ARRT REGISTRY REVIEW EXAM COMPREHENSIVE QUESTIONS WITH 100% VERIFIED ANSWERS
2024-2025- GRADED A+
Another term for blur is ______________?
Penumbra
Measurement of radiation that is used to quantify the absolute number of ionization events in
the air.
Exposure
The lead equivalent for protective glasses.
0.35 mm
The half-value layer (HVL) reduces the x-ray beam ______________ by half.
Intensity
Increasing x-ray beam energy, ______________ attenuation.
Decreases
The lead equivalent of lead-lined gloves.
0.25 mm
The median cubital vein is found in the ______________.
Antecubital fossa
Rapid neurological assessment is done using the ______________.
Glasgow scale
Oxygen flow rate through a nasal cannula is ______________ L/min.
1-6
Patients with COPD should NOT receive oxygen at a rate higher than ______________ L/min.
3
The average pulse rate for an infant is ______________ bpm.
100-150
Irreversible brain damage as a result of cerebral hypoxia occurs in ______________ minutes.
,4-6
The typical dosage of contrast media for a pediatric patient is ______________ mL/kg.
1.5-2
Formula for Power Loss.
P = I^2 x R
A photometer is used to evaluate ______________.
Display contrast
When calculating effective dose (EfD) and there are multiple tissue weighting factors,
______________ them together before multiplying.
Add
The Direct Square Law calculates ______________ when changing SID.
mAs
The Inverse Square Law calculates how intensity changes with ______________.
Distance
Other than intensity, the Direct Square Law can be used to calculate the relationship between
distance and ______________, as well as the relationship between distance and
______________.
Exposure, air KERMA
Increasing SID, ______________ spatial resolution.
Increases
Increasing the anode angle, ______________ spatial resolution.
Decreases
Decreasing kVp, ______________ image contrast.
Increases
When maintaining exposure, when kVp increases by 15%, the mAs must ______________.
Decrease by half
When maintaining exposure, when kVp decreases by 15%, the mAs must ______________.
,Double
Formula for Magnification Factor (MF) dealing with size.
MF = image size / object size
Entrance skin exposure (ESE) rates of general fluoro has a federal maximum of ______________
mGy/minute.
100
The ______________ phase of Acute Radiation Syndrome (ARS) is the body's initial response to
high-dose radiation.
Prodromal
The measurement of the rate at which electrons flow.
Amperage
In a CR system imaging plate, the conductor layer absorbs light, which ______________ spatial
resolution.
Increases
In a CR system, the plate reader is called the ______________.
Digitizer
In a CR system imaging plate, the phosphor layer is mostly composed of ______________.
Barium fluorohalides
An AP hip CR is midway between the ______________ and the ______________.
ASIS, pubic symphysis
The AP pelvis IR is centered midway between the ______________ and the ______________.
ASIS, pubic symphysis
Joint type: pubic symphysis.
Amphiarthrodial, cartilaginous
AP axial outlet "Taylor method" pelvis gives a bilateral view of the ______________ and the
______________ to assess for pelvic trauma.
Pubis, ischium
, The Clements-Nakayama hip IR is tilted ______________ degrees from ______________.
15, vertical
There are ______________ foramina on each C-spine vertebrae.
3
C5 has a ______________ spinous process.
Bifid
Joint type: C-spine zygapophyseal joints.
Diarthrodial, plane
Swimmers CR is angled ______________ degrees and ______________.
3-5, caudad
Swimmers CR is directed at ______________.
C7
The inferior angle of the scapula is at ______________.
T7
The lateral cervicothoracic projection is also called the ______________ view.
Swimmers
T-spine zygapophyseal joints are ______________ degrees from the mid-coronal plane (MCP).
20
T-spine zygapophyseal joints are ______________ degrees from the mid-sagittal plane (MSP).
70
The tubercle of a rib articulates with the T-spine's ______________.
Transverse process
Fluoro grid ratios are usually ______________ than common x-ray grids.
Lower
The ______________ projection demonstrates the foramina ovale and the spinosum.
SMV
2024-2025- GRADED A+
Another term for blur is ______________?
Penumbra
Measurement of radiation that is used to quantify the absolute number of ionization events in
the air.
Exposure
The lead equivalent for protective glasses.
0.35 mm
The half-value layer (HVL) reduces the x-ray beam ______________ by half.
Intensity
Increasing x-ray beam energy, ______________ attenuation.
Decreases
The lead equivalent of lead-lined gloves.
0.25 mm
The median cubital vein is found in the ______________.
Antecubital fossa
Rapid neurological assessment is done using the ______________.
Glasgow scale
Oxygen flow rate through a nasal cannula is ______________ L/min.
1-6
Patients with COPD should NOT receive oxygen at a rate higher than ______________ L/min.
3
The average pulse rate for an infant is ______________ bpm.
100-150
Irreversible brain damage as a result of cerebral hypoxia occurs in ______________ minutes.
,4-6
The typical dosage of contrast media for a pediatric patient is ______________ mL/kg.
1.5-2
Formula for Power Loss.
P = I^2 x R
A photometer is used to evaluate ______________.
Display contrast
When calculating effective dose (EfD) and there are multiple tissue weighting factors,
______________ them together before multiplying.
Add
The Direct Square Law calculates ______________ when changing SID.
mAs
The Inverse Square Law calculates how intensity changes with ______________.
Distance
Other than intensity, the Direct Square Law can be used to calculate the relationship between
distance and ______________, as well as the relationship between distance and
______________.
Exposure, air KERMA
Increasing SID, ______________ spatial resolution.
Increases
Increasing the anode angle, ______________ spatial resolution.
Decreases
Decreasing kVp, ______________ image contrast.
Increases
When maintaining exposure, when kVp increases by 15%, the mAs must ______________.
Decrease by half
When maintaining exposure, when kVp decreases by 15%, the mAs must ______________.
,Double
Formula for Magnification Factor (MF) dealing with size.
MF = image size / object size
Entrance skin exposure (ESE) rates of general fluoro has a federal maximum of ______________
mGy/minute.
100
The ______________ phase of Acute Radiation Syndrome (ARS) is the body's initial response to
high-dose radiation.
Prodromal
The measurement of the rate at which electrons flow.
Amperage
In a CR system imaging plate, the conductor layer absorbs light, which ______________ spatial
resolution.
Increases
In a CR system, the plate reader is called the ______________.
Digitizer
In a CR system imaging plate, the phosphor layer is mostly composed of ______________.
Barium fluorohalides
An AP hip CR is midway between the ______________ and the ______________.
ASIS, pubic symphysis
The AP pelvis IR is centered midway between the ______________ and the ______________.
ASIS, pubic symphysis
Joint type: pubic symphysis.
Amphiarthrodial, cartilaginous
AP axial outlet "Taylor method" pelvis gives a bilateral view of the ______________ and the
______________ to assess for pelvic trauma.
Pubis, ischium
, The Clements-Nakayama hip IR is tilted ______________ degrees from ______________.
15, vertical
There are ______________ foramina on each C-spine vertebrae.
3
C5 has a ______________ spinous process.
Bifid
Joint type: C-spine zygapophyseal joints.
Diarthrodial, plane
Swimmers CR is angled ______________ degrees and ______________.
3-5, caudad
Swimmers CR is directed at ______________.
C7
The inferior angle of the scapula is at ______________.
T7
The lateral cervicothoracic projection is also called the ______________ view.
Swimmers
T-spine zygapophyseal joints are ______________ degrees from the mid-coronal plane (MCP).
20
T-spine zygapophyseal joints are ______________ degrees from the mid-sagittal plane (MSP).
70
The tubercle of a rib articulates with the T-spine's ______________.
Transverse process
Fluoro grid ratios are usually ______________ than common x-ray grids.
Lower
The ______________ projection demonstrates the foramina ovale and the spinosum.
SMV
