The 'CT Registry Review March 2010' quiz assesses knowledge on computed tomography (CT), focusing on technical components like tungsten use in anodes, image noise reduction, and HIPAA compliance. It's designed for professionals updating or testing their understanding of CT imaging principles and patient care regulations.
1 only
2 only
3 only
All of the above
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By a nurse
By a pulse oximeter
Occasionally
Visually and verbally
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A nose ring
Earrings
Eyeglasses
A belt
Aerating
Heating
Shaking
Stirring
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If it is in plain sight on the CT console and the employee has already seen it
Only if it is needed to do their job
If the employee is related to the patient
To joke about the patient
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20 degree
10 degree
-20 degree
No tilt is used
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12 to 14
15 to 17
18 to 22
23 to 25
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Computerized axial tomography
Digital subtraction angiography
CAT-scan
Computed tomography
Perform both exams
Perform only a scan of the brain
Perform only a scan of the pelvis
Request clarification from the ordering physician
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Air passages are clear
Fluids are maintained
No medications are administered
The body temperature is decreased
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In the first trimester
In the second trimester
In the third trimester
Equally in all trimesters
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Catheters used for administering contrast media
Cell fragments necessary for blood coagulation
Detector elements responsible for capturing attenuated photons
Implants
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From the iliac crest through the symphysis pubis
From the sternal notch through the iliac crest
From the sternal notch through the symphysis pubis
From the xyphoid process through the iliac crest
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Eliminates the need for IV contrast injection
Eliminates the need for oral contrast media
Helps visualize the vaginal canal
Provides a high intensity on the image
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Diluted
Discarded
Heated
Shaken
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The energy level and the quantity of x-rays can be selected
The phase and frequency of the x-rays can be adjusted
The temperature and color of the x-rays can be tuned
The volume and tone of the x-rays can be selected
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Collimation
Reconstruction interval
Rotation
Table increment
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Cancel the procedure indefinitely
Perform the exam immediately while she is experiencing the sinus problems
Postpone the procedure until she is more certain of her condition
Suggest she get an MRI instead
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1 only
2 only
3 only
1 & 3
All of the above
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Barium
Glucose
Iodine
Meglumine
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50 seconds
60 seconds
75 seconds
150 seconds
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Decreasing the osmolality
Decreasing the viscosity
Increasing the density
Increasing the iodine concentration
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1 only
2 only
3 only
1,2 & 3
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1 only
2 only
3 only
1,2 & 3
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A parameter used to control the brightness of the image
Always a reason to call for repair of the CT scanner
An anomaly in the CT image
Used to time the injection of contrast media
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Stomach
Spleen
Esophagus
Duodenum
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1 only
2 only
3 only
None of the above
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Daily
Weekly
Monthly
Annually
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1 only
2 only
3 only
All the above
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1 only
2 only
3 only
All of the above
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Deflections from the original trajectory or an x-ray photon through the patient
Improper patient positioning
Miscalibrated detector
X-rays generated spontaneously in the ambient atmosphere
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Amplify the measured signal
Capture x-ray photons and convert them to a measurable signal
Limit the x-ray dose to the patient
Provide additional collimation in order t o reduce scatter
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KVp
MA
Pitch
Rotation time
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1 only
2 only
3 only
All of the above
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Disposal of needle in sharps container
Use of an N95 respirator
Wash hands after touching a patient
Wear gloves when starting an IV
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1 only
2 only
3 only
1 & 3
All of the above
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Apply heat during the injection
Apply ice during the injection
Slap the area
Stop the injection immediately
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1 only
2 only
3 only
1 & 2
All of the above
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Prone with the hand resting by the side
Prone with the arm raised above the head
Supine with the hand resting by the side
Supine with the hand resting on the abdomen
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They are easily produced by the high frequency generator
They are less harmful than the heating effects of microwave radiation
They penetrate the body according to specific attenuation characteristics of each tissue
The FDA imposes no limit on the dose to the patient
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Digital distribution of images
Image display for the radiologists
Long term data storage
Reconstruction of the image from the raw data
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1 only
2 only
3 only
1 & 3
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1 only
2 only
3 only
All of the above
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Prone with knees bent over a wedge
Prone with knees straight
Right decubitus position
Supine with knees bent over a wedge
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AP
Lateral
Oblique
Transverse
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Coefficient of attenuation
Energy level of the x-ray photons
Quantity of x-ray photons
Slice thickness
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Electron beam CT
First-generation CT
MDCT
PET/CT
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CT number = 0.5 x Hounsfield unit
CT number = 2 x Hounsfiedl unit
CT number = Hounsfield unit
CT number = Hounsfield unit/2
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