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ch. 34 DI
radiology
| Question | Answer |
|---|---|
| Advantages to the digital environment over film include | -Digital images can be manipulated witout re exposure to patients -Digital images can be sent to remote locations -Digital images require less physical storage |
| BMI platforms: The computer platforms used for medical patient care purposes | -PACS -Hospital information system (HIS) -Radiology information system(RIS) -Electronic medical record (EMR) |
| Any computer platform that is designed to deal with medical purposes such as medical care, medical information, and medical research and documentation would be classified as a/an | BMI |
| The acronym __ stands for picture archiving and communication system. | PACS |
| Essential characteristics of a PACS include | -distribution and retrieval of didigital images -display of digital images -digital image storage and long term archival |
| As a result of film digitizer | -hard copy analog films can be scanned into digital format -Digitized images can be placed into a PACS -Digitized images can be networked with other DICOM images |
| The adoption of a DICOM standard in the medical imaging industry was designed to | allow various vendors to share digital data without proprientary software constraints. |
| The DICOM standard has established two classes of information. They are | service class and object class |
| DICOM service class includes | -image storage -image query -image retrieval -image print -image resource -examination |
| The service class and object class combine to form a | SOP unit |
| SOP can be related to a CT | scanner and its workstation |
| When images are sent from a CT workstation to a radiologist viewing station for interpretation, the workstation and viewing station become a SOP. In this case the __ | The work station is a provider class and viewing station is user class. |
| The health insurance portability and accountability act of 1996 HIPPA intens to | protect a patients medical information from unauthorized usage and access |
| Examples of acceptable HIPAA complaint actions include | -eliminationg all patient identifiers onan image used for a classroom presentation -keeping a patient image on display monitor as a school tour group visits the deparment. All patent identifiers have been removed from the image display. -asking colleag |
| A _ _ _ uses a laser beam that scans in a raster pattern across the film as it is transported through the digitizer. | laser beam digitizer |
| Based upon image file size, the greatest image file size would be created with _ _. | Digital mammography |
| Gray scale bit depth ranges from _ to _ bits | 8, 32 |
| Gray scale bit depth determines | the number of gray shades |
| __ connects all the computers in a system. | LAN (local area network) |
| __ is the regional or national network for digital communications. | WAN ( wide area network) |
| __ responds to light from a laser and to hear from a thermal head. | Silver based dry film |
| Soft copy display of images refers to | images displayed via a video monitor |
| Advantages of soft copy display include | -Ability to manipulate the images without re explosing the patients -multiple location viewing of the same image -variations in density of contrast -decreased number of lost films |
| The image displayed on a flat panel monitor is a | soft copy |
| __ may have resolution as high as 3 to 5 megapixels. | LCD |
Created by:
alirdz
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