LMRT Mock Board Exam Prep
Which two of the following structures are associated with the calcaneus? (Select two)
I. Tuberosity
II. Adductor Tubercle
III. Sustentaculum tali
IV. Trochlea
V. Anterior Crest - ✔️✔️I and III
What is the minimum requirement for the evaluation of holes and cracks of shielding
accessories?
A. Annually
B. Bi-annually
C. Semi-annually
D. Monthly - ✔️✔️A. Annually
When performing an AP projection of the femur, what is the purpose of internal rotation
of the leg?
A. To compensate for anteversion of the proximal femur
B. It is more comfortable for the patient
C. To place the patella in the center of the distal femur
D. To better demonstrate the intercondylar fossa - ✔️✔️A. To compensate for
anteversion of the proximal femur
Which of the listed x-ray generator types has the least amount of voltage ripple?
A. Three-phase, twelve pulse
B. Single-phase, half-wave
C. Single-phase, full-wave
D. Three-phase, six-pulse - ✔️✔️A. Three-phase, twelve pulse
Stress images of the ankle may be ordered to evaluate what pathologic condition?
A. Inversion/eversion injury
B. Jones fracture
C. Lisfranc injury
D. Osteoarthritis - ✔️✔️A. Inversion/eversion injury
Increasing diagnostic filtration from 2.5 mm to 3.5 mm will have what effect on x-ray
beam intensity?
,A. Increase in x-ray beam intensity
B. Decrease in x-ray beam intensity
C. No change in x-ray beam intensity - ✔️✔️B. Decrease in x-ray beam intensity
An x-ray of the sternum uses a 72-inch source-to-image distance (SID) and a 10-inch by
12-inch image receptor. If the image of the sternum measures 9 cm and the actual
sternum measures 6 cm, what is the magnification factor?
A. 54
B. 1.5
C. 8
D. 0.67 - ✔️✔️B. 1.5
A Picture Archiving and Communication System (PACS) network is used to connect
which three of the following? (Select three)
I. Radiologist reading station
II. Imaging Equipment
III. PACS servers
IV. Electronic Medical Record (EMR) - ✔️✔️I, II and III
Federal law on radiation protection requires which two of the following? (Select two)
I. Signage for radiation areas
II. Maintaining personnel dose records
III. Publication of personnel dose records
IV. Dosimeters for all employees exposed to radiation - ✔️✔️I and II
Because of the binding energy of a K-shell tungsten atom, the minimum electron energy
necessary to create a characteristic photon is:
A. 80 kiloelectron volts (keV)
B. 73 kiloelectron volts (keV)
C. 69.5 kiloelectron volts (keV)
D. 55 kiloectron volts (keV) - ✔️✔️C. 69.5 kiloelectron volts (keV)
Walls that are considered to be secondary barriers should be:
A. 0.25 mm of lead thickness and be 1.5 meters (5 feet) tall
B. 0.4 mm of lead thickness and be 1.5 meters (5 feet) tall
C. 0.8 mm of lead thickness and be 2.1 meters (7 feet) tall
D. 1.6 mm of lead thickness and be 2.1 meters (7 feet) tall - ✔️✔️C. 0.8 mm of lead
thickness and be 2.1 meters (7 feet) tall
,The Heimlich maneuver (abdominal thrust) is used for someone who:
A. Has dyspnea while lying supine
B. Is choking
C. Is in cardiac arrest
D. Has a nosebleed - ✔️✔️B. Is choking
If the generator you are using has 1000 milliampere (mA) capacity and your technique
is 20 milliampere-seconds (mAs) at 74 kilovoltage peak (kVp), what is the shortest
exposure time possible?
A. 0.02 seconds
B. 0.2 seconds
C. 50 seconds
D. 5.0 seconds - ✔️✔️A. 0.02 seconds
The main purpose of adding filtration to the x-ray tube is to:
A. Decrease occupational dose
B. Increase spatial resolution
C. Decrease patient dose
D. Increase image contrast - ✔️✔️C. Decrease patient dose
An anteroposterior (AP) chest x-ray was obtained at a 40-inch source-to-image distance
(SID), 3.5 milliampere-seconds (mAs), 110 kilovoltage peak (kVp), and a 12:1 grid.
Which technical factor change would increase image receptor exposure?
A. Decreased kVp
B. Increased SID
C. Decreased mAs
D. Decreased grid ratio - ✔️✔️D. Decreased grid ratio
Radiation safety standards require that collimators be accurate within what percentage
of the source-to-image distance (SID)?
A. 2%
B. 10%
C. 5%
D. 25% - ✔️✔️A. 2%
Which of the following three signs/symptoms below that would indicate a patient is
going into shock? (Select three)
I. Increased urination
, II. Pallor
III. Coughing
IV. Increased heart rate
V. Diaphoresis - ✔️✔️II, IV and V
The natural curve of the thoracic spine is:
A. Toward the dominant side
B. Kyphotic
C. Lordotic
D. Scoliotic - ✔️✔️B. Kyphotic
What is the correct central ray entrance point for the lateral projection of the foot?
A. At the center of the longitudinal arch
B. At the subtalar joint
C. Entering the medial cuneiform, and through the base of the third metatarsal
D. Through the head of the first metatarsal - ✔️✔️C. Entering the medial cuneiform,
and through the base of the third metatarsal
A patient has the right to review his or her medical records and access information to
ensure everything is correct and complete under the document created by which
hospital affiliation?
A. American Medical Association (AMA)
B. The Joint Commission (TJC)
C. American Hospital Association (AHA)
D. American Registry of Radiologic Technologists (ARRT) - ✔️✔️C. American Hospital
Association (AHA)
Which chamber of the heart is responsible for pumping blood to the lungs?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle - ✔️✔️B. Right ventricle
The interspace between the first and second sacral vertebrae (S1/S2) is located at the
level of the:
A. Inferior margin of the rib cage
B. Umbilicus
C. Superior aspect of the iliac crest
D. Anterior superior iliac spine (ASIS) - ✔️✔️D. Anterior superior iliac spine (ASIS)
Which two of the following structures are associated with the calcaneus? (Select two)
I. Tuberosity
II. Adductor Tubercle
III. Sustentaculum tali
IV. Trochlea
V. Anterior Crest - ✔️✔️I and III
What is the minimum requirement for the evaluation of holes and cracks of shielding
accessories?
A. Annually
B. Bi-annually
C. Semi-annually
D. Monthly - ✔️✔️A. Annually
When performing an AP projection of the femur, what is the purpose of internal rotation
of the leg?
A. To compensate for anteversion of the proximal femur
B. It is more comfortable for the patient
C. To place the patella in the center of the distal femur
D. To better demonstrate the intercondylar fossa - ✔️✔️A. To compensate for
anteversion of the proximal femur
Which of the listed x-ray generator types has the least amount of voltage ripple?
A. Three-phase, twelve pulse
B. Single-phase, half-wave
C. Single-phase, full-wave
D. Three-phase, six-pulse - ✔️✔️A. Three-phase, twelve pulse
Stress images of the ankle may be ordered to evaluate what pathologic condition?
A. Inversion/eversion injury
B. Jones fracture
C. Lisfranc injury
D. Osteoarthritis - ✔️✔️A. Inversion/eversion injury
Increasing diagnostic filtration from 2.5 mm to 3.5 mm will have what effect on x-ray
beam intensity?
,A. Increase in x-ray beam intensity
B. Decrease in x-ray beam intensity
C. No change in x-ray beam intensity - ✔️✔️B. Decrease in x-ray beam intensity
An x-ray of the sternum uses a 72-inch source-to-image distance (SID) and a 10-inch by
12-inch image receptor. If the image of the sternum measures 9 cm and the actual
sternum measures 6 cm, what is the magnification factor?
A. 54
B. 1.5
C. 8
D. 0.67 - ✔️✔️B. 1.5
A Picture Archiving and Communication System (PACS) network is used to connect
which three of the following? (Select three)
I. Radiologist reading station
II. Imaging Equipment
III. PACS servers
IV. Electronic Medical Record (EMR) - ✔️✔️I, II and III
Federal law on radiation protection requires which two of the following? (Select two)
I. Signage for radiation areas
II. Maintaining personnel dose records
III. Publication of personnel dose records
IV. Dosimeters for all employees exposed to radiation - ✔️✔️I and II
Because of the binding energy of a K-shell tungsten atom, the minimum electron energy
necessary to create a characteristic photon is:
A. 80 kiloelectron volts (keV)
B. 73 kiloelectron volts (keV)
C. 69.5 kiloelectron volts (keV)
D. 55 kiloectron volts (keV) - ✔️✔️C. 69.5 kiloelectron volts (keV)
Walls that are considered to be secondary barriers should be:
A. 0.25 mm of lead thickness and be 1.5 meters (5 feet) tall
B. 0.4 mm of lead thickness and be 1.5 meters (5 feet) tall
C. 0.8 mm of lead thickness and be 2.1 meters (7 feet) tall
D. 1.6 mm of lead thickness and be 2.1 meters (7 feet) tall - ✔️✔️C. 0.8 mm of lead
thickness and be 2.1 meters (7 feet) tall
,The Heimlich maneuver (abdominal thrust) is used for someone who:
A. Has dyspnea while lying supine
B. Is choking
C. Is in cardiac arrest
D. Has a nosebleed - ✔️✔️B. Is choking
If the generator you are using has 1000 milliampere (mA) capacity and your technique
is 20 milliampere-seconds (mAs) at 74 kilovoltage peak (kVp), what is the shortest
exposure time possible?
A. 0.02 seconds
B. 0.2 seconds
C. 50 seconds
D. 5.0 seconds - ✔️✔️A. 0.02 seconds
The main purpose of adding filtration to the x-ray tube is to:
A. Decrease occupational dose
B. Increase spatial resolution
C. Decrease patient dose
D. Increase image contrast - ✔️✔️C. Decrease patient dose
An anteroposterior (AP) chest x-ray was obtained at a 40-inch source-to-image distance
(SID), 3.5 milliampere-seconds (mAs), 110 kilovoltage peak (kVp), and a 12:1 grid.
Which technical factor change would increase image receptor exposure?
A. Decreased kVp
B. Increased SID
C. Decreased mAs
D. Decreased grid ratio - ✔️✔️D. Decreased grid ratio
Radiation safety standards require that collimators be accurate within what percentage
of the source-to-image distance (SID)?
A. 2%
B. 10%
C. 5%
D. 25% - ✔️✔️A. 2%
Which of the following three signs/symptoms below that would indicate a patient is
going into shock? (Select three)
I. Increased urination
, II. Pallor
III. Coughing
IV. Increased heart rate
V. Diaphoresis - ✔️✔️II, IV and V
The natural curve of the thoracic spine is:
A. Toward the dominant side
B. Kyphotic
C. Lordotic
D. Scoliotic - ✔️✔️B. Kyphotic
What is the correct central ray entrance point for the lateral projection of the foot?
A. At the center of the longitudinal arch
B. At the subtalar joint
C. Entering the medial cuneiform, and through the base of the third metatarsal
D. Through the head of the first metatarsal - ✔️✔️C. Entering the medial cuneiform,
and through the base of the third metatarsal
A patient has the right to review his or her medical records and access information to
ensure everything is correct and complete under the document created by which
hospital affiliation?
A. American Medical Association (AMA)
B. The Joint Commission (TJC)
C. American Hospital Association (AHA)
D. American Registry of Radiologic Technologists (ARRT) - ✔️✔️C. American Hospital
Association (AHA)
Which chamber of the heart is responsible for pumping blood to the lungs?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle - ✔️✔️B. Right ventricle
The interspace between the first and second sacral vertebrae (S1/S2) is located at the
level of the:
A. Inferior margin of the rib cage
B. Umbilicus
C. Superior aspect of the iliac crest
D. Anterior superior iliac spine (ASIS) - ✔️✔️D. Anterior superior iliac spine (ASIS)
