CT Registry Review Test Questions Solved 100% Correct Answers
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Course
CT Registry
Institution
CT Registry
A CT gantry includes all of the following components except:
a. collimators.
b. detectors.
c. central processing unit.
d. bow tie filters. - Answer central processing unit
CT Registry Review Test Questions Solved
100% Correct Answers
A CT gantry includes all of the following components except:
a. collimators.
b. detectors.
c. central processing unit.
d. bow tie filters. - Answer central processing unit
Increased kVp means - Answer increased penetration of material
CT operator - Answer controls by selecting the energy level and the quantity of xrays
xray photon - Answer discrete bundle of energy
xray photon flux - Answer equals the rate at which xray photons pass through a given
unit of tissue over a given unit of time
xray photon - Answer the photon can pass through the detector unmeasured and the
measured signal is enhanced by an amplifier
Scatter radiation - Answer Radiation that is deflected from its original trajectory of an
photon through the patient.
DICOM - Answer Digital imaging and communications in medicine, a standard protocol
used for blending a picture archiving and communications system and various imaging
modalities, viewing stations, and printers
, Heat builds up in the ct tube - Answer caused by collision of the electron beam with the
tungsten target on the tube anode
Helical Imaging - Answer _________ is well suited for 3D rendering because there is
minimal misregistration or gaps.
Continuous rotating CT systems, which were introduced in ____ by ____ and _____
medical systems were based on new "slip ring technology". - Answer
Continuous rotation of the CT x-ray tube and detector array, with simultaneous
movement of the CT couch, has been accomplished through implementation of
A. additional cables.
B. slip rings.
C. multiple rows of detectors.
D. electron beam CT. - Answer slip rings
In helical imaging, the path of the x-ray beam is determined by the thickness of the
_______ ________ and the speed of the _________ _______. - Answer
The patient table:
a. may move continuously during the scan
b. can never be positioned automatically by software due to safety precautions
c. remains stationary throughout the patient exam once
it is initially positioned
d. only moves after each slice is completed - Answer may move continuously during the
scan
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