Radiation Safety Exam Questions and
Answers
What is the mechanical support of the tube head means? - Answer- The
mechanical support of the tube head can be adjusted to remain stable during
exposure and shall not be hand held unless manufacturer designed system to be
hand held while operating
What is the safety distance between operator and patient while taking x-ray? -
Answer- 6ft
Define scatter radiation - Answer- radiation that changes direction when it hits the
patient or table
What is the thickness required in a protective apron covering the gonadal area? -
Answer- At least 0.5 mm
What to include in an X-ray control panel - Answer- Timers, photo timers and
brightness stabilizers
What is the thickness of aluminum filter in the useful beam? - Answer- .5mm to
2.0 mm
What does dead man switch mean - Answer- The exposure control switch shall
be of the " dead man " type
Any room with installed x-ray machines what sign should be posted? - Answer- A
caution of radiation sign
What are the size of useful beam following collimation? - Answer- Restriction of
the useful beam to an appropriate size 2 3/4 in (7cm )at the skin surface
Who is required to be in radiographic room during x-ray exposures? - Answer-
The certified and or licensed x ray technician
Who is allowed to be exposed to the useful beam? - Answer- Individuals shall not
be exposed to the useful beam as it is prohibited
What is leakage radiation? - Answer- less than 100 mR/hr @ 1 m - x-rays
escaping protective tube housing
Answers
What is the mechanical support of the tube head means? - Answer- The
mechanical support of the tube head can be adjusted to remain stable during
exposure and shall not be hand held unless manufacturer designed system to be
hand held while operating
What is the safety distance between operator and patient while taking x-ray? -
Answer- 6ft
Define scatter radiation - Answer- radiation that changes direction when it hits the
patient or table
What is the thickness required in a protective apron covering the gonadal area? -
Answer- At least 0.5 mm
What to include in an X-ray control panel - Answer- Timers, photo timers and
brightness stabilizers
What is the thickness of aluminum filter in the useful beam? - Answer- .5mm to
2.0 mm
What does dead man switch mean - Answer- The exposure control switch shall
be of the " dead man " type
Any room with installed x-ray machines what sign should be posted? - Answer- A
caution of radiation sign
What are the size of useful beam following collimation? - Answer- Restriction of
the useful beam to an appropriate size 2 3/4 in (7cm )at the skin surface
Who is required to be in radiographic room during x-ray exposures? - Answer-
The certified and or licensed x ray technician
Who is allowed to be exposed to the useful beam? - Answer- Individuals shall not
be exposed to the useful beam as it is prohibited
What is leakage radiation? - Answer- less than 100 mR/hr @ 1 m - x-rays
escaping protective tube housing
