Exam (elaborations)
310 mod4 QA_QC for the linear accelerator and imaging components pt7 Questions with 100%
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310 mod4 QA_QC for the linear accelerator and imaging components pt7 Questions with 100%
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AlignCubic
Phantom
with
lasers
Image
to
verify
imaging
isocenter
matches
(within
tolerance)
Imaging
QC
-
Daily
Imaging
and
Treatment
Coordinate
Coincidence
Displace
phantom
to
pre-marked
location
(less
than
2cm
from
original
isocenter
in
x,
y
and
z
directions)
Obtain
images
(KV
or
CT)
Compare
images
to
reference
images
(which
are
at
isocenter)
to
re-align
phantom
to
nominal
position.
Compare
couch
shift
to
original
displaced
distance
Make
shift
Check
alignment
in
room
Imaging
QC
-
Daily
Positioning/repositioning
(includes
couch
movement)
0:18
/
0:54 6
Ways
to
Show
Appreciation
for
Your
Child's
Teacher
•
Safety
of
personnel
•
Constancy
of
exposure
to
patients
Particle
Accelerators
QC
-
Cobalt
60
Primary
Focus
Safety
checks
•
Laser
alignment
(2mm
tolerance)
•
ODI
(2mm
tolerance)
Particle
Accelerators
QC
-
Cobalt
60
Daily
Checks
(by
radiation
therapist)
door
interlocks,
radiation
room
monitors,
audiovisual
monitors
(Functional)
Particle
Accelerators
QC
-
Cobalt
60
Daily
Checks
(by
radiation
therapist)
Safety
checks
functionality
of
door
interlocks,
audiovisual
patient
monitors,
treatment
room
area
monitors,
function
of
motion
stops,
and
proton
beam
on
light
Particle
Accelerators
QC
-
Proton
Therapy
Safety:
localization
lasers
(2mm),
snout
alignment,
ODI
(2mm),
beam
line
inspection,
beam
delivery
system
interlocks,
couch
movement,
image
panel
positioning
(1mm)
Particle
Accelerators
QC
-
Proton
Therapy
Mechanical:
beam
output
&
symmetry
(<3%),
checks
of
Bragg
peak
width,
beam
profile,
backup
monitor
constancy
Particle
Accelerators
QC
-
Proton
Therapy
Dosimetry
Analyze
data
based
on
machine
parameters
-
Requires
adequate
training
and
knowledge
of
tolerance
values
Evaluating
and
Reporting
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