A CT scan(computed tomography) is a scanning process through which you get computer-processed X-ray. Medical imaging is the standard application of X-ray CT used for diagnostic and therapeutic purposes. Take this quiz to test your knowledge of different methods and system used in the CT Scan. Attempt all the questions, and try your best. Let's take the exam. All the best!
Inside the gantry
Just outside the scan room
Beneath the CT table
Inside the operator's console
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Butterfly needle
Central venous line
23-gauge spinal needle
Angiocatheter
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1 only
1 and 2 only
1 and 3 only
1,2 and 3
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Prospective
Isotropic
Retrospective
Anisotropic
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Sublingual
Intramuscular
Transdermal
Oral
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2 only
1 and 2 only
2 and 3 only
1,2 and 3
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Thrombolytic zone
Hemorrhage focus
Ischemic penumbra
Stroke volume
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Axial
Coronal
Sagittal
Transaxial
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Ultrafast CT
Cine CT
Conventional CT
Temporal CT
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CTA of the pulmonary arteries
Prone HRCT of the lungs
CTA of the aorta
Coronary CTA
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Iliac crests to the pubic symphysis
Kidneys through the bladder
Bottom of the kidneys to the pubic symphysis
Iliac crests to the lesser trochanter
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CT IVP
CT urogram
CT enteroclysis
CT cystography
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Anticholinergic
Bronchodilator
Antihistamine
Corticosteroid
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Acid-fast bacillus isolation
Contact isolation
Enteric precautions
Drainage-secretion precautions
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Sublingual nitroglycerine
A B-adrenergic receptor blocking agent (B-Blocker)
Atropine
Albuterol
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Automated bolus tracking
Automatic tube current modulation
Retrospective ECG gating
Saline flush
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Uniform matrix array
Adaptive array
Hybrid array
Stationary array
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T10
T12
L2
L4
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Hypodense
Isodense
Hyperdense
Mottled
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2 only
1 and 2 only
2 and 3 only
1,2 and 3
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10-12 seconds
17-21 seconds
25-35 seconds
43-55 seconds
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Cooper's ligament
Camper's fascia
Linea alba
Gerota's fascia
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Anterior commissure
Septum pellucidum
Cerebral aqueduct
Fornix
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1mm
5mm
7mm
10mm
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Positive CT numbers
High spatial frequencies
Negative CT numbers
Low spatial frequencies
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1.25 mm or less
2-3 mm
3-5 mm
5-7mm
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2 only
1 and 2 only
1 and 3 only
2 and 3 only
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Spatial resolution
Contrast resolution
Noise
Calibration accuracy
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Hepatic artery
Superior mesenteric artery
Portal vein
Superior mesenteric vein
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Iohexol
Iothalamate meglumine
Iopamidol
Ioversol
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Interpolation
Overbeaming
Photon flux
Back-projection
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Convolution
Radon transformation
Interpolation
Fourier reconstruction
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1 only
3 only
2 and 3 only
1,2 and 3
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The algorithm, matrix size, and DFOV may all be changed
The slice thickness and SFOV may be changed
Scan (raw) data must be available
Retrospective image reconstruction may be used to adjust the center of the image
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Step artifact
Aliasing artifact
Out-of-field artifact
Cone beam artifact
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8
16
32
64
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10%
25%
50%
100%
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10-20%
35-50%
55-75%
85-95%
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Dose profile
Kerma
Becquerel
MSAD
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Spondylolisthesis
Spondylolysis
Herniated nucleus pulposus
Spinal stenosis
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Focal spot size
Section width
Reconstruction algorithm
Signal-to-noise ratio
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1 only
1 and 3 only
2 and 3 only
1,2 and 3
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Bronchiectasis
Pneumonia
Mediastinal lymphadenopathy
Pulmonary nodule
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1 only
1 and 2 only
1 and 3 only
1,2 and 3
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Leiomyoma
Cystic teratoma
Endometriosis
Corpus luteum
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1 only
1 and 2 only
2 and 3 only
1,2 and 3
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Tibial plateau
Patellofemoral joint
Medial and lateral menisci
Anterior cruciate ligament
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Reduce the lordotic curve
Decrease patient gonadal radiation dose
Reduce metrizamide pooling
Increase the lordotic curve
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