ARRT Registry Exam Questions and Answers (Verified
Answers) 2023 Update (Attained Score 100%) 500+ questions.
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?
a. indirect capture
b. CCD
c. cassette based radiography
d. 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?
a. 69.5 keV
b. 57.5 keV
ARRT Registry Exam Questions and Answers (Verified
Answers) 2023 Update (Attained Score 100%) 500+ questions.
c. 91.5 keV
d. 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?
a. recumbent LPO
b. supine
c. recumbent RPO
d. prone – correct answers ✅d. prone
which position/projection will best demonstrate the broad aspect of the
frontal air sinus? – correct answers ✅PA
ARRT Registry Exam Questions and Answers (Verified
Answers) 2023 Update (Attained Score 100%) 500+ questions.
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.
ARRT Registry Exam Questions and Answers (Verified
Answers) 2023 Update (Attained Score 100%) 500+ questions.
a. 2710 volts
b. 52.5 volts
c. 840 volts
d. 525 volts – correct answers ✅b. 52.5 volts
Which of the following circuit components is considered to be the source for
kVp?
a. step-up transformer
b. autotransformer
c. step-down transformer
d. high voltage transformer – correct answers ✅b. autotransformer
Which of the following meds is administered to a patient during an allergic
reaction?
a. Adenocard
b. Intropin
c. Lasix
d. Decadron – correct answers ✅d. Decadron
ARRT Registry Review Test Questions and Answers
(Verified Solutions) 2023
Which anatomical structure should not be seen in its entirety on an
anteroposterior (AP) pelvis radiograph? – correct answers ✅Lesser
Trochanters
What prior testing should be performed before a routine radiograph of the
pelvis is started on a 25-year-old female? – correct answers ✅Pregnancy Test
How many vertebrae are present in the cervical vertebrae? – correct answers
✅7
What is the correct central ray (CR) angle and direction for posteroanterior
(PA) oblique projections of the cervical spine? – correct answers ✅15
degrees caudal
At what level should the central ray be projected during the examination of
an injured patient with a dislocated L5-S1? – correct answers ✅1 1/2 inches
inferior to the iliac crest
Which is true regarding the anatomy of the spinal cord? Select all that apply.
- The spinal cord extends inferiorly from the brain.
ARRT Registry Review Test Questions and Answers
(Verified Solutions) 2023
- The conus medullaris is situated at the level of S2.
- The spinal cord terminates at the conus medullaris.
- The bony vertebral column protects the spinal cord.
- The subarachnoid space continues down the spinal cord to L1. – correct
answers ✅1, 3, and 4
In an oblique projection of the lumbar vertebrae, which structure forms the
front legs of the “Scottie dog”? – correct answers ✅Inferior articular process
Which joints are found between the articulation processes of the vertebral
arches? – correct answers ✅
Which structures are most clearly demonstrated on an optimal 45-degree
oblique cervical spine radiograph? – correct answers ✅Intervertebral
Foramina
Where does the central ray enter for a lateral projection of the lumbosacral
spine? – correct answers ✅L4
ARRT Registry Review Test Questions and Answers
(Verified Solutions) 2023
Which modality involves fluoroscopy to examine the spinal canal for
evaluation of lesions? – correct answers ✅Myelography
What central ray angle is required for an anteroposterior (AP) axial inlet
pelvic projection? – correct answers ✅40 degrees caudad
Which part of the sacrum can be viewed from its anterior and posterior
perspective? – correct answers ✅Pelvic sacral foramina
Where does the central ray enter for an oblique projection of the sacroiliac
joints? – correct answers ✅One inch medial to the anterior superior iliac
spine of the elevated side
What are the two main parts of the vertebrae? – correct answers ✅Body
and vertebral arch
Which is the rounded and roughened structure located near the junction of
the lower body and inferior rami? – correct answers ✅Tuberosity of ischium
ARRT Registry Review Test Questions and Answers
(Verified Solutions) 2023
What pathological conditions can be best identified when performing an
anteroposterior (AP) projection of the lumbar spine? Select all that apply. –
correct answers ✅Scoliosis
Fractures
Neoplastic processes
What is the term used to indicate the vertebrae located in the pelvic region?
- correct answers ✅Sacral vertebrae
Where does the central ray enter for a lateral projection of the cervical
spine? – correct answers ✅C4
Which is the articulation of the three divisions of the hip in an adult? –
correct answers ✅Union of acetabulum
What pathological conditions can be best identified when performing an
anteroposterior (AP) projection of the lumbar spine? Select all that apply. –
correct answers ✅Scoliosis
Neoplastic Processes
ARRT Registry Review – Radiation Protection & Biology
Exam Questions and Answers (Latest Update 2023)
Radiation – correct answers ✅energy in transit from one location to
another; a transfer of energy that results from either a change occurring
naturally within an atom or a process caused by the interaction of a particle
with an atom
Ionizing Radiation – correct answers ✅radiation that produces positively and
negatively charged particles (ions) when passing through matter
Attenuation – correct answers ✅any process that decreases the intensity of
the primary photon beam directed toward some destination; total reduction
in the number of x-rays remaining in a beam after penetration through a
given thickness of tissue
Absorption – correct answers ✅transference of energy from an x-ray beam
to the atoms or molecules of the matter through which it passes
2.95 mSv (1.98 mSv from radon & .97 mSv from cosmic/terrestrial). – correct
answers ✅Exposure to average U.S. citizen from natural radiation annually?
ARRT Registry Review – Radiation Protection & Biology
Exam Questions and Answers (Latest Update 2023)
.65 mSv (.4 mSv from medical/dental, .14 from nuclear medicine,
and .11mSv from consumer products). – correct answers ✅Exposure to
average U.S. citizen from man made radiation annually?
3.6 mSv (2.95 from natural, .65 mSv from man made) – correct answers
✅Total annual exposure to average U.S. citizen?
Lumbar spine – correct answers ✅Nonfluoro exam with greatest gonadal
dose
As low as reasonably achievable – correct answers ✅ALARA
NCRP Report #116 – correct answers ✅Effective Absorbed Dose Equivalent
System includes determination of effective dose equivalent for “all” radiation
vulnerable organs, not just critical organs as previously reported.
age in years x 10 mSv – correct answers ✅Cumulative Absorbed Dose
Equivalent (internal and external) =
ARRT Registry Review – Radiation Protection & Biology
Exam Questions and Answers (Latest Update 2023)
50 mSv – correct answers ✅Annual Effective dose limit for occupational
exposure?
150 mSv – correct answers ✅Annual occupational dose limit for lens of the
eye
500 mSv – correct answers ✅Annual occupational dose limit for hands and
feet
1/10th – correct answers ✅Annual exposure for non radiation workers is
__ of that of radiation workers.
NCRP Report # 102 – correct answers ✅Report that covers topics of
equipment design and use, Personnel monitoring, Radiation survey
procedures.
Coherent (Thompson / Classical / Unmodified) – correct answers
✅Interaction in matter that occurs when an incident x-ray interacts with the
target atom, which causes it to become excited. The target atom
immediately releases this excess energy as a scattered x-ray with a