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Fluoroscopy
Dosimeters
NCRP #116
100
The Bucky slot cover is a minimum of __ mm lead equivalent?

.25 mm

100

Which dosimeter is accurate as low as 100 uGya?

film badge

100

According to NCRP#116, what is the embryo or fetus equivalent limit per month?

0.5 mSv

200

Lead aprons used in fluoroscopy must be at least?

.25 mm lead equivalent (MUST be, not SHOULD be)

200
Which dosimeter is accurate for as low as 50 uGya?

TLD

200

According to NCRP #116, the annual occupational effective dose limit is?

50 mSv

300
The timer used in fluoroscopy alerts the fluoroscopist after how many minutes?

5 minutes of elapsed fluoroscopic time

300
Which dosimeter is used for 3 months at a time?

TLD

300

According to NCRP #116, what is the annual effective dose limit for radiography student older than age 18?

50 mSv

400
What type of exposure switch do fluoroscopic equipment have?

Dead-man switch

400

Which dosimeter uses aluminum oxide to record dose?

OSL

400

According to NCRP #116, what is the annual effective dose limit for the general public, assuming frequent exposure?

1.0 mSv

500

Limit use of high-level control fluoroscopy should be no more than ___ mGy per minute?

200

500

How often are film badges usually changed?

once a month

500

according to NCRP #116, what is the annual effective dose limit for the general public, assuming infrequent exposure?

5 mSv