CT Registry Review (MIC) (2025) comprehensive
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In order for an x-ray 1,2,3
photon to be measured it
must:
1. enter the detector
chamber
2. be absorbed by the
detector material
3. be converted to a
measurable event
Which system analog-to-digital converter
component converts the
projection attenuation
data into the proper
digital form for the array
processor?
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,3/29/25, 11:51 AM CT Registry Review (MIC) (2025) comprehensive questions and verified detailed solutions ( MULTIPLE CHOICES) |100% CO…
Which of the following is reconstruction of the image from raw data
NOT a function of a PACS
system?
a. reconstruction of the
image from the raw data
b. long term data storage
c. digital distribution of
images
d. image display for the
radiologist
Which of the following is collimator
not part of the CT tube?
a. tungsten target
b. collimator
c. rotating anode
d. filament
Which of the following is 1,2,3
FALSE regarding CT
systems?
1. they are limited to
nonoblique transverse
scanning
2. they cannot generate a
straight coronal or
sagittal image
3. hey have no moving
parts
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,3/29/25, 11:51 AM CT Registry Review (MIC) (2025) comprehensive questions and verified detailed solutions ( MULTIPLE CHOICES) |100% CO…
Xrays are used in CT C
because:
a. they are easily
produced by the high
frequency generator
b. they are less harmful
than the heating effects
of microwave radiation
c. they penetrate the
body according to
specific attenuation
characteristics of each
tissue
d. the FDA imposes no
limit on the dose to the
patient
Most of the commands operators console
from the technologists
are received by the:
Xrays are produced The electron loses kinetic energy which is
whenever fast moving converted into the emission of an x-ray photon
electrons collide with any
form of matter because:
The mA determines the: quantity of x-ray photons
Which of the following is array processor
a component NOT
normally located in the
gantry of a modern CT
system?
Tube interscan delay time the time between the end of one scan and the start
refers to: of the next scan during which the tube will cool
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, 3/29/25, 11:51 AM CT Registry Review (MIC) (2025) comprehensive questions and verified detailed solutions ( MULTIPLE CHOICES) |100% CO…
Increased _______ will 1
increase the likelihood
that a given x-ray will
penetrate a material
1. kV
2. mA
3. exposure time
Which of the following 1,2
are NOT commonly used
on today's commercially
available CT scanners?
1. xenon detectors
2. fourth-generation
technology
3. continous rotation
technology
Which of the following 2
statements is FALSE
regarding occurrences
after an x-ray photon
penetrates the detector
aperture?
1. the photon can pass
through the detector
unmeasured
2. the photon is
converted completely
into a electron
3. the measured signal in
enhanced by an amplifier
Scatter radiation is deflections from the original trajectory of an x-ray
caused by: photon through the patient
What control does the the energy level and the quantity of x-rays can be
operator have over the x- selected
rays in a CT exam?
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