Question 1

Please match the following CT applications. All answer selections will be used just once.

-CT screening

Accepted Answer

A) Used in radiation oncology departments 
B) Used to measure bone mineral density 
C) Imaging of vascular structures with the use of IV contrast 
D) Real-time CT 
E) Used to image critically ill patients
F)Used to image asymptomatic patients
G)Eliminates interference of overlapping structures to better define lesions
H)Combines images to enhance medical management of radiation therapy patients 
A) Used in radiation oncology departments 
B) Used to measure bone mineral density 
C) Imaging of vascular structures with the use of IV contrast 
D) Real-time CT 
E) Used to image critically ill patients
F)Used to image asymptomatic patients
G)Eliminates interference of overlapping structures to better define lesions
H)Combines images to enhance medical management of radiation therapy patients

Question 2

During the development of CT fluoroscopy, the dose to the ________ of the operator was a concern.

Accepted Answer

A)  eyes 
B)  hands 
C)  skin 
D)  thyroid 
A)  eyes 
B)  hands 
C)  skin 
D)  thyroid

Question 3

All the following are advantages offered by flat-detector technology in breast CT scanning except:

Accepted Answer

A)  decreased dose. 
B)  excellent linearity. 
C)  high spatial resolution. 
D)  no geometric distortion. 
A)  decreased dose. 
B)  excellent linearity. 
C)  high spatial resolution. 
D)  no geometric distortion.

Question 4

During data acquisition in CT fluoroscopy, the patient remains stationary.

Accepted Answer

A) True 
 B)False

Question 5

The image reconstruction space refers to the spacing between the center of the slices.

Accepted Answer

A) True 
 B)False

Question 6

QCT is the use of CT for early detection of disease in asymptomatic people.

Accepted Answer

A) True 
 B)False

Question 7

Flat-detector CT (FD-CT) systems are being used in all of the following except:

Accepted Answer

A)  breast CT imaging. 
B)  maxillofacial scanning. 
C)  QCT. 
D)  radiation therapy. 
A)  breast CT imaging. 
B)  maxillofacial scanning. 
C)  QCT. 
D)  radiation therapy.

Question 8

Please match the following CT applications. All answer selections will be used just once.

-CT fluoroscopy

Accepted Answer

A) Used in radiation oncology departments 
B) Used to measure bone mineral density 
C) Imaging of vascular structures with the use of IV contrast 
D) Real-time CT 
E) Used to image critically ill patients
F)Used to image asymptomatic patients
G)Eliminates interference of overlapping structures to better define lesions
H)Combines images to enhance medical management of radiation therapy patients 
A) Used in radiation oncology departments 
B) Used to measure bone mineral density 
C) Imaging of vascular structures with the use of IV contrast 
D) Real-time CT 
E) Used to image critically ill patients
F)Used to image asymptomatic patients
G)Eliminates interference of overlapping structures to better define lesions
H)Combines images to enhance medical management of radiation therapy patients

Question 9

What technological advancement made spiral/helical scanning possible thus creating one basis for continuous scanning in CT imaging?

Accepted Answer

A)  Back-projection algorithm 
B)  Step-and-shoot acquisition 
C)  Slip ring 
D)  Xenon detector array 
A)  Back-projection algorithm 
B)  Step-and-shoot acquisition 
C)  Slip ring 
D)  Xenon detector array

Question 10

A virtual simulator is hardware that recreates the treatment machine.

Accepted Answer

A) True 
 B)False

Question 11

Which visualization technique uses all of the information in the axial data set to display internal structures?

Accepted Answer

A)  Interactive cine 
B)  Maximum intensity projection 
C)  Multiplanar reconstructions 
D)  Volume rendering 
A)  Interactive cine 
B)  Maximum intensity projection 
C)  Multiplanar reconstructions 
D)  Volume rendering

Question 12

All of the following are automated systems used to assist with contrast administration except:

Accepted Answer

A)  CARE Bolus. 
B)  Smart Bolus. 
C)  Smart Prep. 
D)  Sure Start. 
A)  CARE Bolus. 
B)  Smart Bolus. 
C)  Smart Prep. 
D)  Sure Start.

Question 13

Computed tomographic angiography techniques have proved useful in imaging each of the following except:

Accepted Answer

A)  coronary artery disease. 
B)  renal vasculature. 
C)  stroke. 
D)  metastatic lung disease. 
A)  coronary artery disease. 
B)  renal vasculature. 
C)  stroke. 
D)  metastatic lung disease.

Question 14

All of the following are steps crucial to performing a computed tomographic angiography examination except:

Accepted Answer

A)  acquisition measures. 
B)  contrast media administration. 
C)  decreased collimation. 
D)  patient preparation. 
A)  acquisition measures. 
B)  contrast media administration. 
C)  decreased collimation. 
D)  patient preparation.

Question 15

Operators standing in the CT room during the procedure must wear all of the following except:

Accepted Answer

A)  lead aprons. 
B)  lead glasses. 
C)  sterile gowns. 
D)  thyroid shields. 
A)  lead aprons. 
B)  lead glasses. 
C)  sterile gowns. 
D)  thyroid shields.

Question 16

Please match the following CT applications. All answer selections will be used just once.

-Computed tomographic angiography

Accepted Answer

A) Used in radiation oncology departments 
B) Used to measure bone mineral density 
C) Imaging of vascular structures with the use of IV contrast 
D) Real-time CT 
E) Used to image critically ill patients
F)Used to image asymptomatic patients
G)Eliminates interference of overlapping structures to better define lesions
H)Combines images to enhance medical management of radiation therapy patients 
A) Used in radiation oncology departments 
B) Used to measure bone mineral density 
C) Imaging of vascular structures with the use of IV contrast 
D) Real-time CT 
E) Used to image critically ill patients
F)Used to image asymptomatic patients
G)Eliminates interference of overlapping structures to better define lesions
H)Combines images to enhance medical management of radiation therapy patients

Question 17

All of the following are problems associated with transporting patients to a fixed CT scanner except:
a.
cost of staff involved in the transport.
b.
inconvenience to the patient's family.
c.
maintenance of nurse-to-patient ratio.
d.
risk of transporting unstable patients.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following cannot reduce the dose to the patient during CT fluoroscopy?

Accepted Answer

A)  Lower tube currents 
B)  Shorter examination times 
C)  Special X-ray filters 
D)  Shielding the imaged anatomy of interest 
A)  Lower tube currents 
B)  Shorter examination times 
C)  Special X-ray filters 
D)  Shielding the imaged anatomy of interest

Question 19

Medical image fusion is the process of registering and combining multiple images from CT, MRI, positron emission tomography, single-photon emissions CT, and ultrasonography to improve the imaging quality and increase clinical applicability.

Accepted Answer

A) True 
 B)False

Question 20

Dedicated hardware components of CT fluoroscopy include all of the following except:

Accepted Answer

A)  back-projection gate array. 
B)  fast arithmetic unit. 
C)  high-speed memory. 
D)  direct conversion detectors. 
A)  back-projection gate array. 
B)  fast arithmetic unit. 
C)  high-speed memory. 
D)  direct conversion detectors.

Please match the following CT applications. All answer selections will be used just once. -CT screening

During the development of CT fluoroscopy, the dose to the ________ of the operator was a concern.

All the following are advantages offered by flat-detector technology in breast CT scanning except:

During data acquisition in CT fluoroscopy, the patient remains stationary.

The image reconstruction space refers to the spacing between the center of the slices.

QCT is the use of CT for early detection of disease in asymptomatic people.

Flat-detector CT (FD-CT) systems are being used in all of the following except:

Please match the following CT applications. All answer selections will be used just once. -CT fluoroscopy

What technological advancement made spiral/helical scanning possible thus creating one basis for continuous scanning in CT imaging?

A virtual simulator is hardware that recreates the treatment machine.

Which visualization technique uses all of the information in the axial data set to display internal structures?

All of the following are automated systems used to assist with contrast administration except:

Computed tomographic angiography techniques have proved useful in imaging each of the following except:

All of the following are steps crucial to performing a computed tomographic angiography examination except:

Operators standing in the CT room during the procedure must wear all of the following except:

Please match the following CT applications. All answer selections will be used just once. -Computed tomographic angiography

All of the following are problems associated with transporting patients to a fixed CT scanner except: a. cost of staff involved in the transport. b. inconvenience to the patient's family. c. maintenance of nurse-to-patient ratio. d. risk of transporting unstable patients.

Which of the following cannot reduce the dose to the patient during CT fluoroscopy?

Medical image fusion is the process of registering and combining multiple images from CT, MRI, positron emission tomography, single-photon emissions CT, and ultrasonography to improve the imaging quality and increase clinical applicability.

Dedicated hardware components of CT fluoroscopy include all of the following except:

Computed Tomography: an Overview

Digital Image Processing

Physical Principles of Computed Tomography

Data Acquisition Concepts

Image Reconstruction

Iterative Reconstruction Basics

Basic Instrumentation

Image Postprocessing and Visualization Tools

Image Quality

Radiation Dose in Computed Tomography

Multislice Computed Tomography: Physical Principles and Instrumentation

Three-Dimensional Computed Tomography: Basic Concepts

Positron Emission Tomographyct Petct and Single-Photon Emission Computed Tomographyct Spectct Hybrid 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 12: Other Technical Applications of Computed Tomography Imaging: Basic Principles

Please match the following CT applications. All answer selections will be used just once. -CT screening

During the development of CT fluoroscopy, the dose to the ________ of the operator was a concern.

All the following are advantages offered by flat-detector technology in breast CT scanning except:

During data acquisition in CT fluoroscopy, the patient remains stationary.

The image reconstruction space refers to the spacing between the center of the slices.

QCT is the use of CT for early detection of disease in asymptomatic people.

Flat-detector CT (FD-CT) systems are being used in all of the following except:

Please match the following CT applications. All answer selections will be used just once. -CT fluoroscopy

What technological advancement made spiral/helical scanning possible thus creating one basis for continuous scanning in CT imaging?

A virtual simulator is hardware that recreates the treatment machine.

Which visualization technique uses all of the information in the axial data set to display internal structures?

All of the following are automated systems used to assist with contrast administration except:

Computed tomographic angiography techniques have proved useful in imaging each of the following except:

All of the following are steps crucial to performing a computed tomographic angiography examination except:

Operators standing in the CT room during the procedure must wear all of the following except:

Please match the following CT applications. All answer selections will be used just once. -Computed tomographic angiography

All of the following are problems associated with transporting patients to a fixed CT scanner except: a. cost of staff involved in the transport. b. inconvenience to the patient's family. c. maintenance of nurse-to-patient ratio. d. risk of transporting unstable patients.

Which of the following cannot reduce the dose to the patient during CT fluoroscopy?

Medical image fusion is the process of registering and combining multiple images from CT, MRI, positron emission tomography, single-photon emissions CT, and ultrasonography to improve the imaging quality and increase clinical applicability.

Dedicated hardware components of CT fluoroscopy include all of the following except:

Computed Tomography: an Overview

Digital Image Processing

Physical Principles of Computed Tomography

Data Acquisition Concepts

Image Reconstruction

Iterative Reconstruction Basics

Basic Instrumentation

Image Postprocessing and Visualization Tools

Image Quality

Radiation Dose in Computed Tomography

Multislice Computed Tomography: Physical Principles and Instrumentation

Three-Dimensional Computed Tomography: Basic Concepts

Positron Emission Tomographyct Petct and Single-Photon Emission Computed Tomographyct Spectct Hybrid 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