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CT Exam 1 questions with verified answers.
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CT Exam 1 questions with verified answers.The main goal in CT is to:
A. Minimize superimposition
B. Improve contrast resolution
C. Provide a large amount of clinical information in a short amount of time
D. All the above ANS - D
Arrange MR Imaging, CT Imaging, and plain film x-ray imaging in order from best to worst in their ability to differentiate soft tissues in the body:
A. X-ray is better than CT is better than MRI
B. MRI is better than CT is better than x-ray
C. CT is better than MRI is better than x-ray
D. X-ray is better then MRI is better than CT ANS - B
Sectional Images are obtained from all of the following except:
A. Tomography
B. Transverse Axial Tomography
C. Conventional Radiography
D. Computed Tomography ANS - C
Which acronym has been established by the Radiological Society of North America in major American radiology journals
A. RTCT B. CTAT
C. CT
D. CAT ANS - C
Data Acquisition refers to:
A. Collecting x-ray transmission readings from the patient
B. Subjecting data to computer processing
C. Changing the data before they are displayed on a monitor
D. Storing the data collected from the patient onto magnetic tapes or disks ANS - A
Which term describes the systematic motion of the x-ray tube as it rotates around the patient to collect x-ray transmission readings?
A. Translating
B. Scanning
C. Data Processing
D. Sampling ANS - B
Who developed the first clinically useful computed tomography scanner?
A. Cormack
B. Roentgen
C. Hounsfield
D. Curry ANS - C
The detectors convert the attenuation data into ________ signals
A. Digital B. Electrical
C. Light
D. Mechanical ANS - B
Who is considered the "Father of Computed Tomography"?
A. Willhelm Roentgen
B. Dr. Robert Ledley
C. Godfrey Housfield
D. Dr. Allan Cormack ANS - C
Please Choose all the Answers that apply:
What are the disadvantages of CT?
A. Cost
B. High dose of radiation
C. Increased contrast resolution
D. Fast Exam Times ANS - A, B
Please Choose all the Answers that apply:
The number of photons that interact with the tissues of the patient depends on the tissues:
A. Thickness
B. Density
C. Circumference
D. Atomic Number ANS - A, B, D
The radiation used in Hounsfield's first experiments was:
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