LMRT Mock Board Exam Prep Questions
and Correct Answers
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 - Answer-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 - Answer-B. Decrease in x-ray beam intensity
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 - Answer-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 - Answer-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 - Answer-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 - Answer-A. Three-phase, twelve pulse
,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 - Answer-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) - Answer-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 - Answer-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) - Answer-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 - Answer-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 - Answer-B. Is choking
Expectant mothers who are technologists should wear a fetal dosimeter at what location?
A. At the collar
B. At the thyroid
C. At the waist
and Correct Answers
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 - Answer-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 - Answer-B. Decrease in x-ray beam intensity
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 - Answer-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 - Answer-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 - Answer-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 - Answer-A. Three-phase, twelve pulse
,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 - Answer-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) - Answer-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 - Answer-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) - Answer-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 - Answer-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 - Answer-B. Is choking
Expectant mothers who are technologists should wear a fetal dosimeter at what location?
A. At the collar
B. At the thyroid
C. At the waist
