IRRSP |QUESTIONS AND VERIFIED ANSWERS|GRADED A+|PASS ON
FIRST ATTEMPT|BRAND NEW 2026/2027 UPDATE!!!!!
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 - 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 - 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 - 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?
1
,A. 1 in. (2.54cm)
B. 2 in. (5.08 cm)
C. 3 in. (7.62 cm)
D. 10 in. (25.4 cm) - 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 - 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 - ANSWER A. The radiographer
7. Alpha particles were discovered by:
A. Marie Curie
B. Pierre Curie
2
, C. Ernest Rutherford
D. Henri Becquerel - 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 - ANSWER D. Massachusetts General
9. Regulations from one state to the next are essentially the same for radioactive materials.
A. True
B. False - 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 - 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
3
FIRST ATTEMPT|BRAND NEW 2026/2027 UPDATE!!!!!
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 - 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 - 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 - 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?
1
,A. 1 in. (2.54cm)
B. 2 in. (5.08 cm)
C. 3 in. (7.62 cm)
D. 10 in. (25.4 cm) - 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 - 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 - ANSWER A. The radiographer
7. Alpha particles were discovered by:
A. Marie Curie
B. Pierre Curie
2
, C. Ernest Rutherford
D. Henri Becquerel - 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 - ANSWER D. Massachusetts General
9. Regulations from one state to the next are essentially the same for radioactive materials.
A. True
B. False - 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 - 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
3
