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Rad Science 1 > Dose Limits > Flashcards

Dose Limits Flashcards

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1
Q

What is the purpose of radiation protection?

A

prevent radiation induced health issues
adhere to dose limits beneath threshold levels
limit risks of randomly occurring health issues

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2
Q

For the test:

A

Calculator
math, matching, multiple choice
MEMORIZE: different dose monitors, survey instruments, Chapter 4 (diff doses, factors definitions), LNT, RBT, rad/rem/roengten, how to do math, agencies (categorize into regulatory or advisory)

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3
Q

monthly Dose Limit for pregnancy

A

0.5 mSv

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4
Q

Dose limit for entire gestation of pregnancy

A

5 mSv

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5
Q

How long is an entire gestation pregnancy considered for radiation monitoring (with declaration)?

A

10 months

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6
Q

Occupational annual/yearly dose limit for body

A

50 mSv

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7
Q

Occupational annual/yearly dose limit for eyes

A

150 mSv

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8
Q

occupational annual/yearly dose limit for skin

A

500 mSv

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9
Q

Where are dose monitor(s) worn during pregnancy

A

Collar (outside of lead)
Waist (inside of lead)

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10
Q

What does TLD stand for?

A

Thermoluminescent Dosimeter

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11
Q

List several characteristics of TLD moniters?

A

Lithium fluoride crystals
read by heating the crystals
crystals release light

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12
Q

What are disadvantages of TLD monitors?

A

sensitive to heat (hot car)
can only be read once

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13
Q

What does OSL stand for?

A

Optically Stimulable Luminescent Dosimeter

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14
Q

List several characteristics of OSL monitors?

A

Aluminum Oxide crystals
crystals are exposed to laser to be read
crystal releases light

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15
Q

What are advantages of OSL monitors?

A

more sensitive to radiation, reads lower doses
does not fade from heat or light
can be reprocessed and read multiple times

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16
Q

What are disadvantages of OSL monitors?

A

Expensive

17
Q

How often are dose reports made available?

A

quarterly

18
Q

Who must review dose reports?

A

physicist

19
Q

What is the unit of measure on a dose report?

A

mSv

20
Q

How do you calculate a lifetime effective dose limit?

A

Age x 10mSv

21
Q
A

Rad Science 1 (11 decks)

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