Digital chapter 10
Which film digitizer uses a helium neon laser to convert the analog film image into a digital image?1. Laser2. CCD3. TFT
1 only
Which of the following are commonly used as long-term storage for DICOM images? 1. Digital linear tape 2. Optical disks 3. Film
1&2
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
1&2
Which of the following devices would be considered PACS peripherals? 1. Film digitizer 2. Film imager 3. Archive server
1&2
Which of the following are types of optical disks? 1. MOD 2. DLT 3. UDO
1&3
Which of the following information might be found in the DICOM header of an image? 1. Patient name 2. Laboratory test results 3. Ordering physician
1&3
Most of the ___ levels of RAID are a combination of the original five.
11
Which of the following are common uses of a film digitizer? 1. Compare outside films 2. Computed aided diagnosis 3. Remote viewing of analog images
123
Which of the following are common uses of imagers? 1. Backup 2. Legal cases 3. Outside physicians
123
Which of the following describe(s) ways in which the RAID can be configured in an archive scheme? 1. Direct attached storage 2. Network attached storage 3. Storage area network
123
Which film digitizer uses fluorescent bulbs to aid in converting the analog film image into a digital image? 1. Laser 2. CCD 3. TFT
2 only
Film digitizers use which of the following technologies to acquire digital images? 1. TFT 2. CCD 3. Laser
2&3
Which of the following are types of tape archive solutions? 1. DVD 2. DLT 3. AIT
2&3
Which component of the archive consists of the physical storage devices? Image storage Archive server Image manager Both A and B
Both A and B
Which term describes the technology that allows a film to be digitized and then analyzed by a computer to alert the radiologist of possible questionable areas on a radiograph?
CAD
Which term describes the act of keeping a complete copy of the archive in another remote location?
Disaster recovery
Dry imagers use chemicals to process the films.
False
Which of the following is an archive storage configuration that has RAID arrays directly attached to the network?
NAS
A category of disk drives that uses two or more drives in combination for fault tolerance and performance is
RAID
In which RAID level are all data mirrored on two disks?
RAID 1
In which RAID level are all data and error corrections (parity) striped across all connected disks?
RAID 5
Which of the following is an archive storage configuration that links different kinds of data storage devices on a special-purpose network?
SAN
CCD digitizers are slower than laser digitizers.
True
The greatest disadvantage when using tape as a long-term archive solution is its unreliability over multiple uses throughout the years.
True
Wet imagers use chemicals to process films.
True
The place where records or documents are preserved for historic purposes is the
archive
The acronym for RAID is redundant array of inexpensive disks. archive of independent databases. array of independent disks. Both A and C
both a and c
Other than printing films, another alternative would be to
burn images to an optical disk
The greatest advantage of a laser digitizer is its expense and service needs.
false
Which device scans an analog film and produces numeric signals based on the appearance of the film?
film digitizer
What do dry imagers use to develop the image on the film?
heat
A database that keeps track of how the images are related and provides search capability is a(n)
image manager
Which picture archival and communication system (PACS) component interfaces with the radiology information system and hospital information system?
image manager
What term is used to describe a database that is running two identical databases simultaneously?
mirrored
Any supplemental device connected to a PACS that performs a specific function is known as a(n)
peripheral
In which RAID level are all data striped across all connected disks and error correction (parity) is contained on one disk?
raid 3
Which term is used to describe when data are broken up into pieces and each disk receives a "piece" of the data?
striping
Which term is used to describe the process of transferring images to remote locations for reading by a radiologist?
teleradiology
A level, layer, or division of something is known as a
tier
Disks are much cheaper to distribute than laser film.
true
