Exam 1: Computed Tomography: an Overview

Which acronym has been established by the Radiological Society of North America (RSNA) and the accepted term for use within the radiologic community and major American radiology journals?

The following developments in CT were introduced during the period between 1973 and 1983 except:

The radiation used by Hounsfield in his original experiments was:

ALARA is an acronym for as low as reasonably achievable.

What contribution did Cormack make to the development of clinical CT?

Sectional images are obtained from all of the following except:

The first CT scanners' X-ray tube and detector movement was described as translate-rotate-stop-rotate because they moved in a straight line across the patient.

Processing images by computer is referred to as digital image processing.

CT fluoroscopy is a clinical tool allowing the reconstruction and display of images in real time with variable frame rates.

Data acquisition refers to:

Ambrose received the Nobel Prize in 1979 with Hounsfield.

Isodose curves are a dose descriptor used in reporting radiation doses in CT.

Determining tissue types in CT slices is referred to as volume formation.

What form of archiving has proven most popular among CT departments?

The detectors convert the attenuation data into ____________ signals.

Please match the following CT concepts. All answer selections will be used just once. -3D classification

In CT,

The first clinical prototype CT scanner was used to scan a woman patient with a suspected brain lesion.

Who developed the first clinically useful CT scanner?

Which term describes the systematic motion of the X-ray tube as it rotates around the patient to collect X-ray transmission readings?