RAD117 - REAL EXAM QUESTIONS WITH EXPERT
VERIFIED ANSWERS FOR GUARANTEED PASS |
LATEST UPDATE 2025
Components of inherent filtration - ✔✔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... - ✔✔2.5 mm Al
equivalent
Leakage radiation is radiation that... - ✔✔Emerges from the x-ray tube housing
Gonadal shielding - ✔✔Flat cone shields, shadow shields, shaped shields
Gonadal shielding is generally required on patients of reproductive age and younger
when collimated field falls within... - ✔✔5 cm of reproductive organs
Which exposure factor will deliver the lowest gonadal dose for a pelvic radiograph? -
✔✔90 kVp, 12 mAs
What will result in decreased patient dose, all other factors adjusted to maintain desired
image quality? - ✔✔Use of collimation
What relative screen speed will result in the lowest possible patient dose, assuming
adjustments are made to produce acceptable radiographic results? - ✔✔800
Which grid would result in the highest patient dose? - ✔✔12:1
, Minimum source-to-skin distance permitted with portable x-ray equipment? - ✔✔12
inches (30 cm)
Minimum source-to-tabletop distance permitted for stationary fluoroscopic unit is... -
✔✔15 inches (38 cm)
Exposure rate permitted for image intensified fluoroscopic units (tabletop) is... -
✔✔10 R/minute
Image-intensified fluoroscopic units operate at a minimum tube currents in the range
of... - ✔✔3-5 mAs
What fluoroscopic setting can increase image brightness while minimizing patient dose?
- ✔✔High kVp
The use of added filtration alone causes the x-ray beam to be modified... -
✔✔Increase energy of beam
To minimize exposure of electrons resulting from x-ray interaction with the collimator,
the distance from the bottom if the collimator to patient's skin should not be less than...
- ✔✔6 inches (15 cm)
A female patient of reproductive capacity is least likely to be pregnant within... -
✔✔10 days following the onset of menstruation
Of the three factors used to minimize occupational dose, which two are most
important? - ✔✔Distance, shielding
VERIFIED ANSWERS FOR GUARANTEED PASS |
LATEST UPDATE 2025
Components of inherent filtration - ✔✔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... - ✔✔2.5 mm Al
equivalent
Leakage radiation is radiation that... - ✔✔Emerges from the x-ray tube housing
Gonadal shielding - ✔✔Flat cone shields, shadow shields, shaped shields
Gonadal shielding is generally required on patients of reproductive age and younger
when collimated field falls within... - ✔✔5 cm of reproductive organs
Which exposure factor will deliver the lowest gonadal dose for a pelvic radiograph? -
✔✔90 kVp, 12 mAs
What will result in decreased patient dose, all other factors adjusted to maintain desired
image quality? - ✔✔Use of collimation
What relative screen speed will result in the lowest possible patient dose, assuming
adjustments are made to produce acceptable radiographic results? - ✔✔800
Which grid would result in the highest patient dose? - ✔✔12:1
, Minimum source-to-skin distance permitted with portable x-ray equipment? - ✔✔12
inches (30 cm)
Minimum source-to-tabletop distance permitted for stationary fluoroscopic unit is... -
✔✔15 inches (38 cm)
Exposure rate permitted for image intensified fluoroscopic units (tabletop) is... -
✔✔10 R/minute
Image-intensified fluoroscopic units operate at a minimum tube currents in the range
of... - ✔✔3-5 mAs
What fluoroscopic setting can increase image brightness while minimizing patient dose?
- ✔✔High kVp
The use of added filtration alone causes the x-ray beam to be modified... -
✔✔Increase energy of beam
To minimize exposure of electrons resulting from x-ray interaction with the collimator,
the distance from the bottom if the collimator to patient's skin should not be less than...
- ✔✔6 inches (15 cm)
A female patient of reproductive capacity is least likely to be pregnant within... -
✔✔10 days following the onset of menstruation
Of the three factors used to minimize occupational dose, which two are most
important? - ✔✔Distance, shielding
