Question 1

Who developed the first whole-body computed tomography scanner?

Accepted Answer

A) Ledley 
B) Kuhl 
C) Cormack and Hounsfield 
D) Oldendorf 
A) Ledley 
B) Kuhl 
C) Cormack and Hounsfield 
D) Oldendorf

Question 2

Which company pioneered the development of the first clinically useful computed tomography scanner?

Accepted Answer

A) General Electric 
B) Siemens 
C) Elscint 
D) EMI 
A) General Electric 
B) Siemens 
C) Elscint 
D) EMI

Question 3

The mathematical techniques used by the computer to reconstruct the computed tomography image are known as:

Accepted Answer

A) computer programs 
B) image reconstruction algorithms 
C) manipulation of images 
D) pattern recognition 
A) computer programs 
B) image reconstruction algorithms 
C) manipulation of images 
D) pattern recognition

Question 4

Currently, the electron-beam computed tomography scanner is marketed by:

Accepted Answer

A) EMI 
B) General Electric 
C) Toshiba 
D) Siemens 
A) EMI 
B) General Electric 
C) Toshiba 
D) Siemens

Question 5

What contribution did Cormack make to the development of clinical computed tomography?

Accepted Answer

A) He developed Britain's first business computer. 
B) He developed programs to calculate doses to patients. 
C) He developed the solutions to the mathematical problems in computed tomography. 
D) He performed a practical reconstruction of an image of the sun. 
A) He developed Britain's first business computer. 
B) He developed programs to calculate doses to patients. 
C) He developed the solutions to the mathematical problems in computed tomography. 
D) He performed a practical reconstruction of an image of the sun.

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

The detectors convert the attenuation data into ____________ signals.

Accepted Answer

A) digital 
B) electrical 
C) light 
D) mechanical 
A) digital 
B) electrical 
C) light 
D) mechanical

Question 8

Please match the following computed tomography concepts. All answer selections will be used just once.
-3D technique

Accepted Answer

A) Determine tissue types in computed tomography slices 
B) Algorithms 
C) Image storage 
D) Computed tomography dose descriptor 
E) Converting electrical signals into digital data
F)Surface-based rendering 
A) Determine tissue types in computed tomography slices 
B) Algorithms 
C) Image storage 
D) Computed tomography dose descriptor 
E) Converting electrical signals into digital data
F)Surface-based rendering

Question 9

All these elements can be used during data acquisition to reduce patient dose except:

Accepted Answer

A) combined applications 
B) ultrafast ceramic detectors 
C) decreased pitch 
D) on-line dose modulation 
A) combined applications 
B) ultrafast ceramic detectors 
C) decreased pitch 
D) on-line dose modulation

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

In computed tomography,

Accepted Answer

A) a computer is used to reconstruct images of sectional anatomy. 
B) a computer is used to calculate radiation dose to the patient. 
C) a computer is not required because the physicist calculates the image, which the computer then prints out. 
D) special detectors are used to reconstruct sectional images. 
A) a computer is used to reconstruct images of sectional anatomy. 
B) a computer is used to calculate radiation dose to the patient. 
C) a computer is not required because the physicist calculates the image, which the computer then prints out. 
D) special detectors are used to reconstruct sectional images.

Question 12

Which acronym has been established by the Radiological Society of North America for use in major American radiology journals?

Accepted Answer

A) CAT 
B) CT 
C) CTAT 
D) RT 
A) CAT 
B) CT 
C) CTAT 
D) RT

Question 13

In the original experiments in computed tomography, the computer took 9 hours to process one image.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is best used to describe patient dose in computed tomography?

Accepted Answer

A) CTDI and MSAD 
B) isometric curves 
C) exposure doses 
D) collective doses 
A) CTDI and MSAD 
B) isometric curves 
C) exposure doses 
D) collective doses

Question 15

Who developed the first clinically useful computed tomography scanner?

Accepted Answer

A) Cormack 
B) Roentgen 
C) Hounsfield 
D) Siemens Medical Systems 
A) Cormack 
B) Roentgen 
C) Hounsfield 
D) Siemens Medical Systems

Question 16

Quality control is well established in computed tomography.

Accepted Answer

A) True 
 B)False

Question 17

Please match the following computed tomography concepts. All answer selections will be used just once.
-Optical disks

Accepted Answer

A) Determine tissue types in computed tomography slices 
B) Algorithms 
C) Image storage 
D) Computed tomography dose descriptor 
E) Converting electrical signals into digital data
F)Surface-based rendering 
A) Determine tissue types in computed tomography slices 
B) Algorithms 
C) Image storage 
D) Computed tomography dose descriptor 
E) Converting electrical signals into digital data
F)Surface-based rendering

Question 18

Sectional images are obtained from all of the following except:

Accepted Answer

A) tomography 
B) transverse axial tomography 
C) conventional radiography 
D) computed tomography 
A) tomography 
B) transverse axial tomography 
C) conventional radiography 
D) computed tomography

Question 19

PACS is an acronym for picture archiving and communications systems.

Accepted Answer

A) True 
 B)False

Question 20

Computed tomography has been applied to the study of internal log defects and Egyptian mummies.

Accepted Answer

A) True 
 B)False

Who developed the first whole-body computed tomography scanner?

Which company pioneered the development of the first clinically useful computed tomography scanner?

The mathematical techniques used by the computer to reconstruct the computed tomography image are known as:

Currently, the electron-beam computed tomography scanner is marketed by:

What contribution did Cormack make to the development of clinical computed tomography?

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

The detectors convert the attenuation data into ____________ signals.

Please match the following computed tomography concepts. All answer selections will be used just once. -3D technique

All these elements can be used during data acquisition to reduce patient dose except:

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

In computed tomography,

Which acronym has been established by the Radiological Society of North America for use in major American radiology journals?

In the original experiments in computed tomography, the computer took 9 hours to process one image.

Which of the following is best used to describe patient dose in computed tomography?

Who developed the first clinically useful computed tomography scanner?

Quality control is well established in computed tomography.

Please match the following computed tomography concepts. All answer selections will be used just once. -Optical disks

Sectional images are obtained from all of the following except:

PACS is an acronym for picture archiving and communications systems.

Computed tomography has been applied to the study of internal log defects and Egyptian mummies.

Introduction to Computers

Digital Image Processing

Physical Principles of Computed Tomography

Data Acquisition Concepts

Image Reconstruction

Basic Instrumentation

Image Postprocessing and Visualization Tools

Image Quality

Radiation Dose in Computed Tomography

Single-Slice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Multislice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Other Technical Applications of Computed Tomography Imaging: Basic Principles

Three-Dimensional Computed Tomography: Basic Concepts

Virtual Reality Imaging

Positron Emission Tomographycomputed Tomography Scanners

Computed Tomography of the Head, Cerebral Vessels, Neck, and Spine

Computed Tomography of the Body

Pediatric Computed Tomography

Quality Control for Computed Tomography Scanners

Filters

Exam 1: Computed Tomography: An Overview

Who developed the first whole-body computed tomography scanner?

Which company pioneered the development of the first clinically useful computed tomography scanner?

The mathematical techniques used by the computer to reconstruct the computed tomography image are known as:

Currently, the electron-beam computed tomography scanner is marketed by:

What contribution did Cormack make to the development of clinical computed tomography?

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

The detectors convert the attenuation data into ____________ signals.

Please match the following computed tomography concepts. All answer selections will be used just once. -3D technique

All these elements can be used during data acquisition to reduce patient dose except:

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

In computed tomography,

Which acronym has been established by the Radiological Society of North America for use in major American radiology journals?

In the original experiments in computed tomography, the computer took 9 hours to process one image.

Which of the following is best used to describe patient dose in computed tomography?

Who developed the first clinically useful computed tomography scanner?

Quality control is well established in computed tomography.

Please match the following computed tomography concepts. All answer selections will be used just once. -Optical disks

Sectional images are obtained from all of the following except:

PACS is an acronym for picture archiving and communications systems.

Computed tomography has been applied to the study of internal log defects and Egyptian mummies.

Introduction to Computers

Digital Image Processing

Physical Principles of Computed Tomography

Data Acquisition Concepts

Image Reconstruction

Basic Instrumentation

Image Postprocessing and Visualization Tools

Image Quality

Radiation Dose in Computed Tomography

Single-Slice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Multislice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Other Technical Applications of Computed Tomography Imaging: Basic Principles

Three-Dimensional Computed Tomography: Basic Concepts

Virtual Reality Imaging

Positron Emission Tomographycomputed Tomography Scanners

Computed Tomography of the Head, Cerebral Vessels, Neck, and Spine

Computed Tomography of the Body

Pediatric Computed Tomography

Quality Control for Computed Tomography Scanners

Filters