TITLE 17 RADIATION SAFETY EXAM
QUESTIONS WITH COMPLETE
ANSWERS
Scatter radiation is defined as: - Answer-radiation that during passage through matter,
has been deviated in direction
During each exposure, the operator shall stand at least______from the patient or
behind a protective barrier. - Answer-6 feet
What is the lead-equivalent thickness required in a protective apron covering the
gonadal area? - Answer-Not less than 0.25 millimeters
An x-ray control panel includes a means of indicating which of the following: - Answer-
kvp, tube, exposure duration
Mechanical support of the tubehead means: - Answer-The tube head shall maintain
exposure position without drift or vibration
The aluminum filter thickness in the useful beam is at least a thickness of: - Answer-2.5
millimeters for 70 kvp
What is the term that means a switch constructed that is a circuit-closing contact and
can only be maintained by continuous pressure by the operator? - Answer-Dead-man
switch
According to Title 17-Article 4, any room or area that contains permanently installed x-
ray machines shall be posted with a sign that reads: - Answer-Caution X-rays
The "term" filter means: - Answer-materials placed in the useful beam to absorb less
penetrating radiation
The size of the useful beam following collimation is: - Answer-Both A and B (7cm and
2.75 inches)
Only persons required for the radiographic procedure shall be in the radiographic room
during exposures - Answer-True statement
Who is allowed to be exposed to the useful beam? - Answer-Operator and patient
What is the definition of "leakage radiation?" - Answer-radiation coming from within the
tube housing except the useful beam
QUESTIONS WITH COMPLETE
ANSWERS
Scatter radiation is defined as: - Answer-radiation that during passage through matter,
has been deviated in direction
During each exposure, the operator shall stand at least______from the patient or
behind a protective barrier. - Answer-6 feet
What is the lead-equivalent thickness required in a protective apron covering the
gonadal area? - Answer-Not less than 0.25 millimeters
An x-ray control panel includes a means of indicating which of the following: - Answer-
kvp, tube, exposure duration
Mechanical support of the tubehead means: - Answer-The tube head shall maintain
exposure position without drift or vibration
The aluminum filter thickness in the useful beam is at least a thickness of: - Answer-2.5
millimeters for 70 kvp
What is the term that means a switch constructed that is a circuit-closing contact and
can only be maintained by continuous pressure by the operator? - Answer-Dead-man
switch
According to Title 17-Article 4, any room or area that contains permanently installed x-
ray machines shall be posted with a sign that reads: - Answer-Caution X-rays
The "term" filter means: - Answer-materials placed in the useful beam to absorb less
penetrating radiation
The size of the useful beam following collimation is: - Answer-Both A and B (7cm and
2.75 inches)
Only persons required for the radiographic procedure shall be in the radiographic room
during exposures - Answer-True statement
Who is allowed to be exposed to the useful beam? - Answer-Operator and patient
What is the definition of "leakage radiation?" - Answer-radiation coming from within the
tube housing except the useful beam
