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110 Unit 3 Sect B Test

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incorrect
1.
resolution
incorrect
2.
dynamic
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3.
Classic Coherent scattering
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4.
vaccuum
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5.
spot imaging
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6.
density
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7.
Kilovoltage peak (kVp)
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8.
distortion
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9.
mAs formula
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10.
pair production
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11.
OID
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12.
Somatic cell
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13.
absorbtion
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14.
intensifying screen
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15.
primary radiation
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16.
penumbra
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17.
factors affecting recorded detail
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18.
radiopaque
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19.
properties of xrays
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20.
relative speed
A.
greater OID, decreased sharpness
B.
measure of electrical pressure, controls quality/quantity of photons in tube
C.
with motion
D.
fuzzy border
E.
degree of darkening of film
F.
motion, object unsharpness, focal spot size, SID, OID, and material unsharpness
G.
low energy photon absorbed and released with only a change in direction
H.
interaction between matter and photon having 1.02 million electron volts, producing positron and negatron
I.
tube housing
J.
misrepresentation of true size of object
K.
not easily penetrable by xrays
L.
all of body's cells except germ cells
M.
luminescent crystals inside cassette to expose film
N.
mA x time = mAs
O.
measurement of recorded detail on radiograph, aka sharpness of detail, definition
P.
beam before hitting object
Q.
flouroscopy unit changes to radiographic mode
R.
speed of film and intensifying screen, slow film, sharper image and more radiation
S.
penetrating electromagnetic waves, heterogenous(many energies), polyenergetic, travels in straight lines, can't be focused, electronically neutral, produce scatter, ionize gasses, cause biological change
T.
transfers energy
Type the Answer that corresponds to the displayed Question.
incorrect
21.
inverse square law formula
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22.
Positive Beam Limitation (PBL)
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23.
static
Type the Question that corresponds to the displayed Answer.
incorrect
24.
magnification
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25.
nuclear power, xrays, ect. we get approx. 65mrem/yr
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26.
modified beam before entering patient
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27.
beam energy reduced when passing through tissue/material
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28.
formula desribing relationship betwwen intensity and distance
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29.
photon strikes inner shell electron ejecting it and absorbing photons energy, most harmful to patient
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30.
negative electrode, filament

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