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RTE 005 > PART 1 > Flashcards

PART 1 Flashcards

1
Q

Actually “described by its equivalence in energy”
-The amount of matter the object contain
-does not change based on location

A

Mass

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2
Q

Is the “force exerted on a body” under the influence of gravity
-Changes based on location

A

Weight

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3
Q

Is anything that occupies space and has mass. It is the material substance with mass of which physical objects are composed.

A

Matter

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4
Q

All matter is composed of fundamental building blocks called____, which are arranged in various complex ways.

A

Atoms

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5
Q

-the ability to do work
-can exist in several forms

A

Energy

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6
Q

In the International system(SI) energy is measured in____

A

Joules

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7
Q

In Radiology the unit_____ is often used.

A

Electron Volt

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8
Q

Is the ability to do work “by virtue of position”

A

Potential Energy

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9
Q

Is the energy of motion. It is “possessed by all matter in motion”: A moving automobile, a turning windmill, a falling blade.

A

Kinetic Energy

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10
Q

Is the energy released by a chemical reaction.

A

Chemical Energy

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11
Q

Represents work that can be done when an “electron moves through an electric potential difference”.

A

Electrical Energy

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12
Q

Is the “energy of motion at the molecular level”.

A

Thermal Energy

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13
Q

Is the energy that is contained within the nucleus of an atom.

A

Nuclear Energy

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14
Q

Is the type of energy that is used in x-ray imaging. includes radio waves; microwaves; and ultraviolet light; infrared and visible light.

A

Electromagnetic Energy

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15
Q

Energy emitted and transferred through space is called

A

Radiation

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16
Q

Types of radiation

A

Ionizing Radiation (capable)
Non ionizing Radiation (incapable)

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17
Q

Those that are naturally existing. Consist of four components: cosmic rays, terrestrial radiation, internally deposited radionuclides and radon

A

Natural Environmental Radiation

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18
Q

The measurement or extent of something from end to end. The unit used is meter (m)

A

Length

19
Q

Is the quantity of matter contain by any object. The SI unit of mass is kilogram(kg)

A

Mass

20
Q

The standard unit of time is the second (s)

A

Time

21
Q

Sometimes called speed, is a “measure of how fast something is moving”, or more precisely, the rate of change of it’s position

A

Velocity
v=d/t

22
Q

“the rate of change of velocity” with time is acceleration. It is how “quickly or slowly” the velocity is changing. Because the velocity is divided by time, the unit meters per second squared(m/s^2)

A

Acceleration
a=v/t

23
Q

Can be thought of as push or pull on an object.

A

Force
F=ma

24
Q

Is a force on a body caused by the pull of gravity on it. Is the product of mass and the acceleration due to gravity.

A

Weight
W=mg

25
Q

Measure of energy transfer that occurs “when an object is moved over a distance” by an external force at least part of which is applied in the direction of the displacement. The unit of work is Joule

A

Work
W=Fd

26
Q

Is the rate of doing work. The unit of power is (Watt)

A

Power
P=W/t

27
Q

The product of the mass of an object and it’s velocity. Represented by small letter p

A

Momentum
P=mv

28
Q

Is the property of matter that acts to resist a “change in its state of motion”

A

Newton’s first law:Inertia

29
Q

The force that acts on an object is equal to the mass of the object multiplied by the acceleration (F=ma)

A

Newton’s second law: Force

30
Q

It states that for every action, there is an equal and opposite reaction.

A

Newton’s third law of motion: Action/reaction

31
Q

It is the kinetic energy transferred from photons to electrons during ionization and excitation. Is measured in joules per kilogram (J/kg) where 1 (J/kg) is 1(Gy)

A

Air kerma(Roentgen)

32
Q

It is the radiation energy absorbed per unit mass and has units of (J/kg of(Gy(

A

Absorbed dose (rad)

33
Q

Occupational Dose. Used to express the quantity of radiation received by radiation workers and population. The Sievert(Sv) is also used to express patient dose that accounts for partial body irradiation.

A

Effective dose, Sievert(Sv)

34
Q

Unit quantity of a radioactive material, not the radiation emitted by that material. 1 Becquerel(Bq) is that quantity of radioactive in which a nucleus disintegrates every second (1d/s= 1Bq)

A

Radioactivity, Becquerel(Bq)

35
Q

Are common quantities of radioactive materials

A

MBq

36
Q

Atoms that have the same number of protons or atomic number
-same element, same atomic number, different mass number

A

IsotoPe

37
Q

Elements that have the same atomic mass
-different elements that have the same number of nucleons

A

IsobAr

38
Q

Different elements that have same number of neutrons

A

IsotoNe

39
Q

Elements that have the same atomic mass and the same atomic number but differs in energy levels

A

IsoMer

40
Q

Atoms of various elements may combine to form structures called

A

Molecules

41
Q

Any quantity of one type of molecule

A

Chemical compound

42
Q

Excited state

A

Metastable

43
Q

Stable state, energy state is often called

A

Ground State

RTE 005 (2 decks)

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