Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ST > Chap 17 - IT > Flashcards

Chap 17 - IT Flashcards

1
Q

Alternating current (AC)

A

Current that changes direction to complete circuit.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Ampere

A

A unit measuring the amount of energy passing a given point in a stated period of time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Amplitude

A

The height of the wave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Atom

A

A discrete unit made of matter consisting of charged particles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Boiling point

A

The temperature of a substance when its state changes from solid to liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Central Processing unit (CPU)

A

The component of a computer that contains the memory, power controls circuitry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Circuit

A

The path of free electrons as they move through a conductive material.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Coherent light waves

A

Light waves that are lined up so that the troughs peaks are matched

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Conduction

A

Transfer of heat from one substances to another by the natural movement of the molecules, which sets other molecules in motion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Conductivity

A

The relative ability of a substance to transmit free electrons or electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Convection

A

Displacement of cool air by warm air.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Database

A

A compilation of information, usually lists or numerical information that can be manipulated or calculated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Direct current (DC)

A

Low-voltage electrical current in which electrons flow in one direction to complete a circuit.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Doppler effect

A
  • The effect perceived when the origin or receiver of sound waves moves.
  • The perception is a change in the frequency of the waves & corresponding pitch.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Doppler Ultrasound

A

A medical device that uses the Doppler effect ultrasonic waves to measure and record blood flow as well as tissue density shape.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Electromagnetic waves

A

The natural phenomenon of wave energy, such as electricity, light radio broadcasts. The type of energy is determined by the frequency of the waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Element

A

A pure substance composed of atoms, each with the same number of protons (e.g., iron, copper, uranium).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Focal point

A

The exact location where light rays converge after passing through a convex lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Frequency

A

The number of waves that pass a point in 1 second, measured in hertz (Hz).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Gravitational energy

A

The natural attractive force of masses in the universe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Harmonics

A

The quality of sound related to the frequency of the sound waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Hotwire

A

Carries the electrical current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Hyperlink

A
  • Electronic link between files and electronic addresses.

* Allow easy and quick data retrieval from another network computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Insulator

A
  • Substance that does not conduct electrical current.

* Used to prevent electricity to seek another path.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Internal drives

A

Internal data storage devices of the computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Internet

A
  • A worldwide public network of computers; connected by fiber optics, satellite signals or wires.
  • Connected computers and receive and transmit data to other computers on the system.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Intranet

A
  • Computer network within facility or an organization.

* Can be accessed only by authorized personnel.

28
Q

Isotope

A

An atom of a specific element č the correct number of electrons & protons, but different neutrons.

29
Q

What is the patient-centered care?

A

Assessment, Planning & Interventions on the patient as an individual.

30
Q

What does Maslow’s chart teach us about the needs of individuals

A

The most basic requirement for life must be fulfilled in order for the higher levels to be achieved.

31
Q

Kinetic energy

A

Energy of motion.

32
Q

Magnetic field

A

3D force pattern created by + charges of a polar magnet

33
Q

Molecule

A

Specific substance made up of elements that are bonded together.

34
Q

Momentum

A

Mathematical relationship between the weight and velocity of a mass

35
Q

Neutron

A
  • Subatomic particle located in the nucleus of the atom.

* NO electrical charge.

36
Q

Nucleus

A

Centre of an atom

37
Q

Periodic table

A

Standardised chart of all known elements

38
Q

Photon

A

Name given to a light particle.

39
Q

Potential energy

A

Energy stored in form of gravity, chemical bonds, nuclear particles & mechanical springs.

40
Q

Receptacle

A
  • An outlet in an electrical circuit.

* Receives a plug containing live current, completing the circuit

41
Q

Reflection

A

•Behaviour of a wave when it reaches a nonabsorbent material. The wave reverses and is directed back toward the source

42
Q

Refraction

A

Behaviour of light, when it passes through a substance

43
Q

Resistance

A

The measurement of substance ability to inhibit the flow of electricity

44
Q

Serial lenses

A

An optical system in which several lenses are lined up to produce a clear, well-defined image. Surgical endoscopes use serial lenses.

45
Q

Solid

A
  • State of matter in which the molecules are bonded very tightly.
  • Characteristics of solids are hardness & the ability to break apart into other solids.
46
Q

4 States of Physical matter

A

i. Solid.
ii. Liquid.
iii. Gas.
iv. Plasma

47
Q

Static electricity

A

Buildup of charged particles on a surface

48
Q

Thermal conductivity

A
  • Ability of a substance to conduct heat.

* Different substances have different abilities to conduct/transmit heat.

49
Q

Thermoregulation

A

Complex physiological process in which the body maintains a temperature that is optimal for survival

50
Q

Ultrasound

A
  • Technology that uses high frequency wave energy to identify anatomical structures and anomalies (abnormal).
  • Waves are transformed into visual images on screen.
51
Q

Voltage

A

Electrical force in circuit. Measured in Volts (V).

52
Q

Wave

A

Natural phenomenon in which energy is transmitted in the forms of peaks (high points) and troughs (low points).

53
Q

Wavelength

A

Distance between peaks in a complete wave cycle

54
Q

World Wide Web

A

A network of links to data via Internet system, using special computer language protocol.

55
Q

List and define five areas of study in mechanics & physics.

A

a. Optical Physics - Any device č lens (operating microscopes, endoscopes, lasers) - Equipment that emits light (fiber optic light source). - Devices that produce an optical (not electronic) image.
b. Thermodynamics - Device that creates heat or cold (fluid warmer, patient thermal, devices, sterilizers).

c. Classic mechanics - Any instrument or device that oscillates, rotates, flexes, pivots, bends or flexes.
- Any instrument or device that uses wave energy, such as light, energy, heat & sound.

d. Biomechanics - The principles of mechanics are used to explain & improve the functions of the human body.
e. Particle, atomic physics - Any device that uses electromagnetic radiation in the form of heat, light or electricity (Ultrasound Dx device, Radiography, Fluoroscopy).

56
Q

What is “A” drive used for?

A

CD (Not Disk)

57
Q

What is “C” drive used for?

A

Hard drive

58
Q

What is not a screen resolution?

A

300 x 500

59
Q

Ctrl and =

A

Subscript Text

60
Q

Fn keys do what?

A

Shortcuts

61
Q

F7 does what?

A

Spell check

62
Q

How do you access visited internet websites?

A

History

Favourite

63
Q

Where does MS word save documents?

A

My documents

64
Q

.org

A

Non-profit

65
Q

.gov

A

Government

66
Q

Always use what sight for email?

A

@

67
Q

What do you use to protect electrical components?

A

Surge Protector.

ST (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions