RAD EXPOSURES: Chapter 9 Flashcards
What does computer technology deal with?
The structure and function of a computer, and how it can be used.
Digital devices must be able to communicate with each other regarding images and textual information, and this function requires the use of__.
IT (Information Technology)
__involves the use of two major technologies, computer technology and communications, to solve problems in society.
IT (Information Technology)
Distinguish between input and output. What does each use?
Input-data entry using hardware devices; (keyboard or mouse)
Output-computer processing can be displayed on monitors for viewing by a human observer; (processed and displayed on a monitor)
What is a modem? What is it used for?
sends and receives signals from computers by converting a digital signal from the computer (modulate) into an analog signal
What does informatics refer to?
process of changing data into information; computers and communications technologies are central elements to the process
According to Chapter 9, what is PACS and what is it used for?
picture archiving and communication; common place for digital imaging . This’ a routine part of the duties of the technologist. An information technology (IT) system for transmission and storage of medical images…“and as an IT system of components
Display systems in a PACS environment fall into what 2 categories?
cathode-ray-tubes (CRTs)
liquid crystal display (LCDs)
What is an information system and what is it used for?
computer-based system that collects and processes data; provides users with information needed for problem solving and decision making
What is order entry and what is it also known as?
Requested radiology examinations ordered by physicians, entered into the system. A.k.a registration of patients.
What is EHR as defined in the text?
electronic health record
What does an interface do?
serves to connect systems so they can exchange data
What is mapping?
Process that defines terms in one system that are associated with comparable terms in another system.
What is IHE initiative? When does it date back to?
Integrating Healthcare Enterprise (IHE); 1998
What does the National Information Systems Security define Information security?
Protects information systems against unauthorized access to modification of information, whether in storage, processing or transit and against the denial of service to authorized users.
