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Nuclear Med Class 2024 > Study Set Test 1 Pharmacy > Flashcards

Study Set Test 1 Pharmacy Flashcards

1
Q

Isotopes have the same # of ?

A

Protons

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2
Q

Isotopes will have different number of ?

A

Neutrons

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3
Q

Isotopes will belong to the same ?

A

Element

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4
Q

Isotopes mass number will be ?

A

Different

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5
Q

Isobars have the same number of ?

A

Nucleons

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6
Q

Isobars have the same______ &______ ?

A

Mass number & Atomic number

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7
Q

Isobars will belong to a different?

A

Element

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8
Q

Isotopes the mass number increases by what ?

A

1

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9
Q

Isobars the protons increase or decrease?

A

Increase

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10
Q

Isobars the neutrons _______?

A

Decrease

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11
Q

Isotones have the same number of ?

A

Neutrons

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12
Q

Isotones will belong to a different?

A

Element

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13
Q

Isotones will have different number of _______ and ______?

A

Protons and Nucleons

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14
Q

Isotones the ____ will increase ?

A

Protons

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15
Q

Isomers have the same number of ?

A

Protons and neutrons

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16
Q

Isomers have the same element ? T/F

A

True

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17
Q

Isomers only differ by ?

A

Energy

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18
Q

Four Classification of nuclides?

A

Isotopes
Isobars
Isotones
Isomers

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19
Q

What are the different types of radiation?

A

Alpha/Beta/Positron/Electron Capture/Isomeric/Fission

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20
Q

Alpha is the slowest and least penetrating due to its :

A

Size

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21
Q

Alpha radiation is

A

A particle it has mass

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22
Q

Alpha is emitted from the :

A

Nucleus of an atom

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23
Q

As the size of radiation increases, penetration and speed ?(Alpha)

A

Decrease

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24
Q

An Alpha particle will only travel_____ in the air can be stopped by ______?

A

3cm, a piece of paper

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25
Q

Alpha particle contains an average of _______ of energy?

A

4 MeV

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26
Q

Beta is actually a high speed electron coming from the …

A

Nucleus

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27
Q

Beta is ______ the size and weight of Alpha?

A

Half

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28
Q

Beta is a little faster and more penetrating than _____ particle?

A

Alpha

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29
Q

______ can be stopped several meters in the air and can be stopped by a few cm of tissue or small piece of wood.

A

Beta

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30
Q

____ is not as big as ____?

A

Beta, Alpha

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31
Q

Positron B+ is a high speed ______ coming from the nucleus

A

Electron

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32
Q

_______ has the same properties of Beta

A

Positron B+

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33
Q

Gamma Ray is not a ?

A

Particle

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34
Q

______ has no physical size or discernible mass to it.

A

Gamma ray

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35
Q

Gamma rays originate from ?

A

Nucleus

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36
Q

Fastest form of radiation? Can travel the speed of light

A

Gamma Ray

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37
Q

Highly penetrating can go through skin and body tissue and take several feet of concrete to stop

A

Gamma ray

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38
Q

Virtually identical to gamma ray

A

X rays

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39
Q

Originate from the orbital shells outside the nucleus

A

X rays

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40
Q

T1/2 equals

A

Physical half life

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41
Q

The time required for a radionuclide to decay to half of its activity.

A

Physical half life

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42
Q

Ex: If a sample of 99mTc had 100 mCi at 6 am it would have _____ at noon?

A

50 mCi

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43
Q

MCI =

A

Millicuries

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44
Q

The time it takes for ____% of a radiopharmaceutical to leave the body via normal physiologic functions is ?

A

50/Biologic half life

45
Q

Physiologic Functions include:

A

Feces/Urine/Vomit/Sweat/Breathing

46
Q

Tb1/2 equals

A

Biologic half life

47
Q

This will vary for every radiopharmaceutical and individual person…. What am I?

A

Biologic half life

48
Q

The time it take for ____% of radiopharmaceutical to leave the body via normal physiologic and decay of the radionuclide.

A

Effective half life

49
Q

Te1/2 equals

A

Effective half life

50
Q

This is always less than tb1/2 and t1/2

A

Te1/2

51
Q

Formula of half life equals

A

1/te1/2 =1/Tp1/2 + 1/tb1/2

52
Q

A nuclide that is unstable is

A

Radionuclide

53
Q

To achieve stability and nuclide must undergo… a stable ratio is N/Z

A

Decay

54
Q

Six ways a radionuclide can decay ?

A

Alpha/Beta/Positron/EC/Isomerism/Fission

55
Q

Beta Decay is _____ rich

A

Neutron( add proton)

56
Q

Positron Decay is _______ rich?

A

Proton( subtract - proton)

57
Q

Electron capture is _____ rich

A

Proton ( subtract proton)

58
Q

Alpha Decay usually occurs in heavy ______

A

Nuclei atomic number is usually 85 and higher ex:radon

59
Q

When a radionuclide decays by _____ it emits a heavy charged particle which is ____ and ____?

A

Alpha /2 protons and 2 neutrons

60
Q

Alpha is a ____?

A

Helium

61
Q

What energy is given off in the form of antineutrino or v~

A

Beta

62
Q

A neutron is converted to a proton ?

A

Beta

63
Q

Antinineurto is a particle with ?

A

No charge it carries away excess energy

64
Q

The particle emitted is e+ what am I ?

A

Positron

65
Q

Neutrino is used in ?

A

Positron and EC

66
Q

Character x rays are emitted from the shells outside the nucleus in this decay

A

Electron Decay

67
Q

The nucleus captures an electron and combines with a proton to make a neutron

A

Electron Capture

68
Q

When Electron capture happens it takes from the closest shell T/F

A

True

69
Q

Parameters for electron capture to occur

A

The energy difference between parent and daughter radionuclide are less than 1.02 MeV

70
Q

Energy difference greater than 1.02 MeV usually by

A

Poistron

71
Q

The probability of EC occurring increases with ?

A

2 protons

72
Q

Isomeric transition

A

Occurs when the nucleus of a radionuclide is in an excited state

73
Q

Also referred to gamma decay is ?

A

Isomerism transition

74
Q

When the isomeric state decays to a lower excited state is

A

Isomeric Transition

75
Q

Remaining in an excited state

A

Metastable state

76
Q

When a radionuclide decays by IT is gives off a

A

Gamma ray

77
Q

Isomerism can occur by itself or by

A

Beta/positron/ec

78
Q

Internal Conversion

A

Makes a conversion electron or an auger electron

79
Q

Occurs in radionuclides with a heavy nucleus

A

Fission

80
Q

Fission fragments

A

2 fragments

81
Q

Fission makes how many neutrons

A

2 to 3 neutrons

82
Q

Energy of fission is

A

200-400 MeV

83
Q

Probability of Fission is …

A

Low

84
Q

Decay schemes will display

A

Modes and frequency of decay/process of decay/energy of different radiation emitted/half life

85
Q

All positrons and EC decay by which arrow

A

Decay arrow to the left

86
Q

Beta decay scheme

A

Decays with arrow pointing to the right

87
Q

All Gamma decay scheme is

A

Arrow down 180 degree

88
Q

A nucleus in an excited state has_________ lines above ground

A

Horizontal

89
Q

The radioactivity per unit mass of a radionuclide or radiopharmaceutical.

A

Specific Activity

90
Q

Is commonly used in production of radionuclides

A

Specific activity

91
Q

mCi/mg , MBq/mg , Ci/g

A

Specific Activity is defined by activity/weight

92
Q

Always express specific activity in _____ form

A

Lowest

93
Q

The radioactivity per unit volume of a radionuclide or radiopharmaceutical.

A

Activity concentration

94
Q

Is commonly used when referring to radiopharmaceutical doses or activity taken from a generator.

A

Activity Concentration

95
Q

Defined as activity/volume

A

Activity concentration

96
Q

mCi/ml is the most common form

A

Activity concentration

97
Q

Injected into patients for diagnostic and theraputic purposes

A

Radioactive drugs

98
Q

Originally called :

A

Radio tracers they are radioactive drugs that traces a pattern throughout the body

99
Q

Emits the radiation from the radiopharmaceutical?

A

Radionuclide

100
Q

Exhibits a response on the body to direct the radiopharmaceutical to its origin of the body

A

Pharmactical

101
Q

The size of an atom

A

10-8 cm or 1 angstrom

102
Q

The size of the nucleus is

A

10-13 or 1 fermi

103
Q

Nuclei containing 2/8/20/50/82

A

Magic numbers

104
Q

Electron Mass

A

9.1x10-31 kg

105
Q

Protons Mass

A

1.67x-27kg

106
Q

Neutron Mass

A

1.67x-27 kg

107
Q

Protons energy

A

+1.6x10-19 coulombs

108
Q

Electrons energy

A

-1.6x10-19 coulombs

Nuclear Med Class 2024 (14 decks)

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