40 hr radiation safety ALL QUESTIONS
IN BOOK EXAM
- In the early years of radiography, what caused personnel to be exposed?
- Lack of protective equipment
- Lack of awareness of radiation hazards
- Poor regulation and oversight
- All the above
- In what year did Marie Curie die?
A. 1895
- Late in 1898
C. 1905
D. 1934
- Who coined the term "radioactivity"?
- Marie and Pierre Curie
- Ernest Rutherford
- Wilhelm Röntgen
- Henri Becquerel
- In the early years of radiography (1920–1930), the maximum steel thickness that could
be inspected via X-radiation was:
- 1 inch
- 2 inches
- 3 inches (7.62 cm)
- 5 inches
5. Historically, the predominant cause of overexposure is:
- Equipment failure
- Human error
- Poor training
- All the above 1 / 2
- The responsibility to adhere to regulations, license conditions, and company policies falls
to:
- The RSO
- All radiation workers
- Supervisors only
- Safety inspectors
7. Alpha particles were discovered by:
- Marie Curie
- Ernest Rutherford
- Wilhelm Röntgen
- Niels Bohr
8. The first medical X-ray was conducted at:
- Johns Hopkins
- Mayo Clinic
- Massachusetts General
- Cleveland Clinic
- Regulations from one state to the next are essentially the same?
- False
- True
10. The origins of industrial radiography can be attributed to:
- Henri Becquerel
- Ernest Rutherford
- Wilhelm Röntgen
- Marie Curie
- A radiographer should first turn to whom for guidance and counsel?
- Company supervisor
- The RSO (Radiation Safety Officer)
- NRC inspector
- OSHA officer
- / 2