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CT registry review Test

Enter the letter for the matching Answer
incorrect
1.
What is an array processor responsible for?
incorrect
2.
What is quantom noise related to?
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3.
Why is important to scan the supraclavicular region through the adrenal glands for CT of the chest?
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4.
What type of CM is utilized for a biopsy of the pancreas?
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5.
The Seminal vessicles are located?
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6.
What is partial volume averaging?
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7.
What artifact is commonly found between the petrous ridge and brain tissue and is cuased by x-ray penetrating bone and traveling over soft tissue?
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8.
What is the disadvantage of spiral scanning?
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9.
How does the couch and tube move during a spiral/helical examination?
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10.
Why is intravenous contrast used for spine CT?
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11.
What causes a streak artifact generally found between the fundus and body of stomach?
A.
number of detected photons
B.
blooming of the effective slice thickness (ie thicker slices than the operator selected 10mm actually 12.5mm) Increased Partial volume averaging, Icreased Image noise do interpolation algorithems involved in the reconstruction process.
C.
Beam Hardening or cupping
D.
Oral water soluble iodinated (no barium for any biopsies)
E.
poaterior to the bladder, anterior to the rectum, superior to the prostate gland.
F.
differentiate between scar tissue and herniated pulpous material.
G.
Two oe more tissue types types contained in one pixel can give ROI reading of (average) pixel values (wrong ct Nnumber)
H.
Air-Contrast interface or edge gradient
I.
Lung mets spread to adrenals and vice-versa
J.
arrithmetic computing for imaging reconstruction
K.
continously, at the same time
Type the Answer that corresponds to the displayed Question.
incorrect
12.
What type of artifact is caused by Metal
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13.
What is the normal creatine range?
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14.
What is the appropriate IV contrast dosage in cc/kg?
Type the Question that corresponds to the displayed Answer.
incorrect
15.
table movement/slice thickness
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16.
Diatrizoate----Metrizoate--- Ioxaglate
incorrect
17.
Iopamidol------------Iohexol

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