ARRT Radiography Exam (24/25) Complete Questions and Answers A+ Graded
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Course
ARRT Radiography
Institution
ARRT Radiography
ARRT Radiography Exam (24/25)
Complete Questions and Answers
A+ Graded
Features of fluoroscopic equipment designed specially to eliminate unnecessary
radiation to the patient and personnel include
1. protective curtain
2. lead gloves
3. collimation
A. 1 only
B. 1 and 2 only
C. 1 and 3 on...
ARRT Radiography Exam (24/25)
Complete Questions and Answers
A+ Graded
Features of fluoroscopic equipment designed specially to eliminate unnecessary
radiation to the patient and personnel include
1. protective curtain
2. lead gloves
3. collimation
A. 1 only
B. 1 and 2 only
C. 1 and 3 only
D. 1, 2, and 3 - ANSWER ✔ C. 1 and 3 only
Which of the following groups of technical factors will deliver the most exposure
to the patient?
A. 5 mAs, 90 kV
B. 10 mAs, 80 kV
C. 20 mAs, 68 kV
D. 40 mAs, 66 kV - ANSWER ✔ D. 40 mAs, 66 kV
If an individual received 0.45 mGya while standing at 4 feet from a source of
radiation for 2 min, which of the following options will most effectively reduce his
or her radiation exposure?
A. Standing 6 feet from the source for 2 min
B. Standing 5 feet from the source for 1 min
C. Standing 4 feet from the source for 3 min
D. Standing 3 feet from the source for 2 min - ANSWER ✔ B. Standing 5 feet
from the source for 1 min
Guidelines used to reduce personnel and/or patient dose in fluoroscopy include
1. maximum tabletop intensity of 200 mGya/min
2. minimum SSD of 30 cm
,3. minimum filtration of 2.5 mm Al equivalent
A. 1 only
B. 1 and 2 only
C. 2 and 3 only
D. 1, 2, and 3 - ANSWER ✔ C. 2 and 3 only
Occupational exposure to ionizing radiation is reduced by the following exposure
cord guidelines
1. exposure cords on mobile equipment must allow the operator to be at a
maximum of 6 feet from the x-ray tube
2. exposure cords on fixed equipment must prevent the operator from leaving the
control booth during an exposure
3. exposure cords on fixed and mobile equipment should be the coiled expandable
type
A. 1 only
B. 2 only
C. 1 and 3 only
D. 1, 2, and 3 - ANSWER ✔ B. 2 only
The height of primary radiation barriers must be at least
A. 5 feet
B. 6 feet
C. 7 feet
D. 8 feet - ANSWER ✔ C. 7 feet
Every time an x-ray photon scatters, its intensity at 1 m from the scattering object
is what fraction of its original intensity?
A. 1/10
B. 1/100
C. 1/500
D. 1/1000 - ANSWER ✔ D. 1/1000
Which of the following units of measure is used to represent absorbed dose?
A. Air kerma
,B. Gray
C. Sv
D. Relative biologic effectiveness (RBE) - ANSWER ✔ B. Gray
What is the gestational dose limit for a pregnant radiographer?
A. 1 mSv
B. 5 mSv
C. 50 mSv
D. 100 mSv - ANSWER ✔ B. 5 mSv
The purpose of filters in personnel radiation monitors is to
A. eliminate harmful rays
B. measure radiation quality
C. prevent exposure from alpha particles
D. support the film contained within - ANSWER ✔ B. measure radiation quality
The dose limits established for the OSL dosimeter, TLD, and film badge are valid
for
A. alpha, beta, and x-radiations
B. x- and gamma radiations only
C. beta, x-, and gamma radiations
D. all ionizing radiations - ANSWER ✔ C. beta, x-, and gamma radiations
The operation of personnel radiation-monitoring devices can depend on
1. ionization
2. thermoluminescence
3. resonance
A. 1 only
B. 1 and 2 only
C. 2 and 3 only
D. 1, 2, and 3 - ANSWER ✔ B. 1 and 2 only
What is the established monthly fetal dose-limit guidelines for pregnant
radiographers?
, A. 0.5 mSv
B. 5 mSv
C. 50 mSv
D. 100 mSv - ANSWER ✔ A. 0.5 mSv
Which of the following crystals is used in a thermoluminescent dosimetry system?
A. Silver bromide
B. Aluminum oxide
C. Lithium fluoride
D. Ferrous sulfate - ANSWER ✔ C. Lithium fluoride
Potential ionizing radiation damage to tissue is dependent on the
1. Z number of the tisuse
2. type of ionizing radiation
3. mass density of the tissue
A. 1 only
B. 1 and 2 only
C. 2 and 3 only
D. 1, 2, and 3 - ANSWER ✔ D. 1, 2, and 3
The unit of measurement used to describe effective dose to biologic material is
A. Roentgen
G. Gray
C. Sievert
D. RBE - ANSWER ✔ C. Sievert
The NCRP recommends an annual effective occupational dose-equivalent limit of
A. 25 mSv
B. 50 mSv
C. 100 mSv
D. 200 mSv - ANSWER ✔ B. 50 mSv
Which of the following systems uses a preprogrammed, internal technique chart to
produce appropriate mAs and kV values for an exposure?
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