Page 1 of 20
IRRSP PRACTICE TEST EXAM NEWEST 2026 ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL ANSWERED
{50 Q & A} ALREADY GRADED A+ | 100%
GUARANTEED PASS
An Iridium-192 source that was originally 110 Curies has decayed
for 222 days. At what distance from the source should a
radiographer place the "Restricted Area" boundary?
a. 189.1 feet
b. 411.1 feet
c. 119.6 feet
d. 534.8 feet - ✔✔✔ Correct Answer > 189.1 feet
The primary reason over-exposures to radiography personnel
occur is due to:
(Answer with A, B, C, or D)
a. Insufficient training in the handling and use of radiation
exposure devices and x-ray generators
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b. Malfunctions of exposure devices and associated equipment or
x-ray generators
c. Radiography personnel failing to perform required surveys
after radiographic exposures
d. Survey meter malfunctions - ✔✔✔ Correct Answer > C
Radiation detection instruments measure exposure to radiation
based on the principal of:
a. The inverse square law
b. Mitosis
c. Attenuation
d. Ionization - ✔✔✔ Correct Answer > Ionization
Before the first radiographic exposure, a radiographer performs
a reference survey of his exposure device containing 100 Curies
of Iridium-192. During this survey, he observes a zero reading on
his survey meter. The radiographer should:
(Answer with A, B, C, or D)
a. Proceed with radiographic operations as a zero reading
indicates a safe radiation level
b. Assume the exposure device is empty based on the survey
c. Expose the source and perform more surveys to confirm the
survey meter responds
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d. Assume the survey meter is not working properly. The
exposure device must be surveyed with another survey meter -
✔✔✔ Correct Answer > D
A radiographer discovers that his pocket dosimeter is "off scale"
during a lunch break. The radiographer should:
(Answer with A, B, C, or D)
a. Obtain a replacement pocket dosimeter before returning to
work
b. Assume that he bumped the pocket dosimeter while working
and continue radiographic operations
c. Immediately stop all work with radiation, notify the RSO or
designee and send the film badge or TLD out for emergency
processing within 24 hours
d. Re-zero the pocket dosimeter before returning to work - ✔✔✔
Correct Answer > C
By regulations, survey meters that are utilized in radiographic
operations must be capable of measuring a range of:
(Answer with A, B, C, or D)
a. 10 mR/hr-1000 mR/hr
b. 0 mR/hr-500 mR/hr
c. 2 mR/hr-1000 mR/hr
d. 5 mR/hr-1 R/hr - ✔✔✔ Correct Answer > C
IRRSP PRACTICE TEST EXAM NEWEST 2026 ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL ANSWERED
{50 Q & A} ALREADY GRADED A+ | 100%
GUARANTEED PASS
An Iridium-192 source that was originally 110 Curies has decayed
for 222 days. At what distance from the source should a
radiographer place the "Restricted Area" boundary?
a. 189.1 feet
b. 411.1 feet
c. 119.6 feet
d. 534.8 feet - ✔✔✔ Correct Answer > 189.1 feet
The primary reason over-exposures to radiography personnel
occur is due to:
(Answer with A, B, C, or D)
a. Insufficient training in the handling and use of radiation
exposure devices and x-ray generators
,Page 2 of 20
b. Malfunctions of exposure devices and associated equipment or
x-ray generators
c. Radiography personnel failing to perform required surveys
after radiographic exposures
d. Survey meter malfunctions - ✔✔✔ Correct Answer > C
Radiation detection instruments measure exposure to radiation
based on the principal of:
a. The inverse square law
b. Mitosis
c. Attenuation
d. Ionization - ✔✔✔ Correct Answer > Ionization
Before the first radiographic exposure, a radiographer performs
a reference survey of his exposure device containing 100 Curies
of Iridium-192. During this survey, he observes a zero reading on
his survey meter. The radiographer should:
(Answer with A, B, C, or D)
a. Proceed with radiographic operations as a zero reading
indicates a safe radiation level
b. Assume the exposure device is empty based on the survey
c. Expose the source and perform more surveys to confirm the
survey meter responds
, Page 3 of 20
d. Assume the survey meter is not working properly. The
exposure device must be surveyed with another survey meter -
✔✔✔ Correct Answer > D
A radiographer discovers that his pocket dosimeter is "off scale"
during a lunch break. The radiographer should:
(Answer with A, B, C, or D)
a. Obtain a replacement pocket dosimeter before returning to
work
b. Assume that he bumped the pocket dosimeter while working
and continue radiographic operations
c. Immediately stop all work with radiation, notify the RSO or
designee and send the film badge or TLD out for emergency
processing within 24 hours
d. Re-zero the pocket dosimeter before returning to work - ✔✔✔
Correct Answer > C
By regulations, survey meters that are utilized in radiographic
operations must be capable of measuring a range of:
(Answer with A, B, C, or D)
a. 10 mR/hr-1000 mR/hr
b. 0 mR/hr-500 mR/hr
c. 2 mR/hr-1000 mR/hr
d. 5 mR/hr-1 R/hr - ✔✔✔ Correct Answer > C
