ASNT INDUSTRIAL RADIOGRAPHY
RADIATION SAFETY EXAM STUDY
GUIDE 2026/2027 WITH 230
QUESTIONS AND EXPERT-VERIFIED
CORRECT ANSWERS | ALREADY
GRADED A+ | GUARANTEED PASS
An element is identified by the number of _______ in its nucleus.
a. electrons
b. protons
c. neutrons
d. photons - ANSWER-b. protons
The first indication of an extremity radiation overexposure is:
,a. reddening of the skin
b. hair loss
c. nausea
d. blisters - ANSWER-a. reddening of the skin
Gamma radiation has a shorter wavelength than visible light, therefore making it:
a. less penetrating
b. more penetrating
c. brighter
d. less stable - ANSWER-b. more penetrating
A high radiation area is defined as "an area accessible to individuals, in which they
could receive..."
a. 2 mR/h (20 uSv/h)
b. 5 mR/h (50 uSv/h)
c. 50 mR/h (500 uSv/h)
d. 100 mR/h (1000 uSv/h) - ANSWER-d. 100 mR/h (1000 uSv/h)
A radiation area is defined as "an area accessible to individuals, in which they
could receive..."
a. 2 mR/h (20 uSv/h)
b. 5 mR/h (50 uSv/h)
,c. 50 mR/h (500 uSv/h)
d. 100 mR/h (1000 uSv/h) - ANSWER-b. 5 mR/h (50 uSv/h)
A member of the public or unmonitored individual is allowed to receive up to, but
not to exceed:
a. 2 mR/h, 500 mR/year
(20 uSv/h, 5000 uSv/year)
b. 2 mR/h, 100 mR/year
(20 uSv/h, 1000 uSv/year)
c. 5 mR/h, 100 mR/year
(50 uSv/h, 1000 uSv/year)
d. 5 mR/h, 500 mR/year
(50 uSv/h, 5000 uSv/year) - ANSWER-b. 2 mR/h, 100 mR/year
(20 uSv/h, 1000 uSv/year)
When performing radiography in the field, regulations require the radiographer to
post with physical barriers or signs the:
a. restricted area
b. radiation area
c. high radiation area and radiation area
d. restricted area and the high radiation area - ANSWER-c. high radiation area and
radiation area
A restricted area is defined as an area:
, a. that is controlled and posted
b. that must be posted and where an individual may receive up to 5 mR/h (50
uSv/h)
c. that must be posted and where an individual may receive up to 100 mR/h (1000
uSv/h)
d. to which access is restricted for the purpose of controlling radiation exposure -
ANSWER-d. to which access is restricted for the purpose of controlling radiation
exposure
A radiographer and assistant are standing in a 2 mR/h (20 uSv/h) field. What
would the assistant's total dose be after 4 h?
a. 2.0 mR (20 uSv)
b. 4.0 mR (40 uSv)
c. 6.0 mR (60 uSv)
d. 8.0 mR (80 uSv) - ANSWER-d. 8.0 mR (80 uSv)
You have 24 exposures to make. Your shot time is 5 min per exposure and you're
showing 30 mR/h (300 uSv/h). What will be your total dose at the end of the shift?
a. 30 mR (300 uSv)
b. 60 mR (600 uSv)
c. 120 mR (1200 uSv)
d. 240 mR (2400 uSv) - ANSWER-b. 60 mR (600 uSv)
RADIATION SAFETY EXAM STUDY
GUIDE 2026/2027 WITH 230
QUESTIONS AND EXPERT-VERIFIED
CORRECT ANSWERS | ALREADY
GRADED A+ | GUARANTEED PASS
An element is identified by the number of _______ in its nucleus.
a. electrons
b. protons
c. neutrons
d. photons - ANSWER-b. protons
The first indication of an extremity radiation overexposure is:
,a. reddening of the skin
b. hair loss
c. nausea
d. blisters - ANSWER-a. reddening of the skin
Gamma radiation has a shorter wavelength than visible light, therefore making it:
a. less penetrating
b. more penetrating
c. brighter
d. less stable - ANSWER-b. more penetrating
A high radiation area is defined as "an area accessible to individuals, in which they
could receive..."
a. 2 mR/h (20 uSv/h)
b. 5 mR/h (50 uSv/h)
c. 50 mR/h (500 uSv/h)
d. 100 mR/h (1000 uSv/h) - ANSWER-d. 100 mR/h (1000 uSv/h)
A radiation area is defined as "an area accessible to individuals, in which they
could receive..."
a. 2 mR/h (20 uSv/h)
b. 5 mR/h (50 uSv/h)
,c. 50 mR/h (500 uSv/h)
d. 100 mR/h (1000 uSv/h) - ANSWER-b. 5 mR/h (50 uSv/h)
A member of the public or unmonitored individual is allowed to receive up to, but
not to exceed:
a. 2 mR/h, 500 mR/year
(20 uSv/h, 5000 uSv/year)
b. 2 mR/h, 100 mR/year
(20 uSv/h, 1000 uSv/year)
c. 5 mR/h, 100 mR/year
(50 uSv/h, 1000 uSv/year)
d. 5 mR/h, 500 mR/year
(50 uSv/h, 5000 uSv/year) - ANSWER-b. 2 mR/h, 100 mR/year
(20 uSv/h, 1000 uSv/year)
When performing radiography in the field, regulations require the radiographer to
post with physical barriers or signs the:
a. restricted area
b. radiation area
c. high radiation area and radiation area
d. restricted area and the high radiation area - ANSWER-c. high radiation area and
radiation area
A restricted area is defined as an area:
, a. that is controlled and posted
b. that must be posted and where an individual may receive up to 5 mR/h (50
uSv/h)
c. that must be posted and where an individual may receive up to 100 mR/h (1000
uSv/h)
d. to which access is restricted for the purpose of controlling radiation exposure -
ANSWER-d. to which access is restricted for the purpose of controlling radiation
exposure
A radiographer and assistant are standing in a 2 mR/h (20 uSv/h) field. What
would the assistant's total dose be after 4 h?
a. 2.0 mR (20 uSv)
b. 4.0 mR (40 uSv)
c. 6.0 mR (60 uSv)
d. 8.0 mR (80 uSv) - ANSWER-d. 8.0 mR (80 uSv)
You have 24 exposures to make. Your shot time is 5 min per exposure and you're
showing 30 mR/h (300 uSv/h). What will be your total dose at the end of the shift?
a. 30 mR (300 uSv)
b. 60 mR (600 uSv)
c. 120 mR (1200 uSv)
d. 240 mR (2400 uSv) - ANSWER-b. 60 mR (600 uSv)
