rad bio ch 25 and CH 38

Question 1

Fluro entrance skin dose

Answer 1

adult 30 to 50 mGyt/min ( 3 to 5 r/min)

Question 2

most common skin dose in fluro

Answer 2

100mGyt ( 10 rad)

Question 3

exposure rate

Answer 3

maXtimeXKvp

- want in mins but could be in secs and needs be converted

Question 4

ESD rate should not exceed

Answer 4

100mGyt/min (10 r/min)

Question 5

Ave whole body dose

Answer 5

0.7 mSv/yr

Question 6

dose limits imply that if received annually, the risk of death would be less than _____ in ____

Answer 6

1 in 10,000

Question 7

current dose limits are based on _____, ____ dose relationship: they represent the acceptable level of occupational rad exposure

Answer 7

linear, nonthreshold

Question 8

dose limit established for nonoccupational exposed persons is ___ of rad workers

Answer 8

1/10

Question 9

each mobile xray should have __

Answer 9

apron

Question 10

exposure chord on portable unit should be ____

Answer 10

2m long

Question 11

____ beam should not be pointed to the operating system

Answer 11

useful

Question 12

occupational monitoring is required when there is any likelihood that an individual will receive more than ___ recommended dose

Answer 12

1/10

Question 13

film badges must be worn in ___

Answer 13

side to front

Question 14

tlds can be worn for intervals up to ____ yr

Answer 14

1 yr

Question 15

in fluro, monitor must be worn on ____ of the apron

Answer 15

above , on the collar

Question 16

control monitor measure background exposure ( 3)

Answer 16

transportation
handling
storage

Question 17

____mm lead equiv protective aprons are used

Answer 17

0.5

Question 18

pregnant tech must wear ___ monitors

Answer 18

2

• themselves
• fetus

Question 19

dose limit

Answer 19

50 msv/year ( 5000 rem)