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The system clock uses a
Select one:
a.lithium battery.
b.quartz battery.
c.vibrating quartz crystal.
d.vibrating lithium crystal.
c.vibrating quartz crystal
Storage capacity for early hard drives was
Select one:
a.10 GB.
b.100 GB.
c.10 MB.
d.100 MB.
c.10 MB.
The information storage capacity of a DVD is ______ times more than that of a CD.
Select one:
a.1
b.3
c.5
d.7
d.7
The basic picture element is known as a
Select one:
a.matrix.
b.dot.
c.pixel.
d.bit.
c.pixel.
The refresh rate controls the
Select one:
a.scan.
b.flicker.
c.resolution.
d.reload.
b.flicker.
Which of the following describes a thin-client computer?
Select one:
a.Any computer that needs a server for task completion
b.A computer that works independently of the network
c.A computer that manages resources for other computers
d.All of the above
a.Any computer that needs a server for task completion
Which of the following are true regarding the image manager?
1. Contains the master database of all on the archive
2. Controls the receipt of all images
3. Stores images in its database
Select one:
a.1 and 2
b.1 and 3
c.2 and 3
d.1, 2, and 3
a.1 and 2
All of the following are major operating systems except
Select one:
a.Windows.
b.Macintosh.
c.Hologic.
d.UNIX/Linux.
c. Hologic
A film imager is also known as a film
Select one:
a.digitizer.
b.printer.
c.duplicator.
d.None of the above
b. printer
What factors might be used when determining the best type of monitor for each workstation?
1. Resolution
2. Size
3. Monitor orientation
Select one:
a.1 and 2
b.1 and 3
c.2 and 3
d.1, 2, and 3
d.1, 2, and 3
A PACS consists of
1. image acquisition.
2. display workstation.
3. archive servers.
Select one:
a.1 and 2
b.1 and 3
c.2 and 3
d.1, 2, and 3
d.1, 2, and 3
Binary code is a computer language based on
Select one:
a.ones and zeros.
b.ones and tens.
c.tens and zeros.
a.ones and zeros.
The least expensive network to install is a
Select one:
a.WAN.
b.LAN.
c.CT scanner.
d.MRI scanner.
b.LAN.
In which network type is each computer on the network considered equal?
Select one:
a.Server based
b.Client based
c.Peer to peer
d.None of the above
c.Peer to peer
Which of the following describes a thick-client computer?
Select one:
a.Any computer that needs a server for task completion
b.A computer that works independently of the network
c.A computer that manages resources for other computers
d.All of the above
b.A computer that works independently of the network
A server is
Select one:
a.any computer that needs a server for task completion.
b.a computer that works independently of the network.
c.a computer that manages resources for other computers.
d.All of the above
c.a computer that manages resources for other computers.
The most fragile type of network connection is
Select one:
a.coaxial.
b.twisted pair.
c.fiber optic.
d.infrared.
c. fiber optic
The biggest advantages of wireless networks are
Select one:
a.the size and shape of transmitters.
b.the cost and location from source.
c.wall thickness and composition.
d.mobility and convenience.
d.mobility and convenience.
The simplest connection device is the
Select one:
a.hub.
b.switch.
c.bridge.
d.router.
b.switch.
In a bus network
Select one:
a.redundancy is built in with multiple connections.
b.devices are connected to a central hub.
c.a token is transmitted around the ring.
d.no switches of hubs are necessary.
d.no switches of hubs are necessary.
The topology in which the bus is collapsed into a central box is the
Select one:
a.hub.
b.star.
c.ring.
d.mesh.
b.star.
The topology on which the Internet is based is the
Select one:
a.hub.
b.star.
c.ring.
d.mesh.
d. mesh
The almost universally accepted standard for exchanging medical images is known as
Select one:
a.NEMA.
b.ACR.
c.DICOM.
d.TCP/IP.
c. DICOM
Devices commonly referred to as roles include
Select one:
a.DICOM.
b.SCU.
c.ACR.
d.MRI.
b.SCU.
Lossy compression is used to
Select one:
a.increase image detail.
b.decrease compression values.
c.shrink file size.
d.reduce image degradation.
c.shrink file size.
The standard that oversees most computerized clinical and administrative data is known as
Select one:
a.DICOM.
b.HL-7.
c.RIS.
d.HIS.
b.HL-7.
The system that holds a specific patient's lab results, radiology reports, and physician notes is the
Select one:
a.RIS.
b.HIS.
c.electronic medical record (EMR).
d.picture archival and communication system (PACS).
c.electronic medical record (EMR).
The system that contains patient information, billing records, and inpatient orders is the
Select one:
a.RIS.
b.HIS.
c.EMR.
d.PACS.
b. HIS
The acronym PACS stands for ______ system.
Select one:
a.picture archival and control
b.picture archival and communication
c.physical archive and communication
d.physical archive and compression
b.picture archival and communication
The fastest and most versatile port is the
Select one:
a.parallel port.
b.serial port.
c.USB.
d.SCSI.
d.SCSI.
A universally accepted standard for exchanging medical imaging via a networked set of display workstations, archive, and imaging modalities is
Select one:
a.HIPAA.
b.DICOM.
c.HL-7.
d.All of the above
b.DICOM.
Any computer that a health care worker uses to view a digital image is a(n)
Select one:
a.archive.
b.Web server.
c.image manager.
d.display workstation.
d.display workstation.
Which of the following would be considered advantages of a client/server-based system?1. Any image can be seen anywhere without interventions.2. Even if the archive goes down, images can still be seen at all workstations.3. Only one person can open a study with the intent to read it, and others will be told that the study is being read by someone else.
Select one:
a.1 and 2
b.1 and 3
c.2 and 3
d.1, 2, and 3
b.1 and 3
Two or more objects sharing resources and information or computers, terminals, and servers interconnected by communication channels is a definition of a
Select one:
a.local area network (LAN).
b.wide area network (WAN).
c.computer network.
d.All of the above
d.All of the above
Which of the following would be considered disadvantages of a distributed system?1. There is a heavy reliance that the images are being sent to the correct locations.2. The archive is considered a single point of failure.3. Each workstation has a different worklist.
Select one:
a.1 and 2
b.1 and 3
c.2 and 3
d.1, 2, and 3
b.1 and 3
Which is the most interactive part of a PACS?
Select one:
a.Archive
b.Image manager
c.Web server
d.Display workstation
d.Display workstation
The number of pixels contained on a display is known as
Select one:
a.matrix.
b.pixel.
c.resolution.
d.dot pitch.
c.resolution
Which of the following would be considered categories for display workstations?1. Primary reading2. Technologist QC3. Archive server
Select one:
a.1 only
b.1 and 2
c.1 and 3
d.1, 2, and 3
b.1 and 2
Which workstation is used to review images after acquisition but before being sent off for reporting?
Select one:
a.Primary reading
b.Referring physician
c.Technologist QC
d.Image management
c.Technologist QC
Which workstation might be used to print copies of images or burn images to a CD for outside use?
Select one:
a.Primary reading
b.Referring physician
c.Technologist QC
d.Image management
d.Image management
Which of the following would be considered categories of workstation functions?1. Navigation2. Image manipulation and enhancement3. Image management
Select one:
a.1 and 2
b.1 and 3
c.2 and 3
d.1, 2, and 3
d.1, 2, and 3
Which set of functions is used to move through images, series, studies, and patients?
Select one:
a.Navigation
b.Image management
c.Image manipulation and enhancement
d.Advanced workstation
a.Navigation
Which function determines how images are displayed on the monitor(s)?
Select one:
a.Series navigation
b.Hanging protocol
c.Flip and rotate
d.All of the above
Which function allows the user to move through a series of images frame by frame?
Select one:
a.Pan and zoom
b.Hanging protocol
c.Cine
d.Both A and B
c. Cine
Which function represents the range of gray values that are being viewed on the monitor?
Select one:
a.Window
b.Level
c.Contrast
d.Density
a. Window
Which function can be used to orient the image in the anatomic hanging position?
Select one:
a.Pan and zoom
b.ROI
c.Annotations
d.Flip and rotate
d. Flip and rotate
Which function increases the size of an area on the image?
Select one:
a.Pan and zoom
b.ROI
c.Annotations
d.Flip and rotate
a. Pan and zoom
Which of the following measurements are commonly found on a PACS workstation?1. ROI2. Distance3. Angle
Select one:
a.1 and 2
b.1 and 3
c.2 and 3
d.1, 2, and 3
d. 1,2, and 3
Which advanced workstation function can reconstruct images into another plane?
Select one:
a.MPR
b.MIP
c.VRT
d.SSD
a. MPR
Which advanced function is used most often in computed tomography to visualize contrast medium-filled vessels separate from the surrounding tissue?
Select one:
a.MPR
b.MIP
c.MinIP
d.SSD
b. MIP
Which advanced function uses a histogram-type graph to differentiate various structures using different colors that represent each of the intensities in the image?
Select one:
a.MPR
b.MIP
c.VRT
d.SSD
c.VRT
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?
Select one:
a.MPR
b.MIP
c.MinIP
d.SSD
d.SSD
Which advanced function allows the user to put multiple images together into one single image, such as in a scoliosis series?
Select one:
a.Image post processing
b.MPR
c.Stitching
d.VRT
c.Stitching
Early PACS radiologists believed that they needed four to six monitors to view images.
Select one:
a.True
b.False
a.True
Digital annotations may be used to indicate the right or left side of the patient.
Select one:
a.True
b.False
b.False
Incorrect patient demographic information is unimportant in a PACS.
Select one:
a.True
b.False
b.False
What term is used to describe a database that is running two identical databases simultaneously?
Select one:
a.Image manager
b.Server
c.Mirrored
d.Striped
c.Mirrored
Which picture archival and communication system (PACS) component interfaces with the radiology information system and hospital information system?
Select one:
a.Image storage
b.Archive server
c.Application service provider (ASP)
d.Image manager
d.Image manager
Which component of the archive consists of the physical storage devices?
Select one:
a.Image storage
b.Archive server
c.Image manager
d.Both A and B
d.Both A and B
A level, layer, or division of something is known as a
Select one:
a.tier.
b.RAID.
c.stripe.
d.mirror.
a.tier.
Which term describes the act of keeping a complete copy of the archive in another remote location?
Select one:
a.ASP
b.SAN
c.Disaster recovery
d.All of the above
c.Disaster recovery
A database that keeps track of how the images are related and provides search capability is a(n)
Select one:
a.workflow manager.
b.security manager.
c.image storage.
d.image manager.
d.image manager.
Which of the following devices would be considered PACS peripherals?1. Film digitizer2. Film imager3. Archive server
Select one:
a.1 only
b.1 and 2
c.2 and 3
d.1, 2, and 3
b.1 and 2
A dot triad is a grouping of
Select one:
a.one red dot, one green dot, and one yellow dot.
b.one green dot, one blue dot, and one yellow dot.
c.one red dot, one blue dot, and one yellow dot.
d.one green dot, one blue dot, and one red dot.
d.one green dot, one blue dot, and one red dot.
Any supplemental device connected to a PACS that performs a specific function is known as a(n)
Select one:
a.archive.
b.peripheral.
c.workstation.
d.digital imaging modality.
b.peripheral.
Other than printing films, another alternative would be to
Select one:
a.digitize the image into the PACS.
b.have the physician come to the hospital to view the images.
c.burn images to an optical disk.
d.do both A and B.
c.burn images to an optical disk.
If the number of ______ increase(s) on a monitor, resolution _______.
Select one:
a.pixels; decreases
b.matrices; decreases
c.pixels; improves
d.dot pitch; improves
c.pixels; improves
RAM is
Select one:
a.permanent for the CPU.
b.long term for open programs.
c.temporary for the CPU.
d.short term for open programs.
d.short term for open programs.
The greatest advantage of a laser digitizer is its expense and service needs.
Select one:
a.True
b.False
b. False
CCD digitizers are slower than laser digitizers.
Select one:
a.True
b.False
a. True
Dry imagers use chemicals to process the films.
Select one:
a.True
b.False
b. False
One major advantage of wet imagers is that they only require an electrical outlet and a network connection.
Select one:
a.True
b.False
b. False
A handheld personal organizer is an example of a ______ operating system.
Select one:
a.real-time
b.single-user, single-task
c.single-user, multitask
d.multiuser
b.single-user, single-task
Real-time operating systems are commonly found on
Select one:
a.large company mainframes.
b.modern x-ray equipment.
c.personal computers.
d.personal organizers.
b.modern x-ray equipment.
"Write once, read many" is represented by which of the following identifiers?
Select one:
a.ROM
b.RO
c.R
d.RW
c. R
The operating system software acts as a bridge between applications and hardware.
Select one:
a.True
b.False
a. True
A barcode reader is a type of _______ device.
Select one:
a.processing
b.input
c.output
b. input
Which device scans an analog film and produces numeric signals based on the appearance of the film?
Select one:
a.Film digitizer
b.Film imager
c.Burner
d.Archive server
a.Film digitizer
How many bits make up four bytes?
Select one:
a.8
b.16
c.32
d.64
c. 32
How many bytes are needed to store one alphanumeric character?
Select one:
a.1
b.8
c.32
d.64
a. 1