CDPH Fluoroscopy Regulations (study guide)
UPDATED ACTUAL Questions and
CORRECT Answers
The minimum source to skin distance for mobile fluoroscopic units is?
A. 12 inches
B. 15 inches
C. 6 inches
D. 30 inches - CORRECT ANSWER - 12 inches
What is significant about increasing the SSD to 5 inches? - CORRECT ANSWER - 30%
ESE reduction
The exposure rate of modern fluoroscopy equipped with ABC but no "boost" position, the
exposure as measured at the table top shall not exceed:
a. 2.2 rads/min
b. 2.5 rads/min
c. 10 rads/min
d. 5 rads/min - CORRECT ANSWER - 10 rads/min
——- allowance for mobile fluoroscopy - CORRECT ANSWER - 10 rads/min exposure
rate
——- allowance for stationary fluoroscopy - CORRECT ANSWER - 5 rads/ min exposure
rate
Total leakage allowance per hour - CORRECT ANSWER - 100 mR/1hr @1m
, 1. Shield personnel and public from the primary beam
2. Perpendicular to the primary beam - CORRECT ANSWER - Primary barrier
Thickness of primary barrier - CORRECT ANSWER - /16 inch thick lead
1. Shield scatter and leakage
2. // to the beam - CORRECT ANSWER - secondary barrier
Thickness of secondary barrier - CORRECT ANSWER - 1/32 inch thick
Fluoroscopic image receptor assembly - CORRECT ANSWER - Fluoro primary protective
barrier
Thickness of fluoro primary Barrier - CORRECT ANSWER - 2 mm on
An exposure border must be visible on the image monitor, when the image intensifier is ———-
above the table - CORRECT ANSWER - 14 inches
Lead gloves and shields should be tested on a ——— basis - CORRECT ANSWER -
Annually
How long does the cumulative timer allowance for fluoro should be set at? What happens if you
go pass the time allowed - CORRECT ANSWER - 5 min/ audible signal
How wide is the bucky slot cover? (cm) and lead equivalent (mm) of pb - CORRECT
ANSWER - 5 cm/2 mm pb
1. Protective apparel
2. Minimum lead equivalent
UPDATED ACTUAL Questions and
CORRECT Answers
The minimum source to skin distance for mobile fluoroscopic units is?
A. 12 inches
B. 15 inches
C. 6 inches
D. 30 inches - CORRECT ANSWER - 12 inches
What is significant about increasing the SSD to 5 inches? - CORRECT ANSWER - 30%
ESE reduction
The exposure rate of modern fluoroscopy equipped with ABC but no "boost" position, the
exposure as measured at the table top shall not exceed:
a. 2.2 rads/min
b. 2.5 rads/min
c. 10 rads/min
d. 5 rads/min - CORRECT ANSWER - 10 rads/min
——- allowance for mobile fluoroscopy - CORRECT ANSWER - 10 rads/min exposure
rate
——- allowance for stationary fluoroscopy - CORRECT ANSWER - 5 rads/ min exposure
rate
Total leakage allowance per hour - CORRECT ANSWER - 100 mR/1hr @1m
, 1. Shield personnel and public from the primary beam
2. Perpendicular to the primary beam - CORRECT ANSWER - Primary barrier
Thickness of primary barrier - CORRECT ANSWER - /16 inch thick lead
1. Shield scatter and leakage
2. // to the beam - CORRECT ANSWER - secondary barrier
Thickness of secondary barrier - CORRECT ANSWER - 1/32 inch thick
Fluoroscopic image receptor assembly - CORRECT ANSWER - Fluoro primary protective
barrier
Thickness of fluoro primary Barrier - CORRECT ANSWER - 2 mm on
An exposure border must be visible on the image monitor, when the image intensifier is ———-
above the table - CORRECT ANSWER - 14 inches
Lead gloves and shields should be tested on a ——— basis - CORRECT ANSWER -
Annually
How long does the cumulative timer allowance for fluoro should be set at? What happens if you
go pass the time allowed - CORRECT ANSWER - 5 min/ audible signal
How wide is the bucky slot cover? (cm) and lead equivalent (mm) of pb - CORRECT
ANSWER - 5 cm/2 mm pb
1. Protective apparel
2. Minimum lead equivalent
