rad protection dosimeters exam 2 Flashcards

(47 cards)

1
Q

measuring individual occupational dose

A

dosimetry

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2
Q

_____ is measured withh dosimeter

A

exposure

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3
Q

dosimeters detect and record exposures due to ______

A

ionization in air

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4
Q

how much radiation reaches individual

A

exposure

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5
Q

most common dosimeter

A

film badge

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6
Q

film badges are measured

A

monthly

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7
Q

film badges can detect which kind of radiation

A

xray, gamma, beta

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8
Q

sensitivity of film badge

A

10 mR-500 rem

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9
Q

filters in a film badge (2)

A

aluminum ( soft tissue) shallow
copper (bone) deep

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10
Q

radiation dose is equivalent to (for film badge)

A

density on film

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11
Q

minimal radiation dose is considered less than

A

10 mR

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12
Q

which badge is kept in box to prevent radiation exposure during transportation

A

control badge

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13
Q

sensitive to humidity, heat, fluids badge incident report

A

control badge

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14
Q

which dosimeter do we wear

A

OSL

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15
Q

when is OSL measured

A

monthly

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16
Q

OSL has what kind of filter

A

aluminum oxide (crystals)

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17
Q

what reads the OSL

A

laser beam

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18
Q

sensitivity of OSL

A

1 mrem-1000rem

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19
Q

OSL sensitive to

A

humidity, heat, moisture

20
Q

usuage on TLD

21
Q

lithium fluoride crystals

22
Q

sensitivity on TLD

A

5 mRem- 1000s REMS

23
Q

not as sensitive as OSL, but more than film badge

24
Q

pocket dosimeters are

A

most sensitive

25
detect gamma rays
pocket dosimeter
26
measures exposure in air
pocket dosimeter
27
sensitivity of pocket dosimeter
0mR-200mR
28
immediate feedback and self record
pocket dosimeter
29
measures exposure in air
ionization chamber
30
ionization chamber
gas filled chamber
31
sensitivity of ionization chamber
1mR/hr-1000s/hr
32
measures xray,beta, and gamma
ionization chamber
33
medical physisits and engineers use
ionization chamber
34
used in lab setting only
proportional counter
35
measures alpha and beta low level radioactive contaminations do not see in xray
preportion counter
36
most common in nuclear medicine
Geiger-Muller
37
detects electrons from radioactive nuclei, xray, , gamma, and beta
GMULLER
38
Metal detector like read
geiger muller
39
measures amount of radiation over time with equipment
calibration instruments
40
calibration instruments have ionization chambers called
cutie pies and dosimeters
41
which dosimeter is mopst sensitive
dosimeter
42
which is most common in nuclear
geiger-muller
43
which is most common in lab settings
proprtional
44
which is output of radiographic unit
calibration instrument
45
lost source
geiger muller
46
measures alpha beta
proportional counter
47
filters measure
penetration