Ch 17

PET

Positron emission tomography

Firewall

Protective programs that limit the ability of other computers to access a computer

Identify the 4 things that are needed to obtain access to the internet.

-Computer -Modem -Service Provider -Browser

4 things that can lead to a loss of information and damage to the software and hardware of a computer

-Electrical surges -Viruses -Power outages -Hackers

List 3 types of attachments a health care worker might send by electronic mail.

-Files created in word -Insurance forms completed with insurance software -X-rays or radiographic images

Name 4 general areas of health care that use computers.

-Hospital Information Systems (HIS) -Diagnostic Testing -Educational Tools -Research

6 input devices that can be used to enter data into the computer

-Magnetic tape -Mouse -Touch Screen monitor -Optical scanner -Light pen -Computer Keyboard

Name 2 output devices.

-Printer -Cathode-ray tube

List at least 8 commonly used items that contain computer chips.

-Watches -Cameras -Telephones -Thermometers -Blood Pressure Guages -Cars -Satellite Navigation Equipment -Stoves

5 functions computers performed by healthcare providers.

-Word Processing -Scheduling -Monitoring patients -Compiling databases -Maintaining financial records

Computer Literacy

A basic understanding of how the computer works and a basic understanding of the applications used in your field of profession.

What is the difference between the read only memory and the random access memory in the internal memory unit of a computer?

A read only memory is a permanent program already built and stored in the computer system by the manufacturer of the computer. A random access memory is a program that is not permanent because data can be stored, charged, and retrieved.

Identify the following: A.Use of video, audio, and computer systems to provide medical and/or health care services B.Use computerized dispensing units to dispense medications rapidly C.A practice that allows patients to communicate with a physician by electronic mail.

A.Telemedicine B.Telepharmacies C.Virtual Communities

What is the function of the central processing unit of the computer?

CPU processes all information or data entering the computer.

A computer can:

Calculate, store, sort, update, manipulate, sequence, organize, and process data.

CRT

Cathode ray tube

CPU

Central processing unit

CAI

Computer assisted instruction

CT

Computerized Tomography

What advantage does computerized tomography have over regular X-rays?

Computerized x-ray permits physicians to see clear, cross-sectional views of both bone and body tissues and to find abnormalities such as tumors.

How do computer viruses gain access to a computer?

Downloading information from the internet, opening emails, or using disks or tapes that contain viruses.

A computer system is a _______ device that can be thought of as a complete _____.

Electronic, information processing center.

Output

Finished work of the computer. Occurs after the data have been processed by the CPU.

Difference between hardware and software.

Hardware consists of the machine components, including the keyboard, central processing unit, disk drive, and monitor with display screen. Software consists of the programs, or instructions, that run the hardware and allow the computer to perform specific tasks.

HIS

Hospital information systems

Roman numerals

I=1 V=5 X=10 L=50 C=100 D=500 M=1000

How does ultrasonography create an image of a body part, such as in a developing fetus?

It uses high-frequency sound waves that bounce back as an echo when they hit different tissues and organs inside the body. A computer then used sound wave signals to create a picture of the body part, which can be viewed on a computer screen or processed on a photographic film that resembles a radiograph.

What is a major use for the internet in health care?

One major use related to organ transplants. When an individual needs a transplant, vital information regarding the individual is recorded on the transplant network. The computer monitors all organs as they become available, and can immediately notify the online facility when an organ is suitable for a particular patient.

MRI

Magnetic resonance imaging

MIS

Medical information systems

How can confidentiality be maintained while using a computer for patient records?

Most databases that contain patient records are access limited or password protected to maintain patient confidentiality.

_____ allow multiple users to share the same data or information at the same time. They also allow rapid _____ between individuals.

Networks, communication

RAM

Random Access Memory

ROM

Read only memory

What is electronic mail?

The process of creating and sending messages from one computer to another.