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ST1 > Week 13 Terms > Flashcards

Week 13 Terms Flashcards

1
Q

Trans

A

Across, through

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2
Q

Sub

A

Below, under

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3
Q

Retro

A

Behind

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4
Q

Peri

A

Surrounding, around

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5
Q

Hyper

A

Excessive, above, more than normal

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6
Q

Ex

A

Out, outside of, outward

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7
Q

Epi

A

Above, upon

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8
Q

Endo

A

Within

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9
Q

World Wide Web

A

Network of links to data via an Internet system

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10
Q

Wavelength

A

Distance between peaks in a complete wave cycle

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11
Q

Wave

A

Naturally occurring phenomenon in which energy is transmitted in the form of peaks and trough

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12
Q

Voltage

A

Electrical force in a circuit; measures as the amount of force that passes a given point over a stated period

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13
Q

Ultrasound

A

Technology that uses high-frequency wave energy to identify anatomical structures and anomalies

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14
Q

Thermoregulation

A

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

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15
Q

Thermal conductivity

A

Ability of a substance to conduct heat

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16
Q

State of matter

A

Physical forms of matter; 4 states of matter are gas, liquid, solid, plasma

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17
Q

Solid

A

State of matter in which molecules are bonded very tightly

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18
Q

Resistance

A

Measurement of substances ability to inhibit the flow of electricity

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19
Q

Refraction

A

Behavior of light as it passes through a substance

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20
Q

Reflection

A

Behavior of a wave when it reaches a nonabsorbant material; wave reverses and is directed back toward the source

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21
Q

Plasma

A

Gaseous state in which atom’s nucleus becomes separated from the electrons

22
Q

Photon

A

Name give to a light particle

23
Q

Periodic table

A

Standardized chart of all known elements

24
Q

Nucleus

A

Center of an atom

25
Neutron
Subatomic particle located in the nucleus of the atom; no electrical charge
26
Momentum
Mathematical relationship between weight and velocity of a mass
27
Molecule
Specific substance made up of elements that are bonded together
28
Kinetic energy
Energy of motion
29
Isotope
Atom of a specific element with the correct number of electrons and protons, different number of neutrons
30
Intranet
Computer network within a facility or a organization that can be accessed only by those employed or affiliated with an organization
31
Internet
Worldwide public network of computers connected by wires, fiberoptic cables, or satellite signals
32
Insulator
Substance that does not conduct electrical current and is used to prevent electricity from seeking an alternate path
33
Hyperlinks
Electronic links between files and the electronic addresses for data associated with those links
34
Harmonics
Quality of sound related to frequency of sound waves
35
Frequency
Number of waves that pass through a point in 1 second; unit of measurement for frequency is the hertz (Hz)
36
Focal point
Exact location where light rays converge after passing through a convex lens
37
Element
Pure substance composed of atoms, each with the same number of protrons
38
Electron
Negatively charged particle that orbits the nucleus of an atom
39
Doppler ultrasound
Medical device that uses the Doppler effect and ultrasonic waves to measure and record blood flow as well as tissue density and shape
40
Direct current (DC)
Type of low-voltage electrical current in which electrons flow in one direction to complete a circuit; battery power uses DC
41
Database
Compilation of information, usually lists or numerical information, can be manipulated or calculated
42
Convection
Displacement of cool air by warm air; usually creates currents as warm air rises and cool air falls
43
Conductivity
Relative ability of a substance to transmit free electrons or electricity
44
Conduction
Transfer of heat from one substance to another by the natural movement of molecules; sets other molecules in motion
45
Central processing unit (CPU)
Component of a computer that contains the circuitry, memory, and power controls
46
Boiling point
Temperature of a substance when its state changes from a liquid to a gas
47
Atom
Discrete unit made of matter consisting of charged particles
48
Amplitude
Electromagnetic wave energy, the height of the wave
49
Ampere
Unit of measuring the amount of energy passing a given point in a stated period of time
50
Alternating current (AC)
Typer of electrical current where electricity changes direction to complete its circuit

ST1 (15 decks)

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