2025 LMRT MOCK BOARD EXAM PREP
QUESTIONS WITH VERIFIED ANSWERS
25/26
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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 c
m, what is the magnification factor?
A. 54
B. 1.5
C. 8
D. 0.67 - CORRECT ANSWER -B. 1.5
A Picture Archiving and Communication System (PACS) networkUis used to connect which three of the f
ollowing? (Select three)
I. Radiologist reading station
,II. Imaging Equipment
III. PACS servers
IV. Electronic Medical Record (EMR) - CORRECT 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 - CORRECT 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) - CORRECT 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 - CORRECT 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 - CORRECT 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
D. Outside the apron - CORRECT ANSWER -C. At the waist
Diabetes mellitus is a metabolic disease resulting from a chronic disorder of:
A. Fat metabolism
B. Bile production
C. Renin production
D. Blood glucose metabolism - CORRECT ANSWER -D. Blood glucose metabolism
If the generator you are using has 1000 milliampere (mA) capacity and your technique is 20 milliampe
re-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 - CORRECT ANSWER -A. 0.02 seconds
The main purpose of adding filtration to the x-ray tube is to:
QUESTIONS WITH VERIFIED ANSWERS
25/26
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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 c
m, what is the magnification factor?
A. 54
B. 1.5
C. 8
D. 0.67 - CORRECT ANSWER -B. 1.5
A Picture Archiving and Communication System (PACS) networkUis used to connect which three of the f
ollowing? (Select three)
I. Radiologist reading station
,II. Imaging Equipment
III. PACS servers
IV. Electronic Medical Record (EMR) - CORRECT 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 - CORRECT 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) - CORRECT 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 - CORRECT 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 - CORRECT 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
D. Outside the apron - CORRECT ANSWER -C. At the waist
Diabetes mellitus is a metabolic disease resulting from a chronic disorder of:
A. Fat metabolism
B. Bile production
C. Renin production
D. Blood glucose metabolism - CORRECT ANSWER -D. Blood glucose metabolism
If the generator you are using has 1000 milliampere (mA) capacity and your technique is 20 milliampe
re-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 - CORRECT ANSWER -A. 0.02 seconds
The main purpose of adding filtration to the x-ray tube is to:
