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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
Q

Neutron

A

Subatomic particle located in the nucleus of the atom; no electrical charge

26
Q

Momentum

A

Mathematical relationship between weight and velocity of a mass

27
Q

Molecule

A

Specific substance made up of elements that are bonded together

28
Q

Kinetic energy

A

Energy of motion

29
Q

Isotope

A

Atom of a specific element with the correct number of electrons and protons, different number of neutrons

30
Q

Intranet

A

Computer network within a facility or a organization that can be accessed only by those employed or affiliated with an organization

31
Q

Internet

A

Worldwide public network of computers connected by wires, fiberoptic cables, or satellite signals

32
Q

Insulator

A

Substance that does not conduct electrical current and is used to prevent electricity from seeking an alternate path

33
Q

Hyperlinks

A

Electronic links between files and the electronic addresses for data associated with those links

34
Q

Harmonics

A

Quality of sound related to frequency of sound waves

35
Q

Frequency

A

Number of waves that pass through a point in 1 second; unit of measurement for frequency is the hertz (Hz)

36
Q

Focal point

A

Exact location where light rays converge after passing through a convex lens

37
Q

Element

A

Pure substance composed of atoms, each with the same number of protrons

38
Q

Electron

A

Negatively charged particle that orbits the nucleus of an atom

39
Q

Doppler ultrasound

A

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

40
Q

Direct current (DC)

A

Type of low-voltage electrical current in which electrons flow in one direction to complete a circuit; battery power uses DC

41
Q

Database

A

Compilation of information, usually lists or numerical information, can be manipulated or calculated

42
Q

Convection

A

Displacement of cool air by warm air; usually creates currents as warm air rises and cool air falls

43
Q

Conductivity

A

Relative ability of a substance to transmit free electrons or electricity

44
Q

Conduction

A

Transfer of heat from one substance to another by the natural movement of molecules; sets other molecules in motion

45
Q

Central processing unit (CPU)

A

Component of a computer that contains the circuitry, memory, and power controls

46
Q

Boiling point

A

Temperature of a substance when its state changes from a liquid to a gas

47
Q

Atom

A

Discrete unit made of matter consisting of charged particles

48
Q

Amplitude

A

Electromagnetic wave energy, the height of the wave

49
Q

Ampere

A

Unit of measuring the amount of energy passing a given point in a stated period of time

50
Q

Alternating current (AC)

A

Typer of electrical current where electricity changes direction to complete its circuit

ST1 (15 decks)

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