IRRSP Exam Questions and answers 2025.

IRRSP Exam Questions and answers 2025



1. .In .the .early .years .of .Radiography, .what .caused .personnel .to .be
.overexposed?


A. .Poor .equipment .design .
B. .Lack .of .understanding
C. .Lack .of .and .poor .safety .practices
D. .All .the .above .- .CORRECT .ANSWER-CHAPTER .1

D. .All .the .above

2. .In .what .year .did .Marie .Curie .discover .Radium?

A. .The .beginning .of .1896
B. .The .end .of .1897
C. .The .beginning .of .1898
D. .Late .in .1898 .- .CORRECT .ANSWER-D. .Late .in .1898

3. .Who .coined .the .term .Radioactivity

A. .Marie .and .Pierre .Curie
B. .Henry .Becquerel
C. .Ernest .Rutherford .
D. .Wilhelm .Roentgen .- .CORRECT .ANSWER-A. .Marie .and .Pierre .Curie

4. .In .the .early .years .of .radiography .from .1920-1930, .the .maximum .thickness
.that .could .be .inspected .via .x-radiation .was________ .of .steel?


A. .1 .in. .(2.54cm)
B. .2 .in. .(5.08 .cm)
C. .3 .in. .(7.62 .cm)
D. .10 .in. .(25.4 .cm) .- .CORRECT .ANSWER-C. .3 .in .(7.62 .cm)

5. .Historically, .it .has .been .proven .that .the .predominant .cause .of .overexposure
.is:


A. .Improper .surveys .

B. .Th .source .being .left .in .an .uncontrolled .state

, C. .The .source .not .being .locked .once .retracted .to .the .shielded .position.

D. .All .of .the .above .- .CORRECT .ANSWER-D. .All .of .the .above

6. .The .responsibility .to .adhere .to .the .regulations, .license .conditions .and
.company .policies .falls .to:


A. .The .radiographer
B. .The .assistant .radiographer .
C. .The .Radiation .Safety .Officer
D. .All .radiation .workers .- .CORRECT .ANSWER-A. .The .radiographer

7. .Alpha .particles .were .discovered .by:

A. .Marie .Curie
B. .Pierre .Curie
C. .Ernest .Rutherford
D. .Henri .Becquerel .- .CORRECT .ANSWER-C. .Ernest .Rutherford

8. .The .first .medical .X-ray .was .conducted .at:

A. .Berlin .Memorial .Hospital
B. .Oslow .General
C. .Boston .General
D. .Massachusetts .General .- .CORRECT .ANSWER-D. .Massachusetts .General

9. .Regulations .from .one .state .to .the .next .are .essentially .the .same .for
.radioactive .materials.


A. .True
B. .False .- .CORRECT .ANSWER-A. .True

10. .A .radiographer .has .several .avenues .to .seek .guidance .and .counsel. .The .first
.person .he .or .she .can .turn .to .is?


A. .Their .state .or .federal .jurisdictions .hotline
B. .Their .program's .radiation .safety .officer
C. .A .senior .technician .
D. .The .NRC .- .CORRECT .ANSWER-B. .Their .radiation .safety .officer

11. .The .origins .of .industrial .radiography .can .be .attributed .to:

A. .Henri .Becquerel
B. .Wilhelm .Roentgen
C. .Ernest .Rutherford