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RAD117 Test 3 Questions And Answers
100% Guaranteed Pass
What can help reduce the likelihood of repeat images owing to motion or other patient-related
errors? - Answer✔Effective communication, proper application, shortest exposure time
What exposure factors would produce the highest patient dose, all other variables unchanged? -
Answer✔Low kVp, high mAs, decreased filtration
Filtration in the x-ray tube is intended to reduce radiation dose to the skin caused by... -
Answer✔Long wavelength x-ray photons
A way to determine the effectiveness of the filtration in the x-ray tube is to perform a... -
Answer✔Half value layer test
An x-ray beam that has gone through an aluminum filter will exhibit... - Answer✔Increased
average energy, decreased intensity
What contributes to lower patient dose? - Answer✔Collimation to the area of interest
Positive beam limitation (PBL) is designed to... - Answer✔Produce an x-ray field that is no
larger than the film used
Inherent filtration consists of... - Answer✔X-ray tube window, insulating oil
What are beam-restriction devices? - Answer✔Extension cylinders + cones, collimators
Off-focus radiation can be best described as radiation... - Answer✔Created within the x-ray tube
at points other than the focal track
Components of inherent filtration - Answer✔Insulating oil within the x-ray tube housing,
window of the x-ray tube
Total filtration required for x-ray tubes operating at 70 kVp is... - Answer✔2.5 mm Al equivalent
Leakage radiation is radiation that... - Answer✔Emerges from the x-ray tube housing
Gonadal shielding - Answer✔Flat cone shields, shadow shields, shaped shields
Gonadal shielding is generally required on patients of reproductive age and younger when
collimated field falls within... - Answer✔5 cm of reproductive organs
Which exposure factor will deliver the lowest gonadal dose for a pelvic radiograph? -
Answer✔90 kVp, 12 mAs
1|Page
RAD117 Test 3 Questions And Answers
100% Guaranteed Pass
What can help reduce the likelihood of repeat images owing to motion or other patient-related
errors? - Answer✔Effective communication, proper application, shortest exposure time
What exposure factors would produce the highest patient dose, all other variables unchanged? -
Answer✔Low kVp, high mAs, decreased filtration
Filtration in the x-ray tube is intended to reduce radiation dose to the skin caused by... -
Answer✔Long wavelength x-ray photons
A way to determine the effectiveness of the filtration in the x-ray tube is to perform a... -
Answer✔Half value layer test
An x-ray beam that has gone through an aluminum filter will exhibit... - Answer✔Increased
average energy, decreased intensity
What contributes to lower patient dose? - Answer✔Collimation to the area of interest
Positive beam limitation (PBL) is designed to... - Answer✔Produce an x-ray field that is no
larger than the film used
Inherent filtration consists of... - Answer✔X-ray tube window, insulating oil
What are beam-restriction devices? - Answer✔Extension cylinders + cones, collimators
Off-focus radiation can be best described as radiation... - Answer✔Created within the x-ray tube
at points other than the focal track
Components of inherent filtration - Answer✔Insulating oil within the x-ray tube housing,
window of the x-ray tube
Total filtration required for x-ray tubes operating at 70 kVp is... - Answer✔2.5 mm Al equivalent
Leakage radiation is radiation that... - Answer✔Emerges from the x-ray tube housing
Gonadal shielding - Answer✔Flat cone shields, shadow shields, shaped shields
Gonadal shielding is generally required on patients of reproductive age and younger when
collimated field falls within... - Answer✔5 cm of reproductive organs
Which exposure factor will deliver the lowest gonadal dose for a pelvic radiograph? -
Answer✔90 kVp, 12 mAs
1|Page
