ARRT Registry Exam review EXAM
QUESTIONS EXPERT VERIFIED WITH
GUIDED BOOK RATIONALES 2024/2025
What is the correct term used to describe an intravenous injection of a concentrated
volume of contrast media?
a. bolus
b. infusion
c. extravasation
d. luminal - <<ANSWER>>a. bolus
Which of the following methods utilizes a detector that captures x-ray energy and
converts it into an electronic signal?
a. indirect capture
b. CCD
c. cassette based radiography
d. direct capture - <<ANSWER>>d. direct capture
The energy of a characteristic x-ray photon created when an L shell electron fills a K
shell vacancy in a tungsten atom will have which of the following energies?
a. 69.5 keV
b. 57.5 keV
c. 91.5 keV
d. 12 keV - <<ANSWER>>b. 57.5 keV
The energy of characteristic photons is determined by the difference in binding energies
between the two electron shells involved in the process, which in this question are K
and L shells. 69.5 (K shell) minus 12 (L shell) equals 57.5.
Identify the position that will place the positive contrast agent in the body of the stomach
and pyloris during a double contrast upper GI exam?
a. recumbent LPO
b. supine
c. recumbent RPO
d. prone - <<ANSWER>>d. prone
,which position/projection will best demonstrate the broad aspect of the frontal air sinus?
- <<ANSWER>>PA
Which position will best demonstrate the right axillary portion of the ribs? -
<<ANSWER>>RPO
which of the following interactions occurs most often with x-ray energies over 100 keV?
a. coherent(classical) scattering
b. compton
c. photoelectric absorption
d. pair production - <<ANSWER>>b. compton
(the higher the energy, the more apt the xray will be scattered)
a body at rest or in uniform motion remains in the same state unless a force is applied
describes what?
a. A=F/m
b. for every action there is a reaction
c. Newton's first law of motion
d. Coulomb's Law - <<ANSWER>>c. Newton's first law of motion
what is the definition of power?
a. the rate at which work is done
b. the stored energy of an object
c. a body at rest
d. the force of a moving object - <<ANSWER>>a. the rate at which work is done
what is the definition of energy?
a. moving or stationary objects
b. mass times acceleration
c. the rate at which work is done
d. the ability to do work - <<ANSWER>>d. the ability to do work
which of the following describes an electron?
a. no mass and no charge
b. no mass and negative charge
c. mass and no charge
d. mass and negative charge - <<ANSWER>>d. mass and negative charge
what is the formula for converting Fahrenheit to Celsius? - <<ANSWER>>5/9 (F-32)
which of the following describes an atom that has lost one or more of its electrons?
a. ion
b. isotope
c. nuclide
d. unstable - <<ANSWER>>a. ion
,at 70 kVp, 200 mA, and 0.2 seconds, what is the mR/mAs if the rate meter reading is
100 mR?
a. 1.0 mR/mAs
b. 2.5 mR/mAs
c. 4.0 mR/mAs
d. 5.5 mR/mAs - <<ANSWER>>b. 2.5 mR/mAs
(200 mA x 0.2 seconds = 40 mAs. 100 mR divided by 40 mAs = 2.5 mR/mAs)
What type of primary radiation is produced when the x-ray tube voltage is below 70
kVp?
A. Characteristic
B. Bremsstrahlung
C. compton
D. Scatter - <<ANSWER>>B. Bremsstrahlung
what is the unit of force? - <<ANSWER>>Newton
what is the formula that states Newton's Second Law of motion? - <<ANSWER>>F =
ma
how many centimeter are in one inch? - <<ANSWER>>2.54
which of the following are by-products of photoelectric absorption?
1. photoelectron
2. characteristic radiation
3. ionized atom
a. 1 & 2 only
b. 1 & 3 only
c. 2 & 3 only
d. 1, 2, & 3 - <<ANSWER>>d. 1, 2, & 3
How thick must the lead be in a primary barrier of a radiographic room?
a. 1/32"
b. 1/16"
c. 1/8"
d. 1/2" - <<ANSWER>>c. 1/8"
What must the lead equivalency be for a lead apron?
A. .25 mm Pb
B. .50 mm Pb
C. 2.5 mm Pb
D. 5.0 mm Pb - <<ANSWER>>B. .50 mm Pb
, The lead equivalency for a pair of protective gloves must be at least how much?
a. 0.25 mm
b. 0.50 mm
c. 0.75 mm
d. 1.50 mm - <<ANSWER>>a. 0.25 mm
Radiation monitoring units depend on which of the following:
1. space charge
2. ionization
3. electrification
a. 1 only
b. 2 only
c. 1 & 2
d. 1 & 3 - <<ANSWER>>b. 2 only
what is the effective dose limit a radiography student may receive in one year if he/she
is under 18 years old?
a. 1 mSv
b. 5 mSv
c. 10 mSv
d. 50 mSv - <<ANSWER>>a. 1 mSv
which of the following personnel monitoring devices is capable of providing an
immediate reading?
a. film badge
b. ring badge
c. pocket dosimeter
d. thermoluminescent dosimeter - <<ANSWER>>c. pocket dosimeter
(a pocket dosimeter is a pen-like object that measures exposure and can be read
immediately by holding it up to the light)
Which position will emphasize the mucosal lining of the medial wall of the descending
colon during a lower GI exam? - <<ANSWER>>left lateral decubitus
Which projection of the wrist will best demonstrate the interspaces of the carpal bone? -
<<ANSWER>>AP
An image is acquired with computed radiography using which of the following methods?
a. a cassette that is electronically charged
b. conventional film/screen processing
c. the use of a storage phosphor
d. nonne of the above - <<ANSWER>>c. the use of a storage phosphor
QUESTIONS EXPERT VERIFIED WITH
GUIDED BOOK RATIONALES 2024/2025
What is the correct term used to describe an intravenous injection of a concentrated
volume of contrast media?
a. bolus
b. infusion
c. extravasation
d. luminal - <<ANSWER>>a. bolus
Which of the following methods utilizes a detector that captures x-ray energy and
converts it into an electronic signal?
a. indirect capture
b. CCD
c. cassette based radiography
d. direct capture - <<ANSWER>>d. direct capture
The energy of a characteristic x-ray photon created when an L shell electron fills a K
shell vacancy in a tungsten atom will have which of the following energies?
a. 69.5 keV
b. 57.5 keV
c. 91.5 keV
d. 12 keV - <<ANSWER>>b. 57.5 keV
The energy of characteristic photons is determined by the difference in binding energies
between the two electron shells involved in the process, which in this question are K
and L shells. 69.5 (K shell) minus 12 (L shell) equals 57.5.
Identify the position that will place the positive contrast agent in the body of the stomach
and pyloris during a double contrast upper GI exam?
a. recumbent LPO
b. supine
c. recumbent RPO
d. prone - <<ANSWER>>d. prone
,which position/projection will best demonstrate the broad aspect of the frontal air sinus?
- <<ANSWER>>PA
Which position will best demonstrate the right axillary portion of the ribs? -
<<ANSWER>>RPO
which of the following interactions occurs most often with x-ray energies over 100 keV?
a. coherent(classical) scattering
b. compton
c. photoelectric absorption
d. pair production - <<ANSWER>>b. compton
(the higher the energy, the more apt the xray will be scattered)
a body at rest or in uniform motion remains in the same state unless a force is applied
describes what?
a. A=F/m
b. for every action there is a reaction
c. Newton's first law of motion
d. Coulomb's Law - <<ANSWER>>c. Newton's first law of motion
what is the definition of power?
a. the rate at which work is done
b. the stored energy of an object
c. a body at rest
d. the force of a moving object - <<ANSWER>>a. the rate at which work is done
what is the definition of energy?
a. moving or stationary objects
b. mass times acceleration
c. the rate at which work is done
d. the ability to do work - <<ANSWER>>d. the ability to do work
which of the following describes an electron?
a. no mass and no charge
b. no mass and negative charge
c. mass and no charge
d. mass and negative charge - <<ANSWER>>d. mass and negative charge
what is the formula for converting Fahrenheit to Celsius? - <<ANSWER>>5/9 (F-32)
which of the following describes an atom that has lost one or more of its electrons?
a. ion
b. isotope
c. nuclide
d. unstable - <<ANSWER>>a. ion
,at 70 kVp, 200 mA, and 0.2 seconds, what is the mR/mAs if the rate meter reading is
100 mR?
a. 1.0 mR/mAs
b. 2.5 mR/mAs
c. 4.0 mR/mAs
d. 5.5 mR/mAs - <<ANSWER>>b. 2.5 mR/mAs
(200 mA x 0.2 seconds = 40 mAs. 100 mR divided by 40 mAs = 2.5 mR/mAs)
What type of primary radiation is produced when the x-ray tube voltage is below 70
kVp?
A. Characteristic
B. Bremsstrahlung
C. compton
D. Scatter - <<ANSWER>>B. Bremsstrahlung
what is the unit of force? - <<ANSWER>>Newton
what is the formula that states Newton's Second Law of motion? - <<ANSWER>>F =
ma
how many centimeter are in one inch? - <<ANSWER>>2.54
which of the following are by-products of photoelectric absorption?
1. photoelectron
2. characteristic radiation
3. ionized atom
a. 1 & 2 only
b. 1 & 3 only
c. 2 & 3 only
d. 1, 2, & 3 - <<ANSWER>>d. 1, 2, & 3
How thick must the lead be in a primary barrier of a radiographic room?
a. 1/32"
b. 1/16"
c. 1/8"
d. 1/2" - <<ANSWER>>c. 1/8"
What must the lead equivalency be for a lead apron?
A. .25 mm Pb
B. .50 mm Pb
C. 2.5 mm Pb
D. 5.0 mm Pb - <<ANSWER>>B. .50 mm Pb
, The lead equivalency for a pair of protective gloves must be at least how much?
a. 0.25 mm
b. 0.50 mm
c. 0.75 mm
d. 1.50 mm - <<ANSWER>>a. 0.25 mm
Radiation monitoring units depend on which of the following:
1. space charge
2. ionization
3. electrification
a. 1 only
b. 2 only
c. 1 & 2
d. 1 & 3 - <<ANSWER>>b. 2 only
what is the effective dose limit a radiography student may receive in one year if he/she
is under 18 years old?
a. 1 mSv
b. 5 mSv
c. 10 mSv
d. 50 mSv - <<ANSWER>>a. 1 mSv
which of the following personnel monitoring devices is capable of providing an
immediate reading?
a. film badge
b. ring badge
c. pocket dosimeter
d. thermoluminescent dosimeter - <<ANSWER>>c. pocket dosimeter
(a pocket dosimeter is a pen-like object that measures exposure and can be read
immediately by holding it up to the light)
Which position will emphasize the mucosal lining of the medial wall of the descending
colon during a lower GI exam? - <<ANSWER>>left lateral decubitus
Which projection of the wrist will best demonstrate the interspaces of the carpal bone? -
<<ANSWER>>AP
An image is acquired with computed radiography using which of the following methods?
a. a cassette that is electronically charged
b. conventional film/screen processing
c. the use of a storage phosphor
d. nonne of the above - <<ANSWER>>c. the use of a storage phosphor
