ARRT REGISTRY ACTUAL EXAM SCRIPT QUESTIONS AND
ANSWERS SURE A+
✔✔which of the following are types of gonadal shielding - ✔✔flat contact, shaped
(contour) contact, and shadow
✔✔The protective control booth from which the radiographer makes the x-ray exposure
is a - ✔✔secondary barrier
✔✔If an individual received 0.45 mGy while standing at 4 feet from a source of radiation
for 2 min, which of the following options will most effectively reduce his radiation
exposure - ✔✔standing 5 feet from the source for 1 min
✔✔how much protection is provided from a 75 kv x-ray beam when using a 0.50 mm Pb
equivalent apron - ✔✔88%
✔✔occupational exposure to ionizing radiation is reduced by the following exposure
cord guidelines - ✔✔exposure cords on mobile equipment must allow the operator to be
at least 6 feet from the x-ray tube
✔✔which of the following groups of technical factors will deliver the least exposure to
the patient:
5 mAs, 90 kv
10 mAs, 80 kv
20 mAs, 68 kv
40 mAs, 66 kv - ✔✔5 mAs, 90 kv
✔✔should an infant/child be unable to maintain the necessary radiographic position and
mechanical restraining devices cannot be used, required assistance is most suitably
obtained from - ✔✔a friend or relative
✔✔Guidelines used to reduce personnel and/or patient dose in fluoroscopy include -
✔✔maximum tabletop intensity of 100 mGy/min and minimum filtration of 2.5 mm Al
equivalent
✔✔features of fluoroscopic equipment designed especially to eliminate unnecessary
radiation to the patient and personnel include - ✔✔protective curtain, filtration, and
collimation
✔✔the height of primary radiation barriers must be at least - ✔✔7 feet
✔✔each time an x-ray photon scatters, its intensity at 1 m from the scattering object is
what fraction of its original intensity - ✔✔1/1000
, ✔✔which of the following is a measure of energy deposited in material - ✔✔Gray
✔✔What is the annual dose limit for a student radiographer who is younger than 18
years and beginning clinical assignments - ✔✔0.1 rem (1 mSv)
✔✔the purpose of filters in personal radiation monitors is to - ✔✔measure radiation
quality
✔✔the dose limits established for the OSL dosimeter, TLD, film badge, and pocket
dosimeter are valid for - ✔✔beta, x-, and gamma radiations
✔✔the operation of personal radiation-monitoring devices can depend on -
✔✔ionization and thermoluminesence
✔✔what is the established monthly fetal dose-limit guideline for pregnant radiographers
- ✔✔0.5 msv
✔✔which of the following crystals are used in an optically luminescent dosimetry system
- ✔✔aluminum oxide
✔✔potential ionizing radiation damage to tissue is dependent on the - ✔✔z number of
the tissue, type of ionizing radiation, and mass density of the tissue
✔✔the unit of measurement used to express occupational exposure is the - ✔✔sievert
✔✔the NCRP recommends an annual effective occupational dose-equivalent limit to be
- ✔✔50 msv
✔✔in which of the following systems does the radiographer select the anatomic part
from the console menu - ✔✔APR
✔✔How is SID related to exposure rate and receptor exposure - ✔✔As SID increases,
exposure rate decreases and receptor exposure decreases
✔✔The effects of scattered radiation on the xray image include the following - ✔✔it
produces fog and it decreases contrast resolution
✔✔which of the following can impact receptor exposure - ✔✔tissue density, pathology,
and beam restriction
✔✔if it is desired to reduce the receptor exposure by one half, which of the following
would be accomplish this - ✔✔decrease the kv by 15%
ANSWERS SURE A+
✔✔which of the following are types of gonadal shielding - ✔✔flat contact, shaped
(contour) contact, and shadow
✔✔The protective control booth from which the radiographer makes the x-ray exposure
is a - ✔✔secondary barrier
✔✔If an individual received 0.45 mGy while standing at 4 feet from a source of radiation
for 2 min, which of the following options will most effectively reduce his radiation
exposure - ✔✔standing 5 feet from the source for 1 min
✔✔how much protection is provided from a 75 kv x-ray beam when using a 0.50 mm Pb
equivalent apron - ✔✔88%
✔✔occupational exposure to ionizing radiation is reduced by the following exposure
cord guidelines - ✔✔exposure cords on mobile equipment must allow the operator to be
at least 6 feet from the x-ray tube
✔✔which of the following groups of technical factors will deliver the least exposure to
the patient:
5 mAs, 90 kv
10 mAs, 80 kv
20 mAs, 68 kv
40 mAs, 66 kv - ✔✔5 mAs, 90 kv
✔✔should an infant/child be unable to maintain the necessary radiographic position and
mechanical restraining devices cannot be used, required assistance is most suitably
obtained from - ✔✔a friend or relative
✔✔Guidelines used to reduce personnel and/or patient dose in fluoroscopy include -
✔✔maximum tabletop intensity of 100 mGy/min and minimum filtration of 2.5 mm Al
equivalent
✔✔features of fluoroscopic equipment designed especially to eliminate unnecessary
radiation to the patient and personnel include - ✔✔protective curtain, filtration, and
collimation
✔✔the height of primary radiation barriers must be at least - ✔✔7 feet
✔✔each time an x-ray photon scatters, its intensity at 1 m from the scattering object is
what fraction of its original intensity - ✔✔1/1000
, ✔✔which of the following is a measure of energy deposited in material - ✔✔Gray
✔✔What is the annual dose limit for a student radiographer who is younger than 18
years and beginning clinical assignments - ✔✔0.1 rem (1 mSv)
✔✔the purpose of filters in personal radiation monitors is to - ✔✔measure radiation
quality
✔✔the dose limits established for the OSL dosimeter, TLD, film badge, and pocket
dosimeter are valid for - ✔✔beta, x-, and gamma radiations
✔✔the operation of personal radiation-monitoring devices can depend on -
✔✔ionization and thermoluminesence
✔✔what is the established monthly fetal dose-limit guideline for pregnant radiographers
- ✔✔0.5 msv
✔✔which of the following crystals are used in an optically luminescent dosimetry system
- ✔✔aluminum oxide
✔✔potential ionizing radiation damage to tissue is dependent on the - ✔✔z number of
the tissue, type of ionizing radiation, and mass density of the tissue
✔✔the unit of measurement used to express occupational exposure is the - ✔✔sievert
✔✔the NCRP recommends an annual effective occupational dose-equivalent limit to be
- ✔✔50 msv
✔✔in which of the following systems does the radiographer select the anatomic part
from the console menu - ✔✔APR
✔✔How is SID related to exposure rate and receptor exposure - ✔✔As SID increases,
exposure rate decreases and receptor exposure decreases
✔✔The effects of scattered radiation on the xray image include the following - ✔✔it
produces fog and it decreases contrast resolution
✔✔which of the following can impact receptor exposure - ✔✔tissue density, pathology,
and beam restriction
✔✔if it is desired to reduce the receptor exposure by one half, which of the following
would be accomplish this - ✔✔decrease the kv by 15%
