Deck 9: Picture Archiving and Communication System Fundamentals

Question 1

The acronym PACS stands for ______ system.

A) picture archival and control
B) picture archival and communication
C) physical archive and communication
D) physical archive and compression

Answer 1

picture archival and communication

Question 2

The acronym RIS stands for ______ system.

A) radiology integrated
B) redundant information
C) radiology information
D) reading integrated

Answer 2

radiology information

Question 3

What term is used to describe the reading of images outside of the hospital walls,generally at home or in remote locations?

A) Teleradiology
B) Offsite reporting
C) Long-range reporting
D) Home-based reading

Answer 3

Teleradiology

Question 4

A square table of numbers that represents the intensity to be displayed on the monitor is a

A) matrix.
B) pixel.
C) resolution.
D) dot pitch.

Question 5

Which function determines how images are displayed on the monitor(s)?

A) Series navigation
B) Hanging protocol
C) Flip and rotate
D) All of the above

Question 6

In which system architecture do the acquisition modalities send their images directly to a designated workstation?

A) Client/server-based system
B) Distributed system
C) Web-based system
D) Image manager system

Question 7

If the number of ______ increase(s)on a monitor,resolution _______.

A) pixels;decreases
B) matrices;decreases
C) pixels;improves
D) dot pitch;improves

Question 8

The number of pixels contained on a display is known as

A) matrix.
B) pixel.
C) resolution.
D) dot pitch.

Question 9

Reading images on a computer screen is known as ________ reporting.

A) soft copy
B) hard copy
C) computer
D) Both A and B

Question 10

Which is the most interactive part of a PACS?

A) Archive
B) Image manager
C) Web server
D) Display workstation

Question 11

In which system architecture do the images and application software reside on a central server?

A) Client/server-based system
B) Distributed system
C) Web-based system
D) Image manager system

Question 12

Which part of the PACS houses all of the historic digital image data along with the current digital data being generated by the modalities?

A) Archive
B) Display workstation
C) File room
D) Review workstation

Question 13

Which function represents the range of gray values that are being viewed on the monitor?

A) Window
B) Level
C) Contrast
D) Density

Question 14

Which workstation is used to review images after acquisition but before being sent off for reporting?

A) Primary reading
B) Referring physician
C) Technologist QC
D) Image management

Question 15

Which function allows the user to move through a series of images frame by frame?

A) Pan and zoom
B) Hanging protocol
C) Cine
D) Both A and B

Question 16

Which set of functions is used to move through images,series,studies,and patients?

A) Navigation
B) Image management
C) Image manipulation and enhancement
D) Advanced workstation

Question 17

Any computer that a health care worker uses to view a digital image is a(n)

A) archive.
B) Web server.
C) image manager.
D) display workstation.

Question 18

A universally accepted standard for exchanging medical imaging via a networked set of display workstations,archive,and imaging modalities is

A) HIPAA.
B) DICOM.
C) HL-7.
D) All of the above

Question 19

Which term best describes a basic picture element on a display?

A) Matrix
B) Pixel
C) Dot pitch
D) Resolution

Question 20

Which workstation might be used to print copies of images or burn images to a CD for outside use?

A) Primary reading
B) Referring physician
C) Technologist QC
D) Image management

Question 21

Which advanced function uses a histogram-type graph to differentiate various structures using different colors that represent each of the intensities in the image?

A) MPR
B) MIP
C) VRT
D) SSD

Question 22

Digital annotations may be used to indicate the right or left side of the patient.

Question 23

Incorrect patient demographic information is unimportant in a PACS.

Question 24

Which function increases the size of an area on the image?

A) Pan and zoom
B) ROI
C) Annotations
D) Flip and rotate

Question 25

Which advanced function allows the user to put multiple images together into one single image,such as in a scoliosis series?

A) Image post processing
B) MPR
C) Stitching
D) VRT

Question 26

Which function can be used to orient the image in the anatomic hanging position?

A) Pan and zoom
B) ROI
C) Annotations
D) Flip and rotate

Question 27

Early PACS radiologists believed that they needed four to six monitors to view images.

Question 28

Which advanced function allows the user to remove all tissue above and below a certain threshold and to show the object in three-dimensions for better visualization?

A) MPR
B) MIP
C) MinIP
D) SSD

Question 29

Which advanced function is used most often in computed tomography to visualize contrast medium-filled vessels separate from the surrounding tissue?

A) MPR
B) MIP
C) MinIP
D) SSD

Question 30

Which advanced workstation function can reconstruct images into another plane?

A) MPR
B) MIP
C) VRT
D) SSD