ARRT REGISTRY EXAMWITH
CORRECT ANSWERS 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 - correct answers - a. bolus
Which of the following methods utilizes a detector that captures x-ray
energy and converts it into an electronic signal?
e. indirect capture
f. CCD
g. cassette based radiography
h. direct capture - correct answers - 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?
i. 69.5 keV
j. 57.5 keV
k. 91.5 keV
l. 12 keV - correct answers - 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?
m.recumbent LPO
n. supine
o. recumbent RPO
p. prone - correct answers - d. prone
which position/projection will best demonstrate the broad aspect of the
frontal air sinus?
- correct answers - PA
Which position will best demonstrate the right axillary portion of the
ribs? - correct answers - RPO
,Which position will emphasize the mucosal lining of the medial wall of the
descending colon during a lower GI exam? - correct answers - left lateral
decubitus
Which projection of the wrist will best demonstrate the interspaces of the
carpal bone? - correct answers - 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 - correct answers - c. the use of a storage phosphor
A transformer constructed with 10,00 primary turns and 2,500 secondary
turns will yield an output voltage of when being supplied with 210
volts.
e. 2710 volts
f. 52.5 volts
g. 840 volts
h. 525 volts - correct answers - b. 52.5 volts
Which of the following circuit components is considered to be the source for
kVp?
i. step-up transformer
j. autotransformer
k. step-down transformer
l. high voltage transformer - correct answers - b. autotransformer
Which of the following meds is administered to a patient during an allergic
reaction?
m.Adenocard
n. Intropin
o. Lasix
p. Decadron - correct answers - d. Decadron
If the improper body part is selected from the exam menu, which of the
following may result?
q. there will be no image
r. there may be image misinterpretation
s. will exhibit proper contrast and density
t.image sharpness will not be affected - correct answers - b. there
may be image misinterpretation
Which of the following combinations are needed in digital radiography
system to produce an image?
u. intensifying screen & TFT
v. x-ray absorber & CCD
w.. storage phosphor plate & CCD
x. storage phosphor plate & TFT - correct answers - b. x-ray absorber
& CCD
,Exposure latitude is also known as which of the following?
a. dynamic range
b. spatial resolution
c. subject contrast
d. characteristic response - correct answers - a. dynamic range
All of the following components are within the glass/metal enclosure of the
x-ray tube except...
e. anode
f. stators
g. rotors
h. filament wires - correct answers - b. stators
Universal precautions should be practiced on..
i. all isolation patients
j. CCU patients
k. pediatric patients
l. All patients - correct answers - d. All patients
What is the minimum source to skin distance allowed for a mobile
fluoroscopic unit? - correct answers - 12 inches
Pregnant technologists should not receive more than rem for the
duration of the pregnancy.
m.3
n. 0.5
o. 0.15
p. 2.5 - correct answers - b. 0.5 rem
How much annual exposure can a 49 year old occupational worker
receive?
q. 490 mSv
r. 290 mSv
s. 50 mSv
t. 75 mSv - correct answers - c. 50 mSv
What is the primary purpose for the use of beam filtration?
u. to reduce skin entrance exposure
v. to modify subject contrast
w.to limit the production of secondary radiation
x.to offset variations in part thickness - correct answers - a. to reduce
skin entrance exposure
The reproducibility of exposures of a radiographic unit must not vary more
than
% to be considered within acceptable limits.
y. 2.5
z. 5
, c. 10
d. 12.5 - correct answers - 5%
Average body build comprising 50% of the population? - correct answers -
Sthenic
Below average body build comprising 35% of the population? - correct
answers - Hyposthenic
Extremely small body build comprising 10% of the population? - correct
answers - Asthenic
Above average or massive body build comprising 5% of the
population? - correct answers - Hypersthenic
What makes up the axial skeleton? - correct answers - toward the center
or middle of the body- includes skull, hyoid, vertebral column, and thorax.
What makes up the appendicular skeleton? - correct answers -
upper & lower extremities, the shoulder girdle & pelvic girdle
The mastoid process is located at the level of... - correct answers
- C1 The thyroid cartilage is located at the level of... - correct
answers - C4-5 The vertebral prominens is located at the level
of... - correct answers - C7
The sternal/jugular notch is located at the level of... - correct
answers - T2-3 The sternal angle is located at the level of... -
correct answers - T4-5
The inferior angle of the scapula is located at the level of... - correct
answers - T7 The xiphoid tip is located at the level of... - correct
answers - T10
The umbilicus is at the level of... - correct
answers - L3-4 The iliac crest is at the level of... -
correct answers - L4
The greater trochanter is at the level of... - correct answers - the pubic
symphysis The lower costal margin is at the level of... - correct answers
- L1-2
The ASIS is at the level of... - correct answers - S1
CORRECT ANSWERS 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 - correct answers - a. bolus
Which of the following methods utilizes a detector that captures x-ray
energy and converts it into an electronic signal?
e. indirect capture
f. CCD
g. cassette based radiography
h. direct capture - correct answers - 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?
i. 69.5 keV
j. 57.5 keV
k. 91.5 keV
l. 12 keV - correct answers - 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?
m.recumbent LPO
n. supine
o. recumbent RPO
p. prone - correct answers - d. prone
which position/projection will best demonstrate the broad aspect of the
frontal air sinus?
- correct answers - PA
Which position will best demonstrate the right axillary portion of the
ribs? - correct answers - RPO
,Which position will emphasize the mucosal lining of the medial wall of the
descending colon during a lower GI exam? - correct answers - left lateral
decubitus
Which projection of the wrist will best demonstrate the interspaces of the
carpal bone? - correct answers - 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 - correct answers - c. the use of a storage phosphor
A transformer constructed with 10,00 primary turns and 2,500 secondary
turns will yield an output voltage of when being supplied with 210
volts.
e. 2710 volts
f. 52.5 volts
g. 840 volts
h. 525 volts - correct answers - b. 52.5 volts
Which of the following circuit components is considered to be the source for
kVp?
i. step-up transformer
j. autotransformer
k. step-down transformer
l. high voltage transformer - correct answers - b. autotransformer
Which of the following meds is administered to a patient during an allergic
reaction?
m.Adenocard
n. Intropin
o. Lasix
p. Decadron - correct answers - d. Decadron
If the improper body part is selected from the exam menu, which of the
following may result?
q. there will be no image
r. there may be image misinterpretation
s. will exhibit proper contrast and density
t.image sharpness will not be affected - correct answers - b. there
may be image misinterpretation
Which of the following combinations are needed in digital radiography
system to produce an image?
u. intensifying screen & TFT
v. x-ray absorber & CCD
w.. storage phosphor plate & CCD
x. storage phosphor plate & TFT - correct answers - b. x-ray absorber
& CCD
,Exposure latitude is also known as which of the following?
a. dynamic range
b. spatial resolution
c. subject contrast
d. characteristic response - correct answers - a. dynamic range
All of the following components are within the glass/metal enclosure of the
x-ray tube except...
e. anode
f. stators
g. rotors
h. filament wires - correct answers - b. stators
Universal precautions should be practiced on..
i. all isolation patients
j. CCU patients
k. pediatric patients
l. All patients - correct answers - d. All patients
What is the minimum source to skin distance allowed for a mobile
fluoroscopic unit? - correct answers - 12 inches
Pregnant technologists should not receive more than rem for the
duration of the pregnancy.
m.3
n. 0.5
o. 0.15
p. 2.5 - correct answers - b. 0.5 rem
How much annual exposure can a 49 year old occupational worker
receive?
q. 490 mSv
r. 290 mSv
s. 50 mSv
t. 75 mSv - correct answers - c. 50 mSv
What is the primary purpose for the use of beam filtration?
u. to reduce skin entrance exposure
v. to modify subject contrast
w.to limit the production of secondary radiation
x.to offset variations in part thickness - correct answers - a. to reduce
skin entrance exposure
The reproducibility of exposures of a radiographic unit must not vary more
than
% to be considered within acceptable limits.
y. 2.5
z. 5
, c. 10
d. 12.5 - correct answers - 5%
Average body build comprising 50% of the population? - correct answers -
Sthenic
Below average body build comprising 35% of the population? - correct
answers - Hyposthenic
Extremely small body build comprising 10% of the population? - correct
answers - Asthenic
Above average or massive body build comprising 5% of the
population? - correct answers - Hypersthenic
What makes up the axial skeleton? - correct answers - toward the center
or middle of the body- includes skull, hyoid, vertebral column, and thorax.
What makes up the appendicular skeleton? - correct answers -
upper & lower extremities, the shoulder girdle & pelvic girdle
The mastoid process is located at the level of... - correct answers
- C1 The thyroid cartilage is located at the level of... - correct
answers - C4-5 The vertebral prominens is located at the level
of... - correct answers - C7
The sternal/jugular notch is located at the level of... - correct
answers - T2-3 The sternal angle is located at the level of... -
correct answers - T4-5
The inferior angle of the scapula is located at the level of... - correct
answers - T7 The xiphoid tip is located at the level of... - correct
answers - T10
The umbilicus is at the level of... - correct
answers - L3-4 The iliac crest is at the level of... -
correct answers - L4
The greater trochanter is at the level of... - correct answers - the pubic
symphysis The lower costal margin is at the level of... - correct answers
- L1-2
The ASIS is at the level of... - correct answers - S1
