
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What are most xrays? [Answer]
Brems
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What kind of radiation do characterisitic and brems emit? [Answer]
primary radiation
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As kV goes up what does brems and characteristic do? [Answer]
Brems down; charac up
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Define prime factors [Answer]
Factors affecting xray emission under direct control of the radiographer
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What are the 3 prime factors? [Answer]
mAs, kV, & distance
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is quantity? [Answer]
Measure of # of photons in the beam.
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is quantity also known as? [Answer]
Output, intensity, exposure, & density
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the unit of measurement for quantity? [Answer]
roentgen
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What factors directly affect quantity? [Answer]
mAs, kV, distance, & filtration
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the measurement of an xray tubes current? [Answer]
mAs
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Is mA directly proportional to tube current? [Answer]
yes
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the primary controller of film density? [Answer]
mAs
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Increasing kV will cause an increase in the ____ & ____ of the electrons applied across the tube. [Answer]
speed & energy
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How does kV affect the quantity? [Answer]
more interactions occur at the target when kV is increased
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How does kV affect the quality? [Answer]
each electron has more energy (greater penetrability)
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What does kV determine? [Answer]
penetrating ability
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As kV increases, the wavelength _____ and xrays become ______ penetrating. [Answer]
decreses; more
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What formula do you use to describe the relationship between distance and quantity? [Answer]
Inverses Square Law
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As distance increases, intensity _____, and exposure to the IR ______. [Answer]
decreases; decreases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What formula is used to compensate for film density changes when distance is changed? [Answer]
Exposure Maintenance Formula (direct square law)
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is xray emission spectrum? [Answer]
The photons in an xray beam seperated according to their energy.
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Which way is the energy, curve, and quantity higher in the spectrum? [Answer]
Right
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What are the 4 image quality factors? [Answer]
contrast, density, detail, and distortion
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Define density [Answer]
the degree of blackening on a film
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] When deciding between the film being too dark or too light which is better? [Answer]
dark
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] what is the reciprocity law? [Answer]
any combo of mA and time will produce the same mAs will produce the same destiny mAs=mAs ex. 1x12=12 3x4=12
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the minimum change necessary to have any effect on density? [Answer]
shift mAs by 30%
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As mAs increases, density _____. [Answer]
increases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How does kV affect density? [Answer]
when the potential difference is higher, the electrons strike the anode in greater numbers and with greater energy thus producing more xrays
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What rule is used in density when using kV? And explain it. [Answer]
an increase in kV bt 15% (keeping all other factors the same) will double density and a 15% decrease will half the density
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Explain anode heel affect [Answer]
intensity of the beam is greater at the cathode
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Where should the greater tissue density be laced in relation to the tube? [Answer]
under cathode
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is another name for the exposure maintenance law? [Answer]
New mAs Law
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Define the NML [Answer]
If u increase your distance, you must increase your exposure factors to maintain the same density (exposure)
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the NML formula? [Answer]
mAs1=(D1)2 ---------- mAs2=(D2)2
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Define Inverse Square Law [Answer]
The intensity of the beam is inversely proportional to the square distance
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the inverse square law formula? [Answer]
I1=(D2)2 -------- I2=(D1)2
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As filtration increases, density _____. [Answer]
decreases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How does beam restriction affect density? [Answer]
Collimation reduces the total number of photons , this reduces scatter, reducing density on the film
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As tissue thickness increases, density _____. [Answer]
decreases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How do grids affect density? [Answer]
Grids absorb scatter, which would add exposure and density to the IR
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] The higher the grid ratio, the ____ the density [Answer]
less
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How does the IR affect density? [Answer]
the faster the IR speed the more density the IR will receive
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As processing increases, density _____ [Answer]
increases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is contrast? and what controls it? [Answer]
the difference in adjacent densities. Shades of gray to the film. ; kV
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] High contrast=____ kV=___scale [Answer]
low; short
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Low contrast=___kV=___scale [Answer]
high; long
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] which has more shades of gray low or high contrast? [Answer]
Low
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As kV increase, contrast ______ [Answer]
decreases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How does OID affect contrast? [Answer]
As OID increases there is less chance of scatter reaching the IR increasing contrast
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Filtration changes the average energy of the beam which is the same as raising kV which raises the chance for ____ interactions, thus _____ contrast [Answer]
compton; reducing
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Increasing collimation means [Answer]
makes window smaller
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Collimation up= contrast __. [Answer]
up
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] tissue density up= contrast ___. [Answer]
down
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] How do grids help contrast? [Answer]
by removing scatter before it hits the IR
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Grids up= contrast ___. [Answer]
up
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is detail? [Answer]
degree of geometrical sharpness or accuracy of the structural lines actually recorded on the image
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What are other terms also known as detail? [Answer]
definition, sharpness, spatial resolution, recorded detail
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Unit of resolution is... [Answer]
line pairs per millimeter
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] For optimal detail you should... [Answer]
eliminate motion, reduce OID, reduce focal spot size, slower screens, increase SID
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is SOD? [Answer]
subject to object distance
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] SOD + OID = _____ [Answer]
SID
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] SID/SOD= [Answer]
magnification
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As OID decreases, detail _____ [Answer]
increases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As SID decreases, detail ____ [Answer]
decreases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Give an example when you should use a large SID to compensate for a large OID [Answer]
c-spine
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is a sharp shadow around object? [Answer]
umbra
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is an unsharp shadow around onject? [Answer]
penumbra
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As focal spot increases, penumbra increases, detail _____ [Answer]
decreases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As file/screen speed increases, detail _____ [Answer]
decreases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Why use a large focal when always wanting detail? [Answer]
overheating of the filament
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is it called if the total number of incident photons reaching the IR screen are insufficient to activate enough phosphors to emit light over the entire radiograph? [Answer]
quantum mottle
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is quantum mottle caused by? [Answer]
low mAs
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What appearance does quantum mottle produce? [Answer]
grainy
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Why do we perform the wire mesh test? [Answer]
good contact is needed between the film and intensifying screen poor contact makes bad resolution
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What are the 3 types of motion? [Answer]
1.pt motion 2.tube motion 3.excessive grid motion (reciprocating)
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What are 2 kinds of pt motion? [Answer]
1.voluntary 2.involuntary
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Give an example of voluntary motion and how is it best resolved? [Answer]
breathing; communication
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] Give and example of involuntary motion and how is it best maintained? [Answer]
heartbeat; short exposure time and increased mA for more density
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is distortion? [Answer]
misrepresentation of the size or shape of the structures being examined
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] 2 kinds of distortion? [Answer]
size and shape
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] As size magnification decreases, detail ____ [Answer]
increases
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] To minimize size distortion maximize ____ and minimize ______ [Answer]
SID; OID
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is the magnification factor? [Answer]
SID/SOD=M
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is shape distortion? [Answer]
Elongation or foreshortening
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json
fb97a66c_Flashcards_about_RAD_PHYSICS__Answer
[Question] What is elongation caused by? [Answer]
tube angle, or IR improperly aligned
[]
Flashcards about RAD PHYSICS
Answer
http://www.studystack.com/flashcard-175583
15/1438042987552.57_20150728002307-00024-ip-10-236-191-2_724415617_3.json