Half lives Flashcards by Adriene Eastaway

Q

what is the equation for effective half life?

A

1/effective half life = 1/biologic half life + 1/physical half life

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Q

Thallium- 201 half life

A

3 days (73 hr)

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Q

3 days (73 hr) half life

A

thallium 201

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Q

Tc-99m half life

A

6 hours

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Q

6 hour half life

A

Tc-99m

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Q

I-131 half life

A

8 days

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Q

8 day half life

A

I-131

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Q

I-123 half life

A

13 hours

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Q

13 hour half life

A

I-123

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Q

Xe-133 biologic half life

A

30 seconds

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Q

Xe-133 half life

A

125 hours

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Q

In-111 half life

A

3 days (67 hours)

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Q

Ga-68 half life

A

68 min

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Q

Ga-67 half life

A

3 days (78 hours)

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Q

F-18 half life

A

110 min

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Q

110 min half life

A

F-18

Q

68 min half life

A

Ga68

Q

67 hour half life

A

In-111

Q

Krypton-81

A

13 s

Q

Molybdenum-99

A

67hr

Q

Carbon-11

A

20.3 min

Q

N-13

A

10 min

Q

O-15

A

124 seconds

Q

Rb-82

A

1.27 min

Q

Yttrium-90

A

64 hr

Q

Phosphorus-32

A

14.3 d

Q

Strontium-89

A

50.5 d

Q

Samarium-153

A

46hr

Q

radium 223

A

11 days

Q

50.5 d

A

Strontium-89

Q

46hr

A

Samarium -153

Q

11 days

A

Radium-223

Q

270 days

A

germanium-68

Q

germanium-68

A

270 days

Q

Cobalt-57

A

270.9 days

Q

270.9 days

A

Cobalt-57