LMRT STATE REVIEW EXAM (ACTUAL 2024) WITH A+
GRADED VERIFIED ANSWERS
What is the National Council on Radiation Protection and Measurements (NCRP)
recommendation for the amount of total filtration?
A.) 0.5mm aluminum equivalent ( AL Equiv)
B.) 1.5mm AL Equiv
C.) 2.5mm Al Equiv
D.) 3.5mm Al Equiv - ANSWER_2.5mm Al Equiv
What are the three principal methods used to protect limited operators from
unnecessary radiation exposure?
A. Time, Distance, and Shielding
B.) Time, Distance, and Collimation
C.) Distance, Collimation, and Shielding
D.) Time, Collimation, and Filtration - ANSWER_Time, Distance, and Shielding
An increase in object-image receptor distance (OID) will result in:
A.) Increased magnification
B.) Increased image sharpness
C.) Loss of contrast
D.) Increased radiographic density - ANSWER_Increased magnification
Which surface of the hand should be in contact with the IR for the posteroanterior
(PA) projection?
A.) Lateral
B.) Medial
C.) Posterior (dorsal)
D.) Anterior (Palmar) – ANSWER Anterior (Palmar)
, LMRT STATE REVIEW EXAM (ACTUAL 2024) WITH A+
GRADED VERIFIED ANSWERS
What is the center point of the central ray for the PA projection of the hand?
A.) Third metacarpophalangeal joint
B.) Second metacarpophalangeal joint
C.) Third proximal interphalangeal joint
D.) Base of the third metacarpal – ANSWER Third metacarpophalangeal joint
Which surface of the hand is in contact with the IR for the lateral projection of the
fifth digit (pinky)?
A.) The medial surface
B.) The lateral surface
C.) The anterior(palmar) surface
D.) The posterior (dorsal) surface – ANSWER The medial surface
What is the position of the wrist for the PA oblique projection in lateral rotation?
A.) Hand and wrist flat with the anterior surface in contact with the IR.
B.) Fingers flexed with the anterior surface of the wrist in contact with the IR
C.) Coronal plane of the wrist at a 45-degree angle to the IR with the anteromedial
surface on the IR.
D.) Medial surface of the wrist on the IR with the coronal plane perpendicular to
the IR – ANSWER Coronal plane of the wrist at a 45-degree angle to the IR with
the anteromedial surface on the IR.
What is the proper patient position for the AP projection of the forearm?
A.) Elbow extended, wrist and elbow parallel to the IR , hand supinated
B.) Elbow extended, wrist and elbow parallel to the IR, hand pronated.
, LMRT STATE REVIEW EXAM (ACTUAL 2024) WITH A+
GRADED VERIFIED ANSWERS
C.) Elbow flexed, wrist and elbow perpendicular to the IR, hand in the lateral
position
D.) Elbow flexed, wrist and elbow perpendicular to the IR, hand pronated –
ANSWER Elbow extended, wrist and elbow parallelMotion of the patient, the
tube, or the IR during the exposure will result in decreased:
A.) Contrast
B.) Distortion
C.) Receptor exposure
D.) Spatial Resolution – ANSWER Spatial Resolution
What does quantum mottle (noise) look like on a radiographic image?
A.) Large light and dark spots
B.) Finely speckled or grainy areas
C.) Alternating light and dark lines
D.) Overall greyness – ANSWER Finely speckled or grainy areas
Quantum mottle with a digital imaging system is caused by:
A.) The kvp being set too low
B.) The mas being set too low
C.) The use of a low ratio grid
D.) The collimation being set too wide – ANSWER The mas being set too low
Which of the following will increase spatial resolution?
1. Increase in SID
2. Increase in OID
3. Decrease in focal spot size
, LMRT STATE REVIEW EXAM (ACTUAL 2024) WITH A+
GRADED VERIFIED ANSWERS
A.) 1 and 2 only
B.) 1 and 3 only
C.) 2 and 3 only
D.) 1, 2, and 3 - ANSWER_1 and 3 only
What is the appearance of a high signal-to-noise ratio (SNR) image?
A.) Highly detailed, with very little quantum mottle
B.) Very grainy and poorly detailed
C.) High contrast and very grainy
D.) Very low contrast with few image details seen – ANSWER Highly detailed,
with very little quantum mottle
What is the proper method for storing unopened boxes of x-ray film?
A.) Stacked flat with the edges of the boxes aligned
B.) Stacked flat with the edges of the boxes staggered
C.) Standing on edge
D.) X-ray film cannot be safely stored – ANSWER Standing on edge
Which of the following describe the action of the developer in an automatic film
processor?
A.) Removes the unexposed silver halide crystals from the film emulsion
B.) Removes the exposed silver halide crystals from the film emulsion
C.) Changes the exposed silver halide crystals into black, metallic silver
D.) Changes the unexposed silver halide crystals into black, metallic silver –
ANSWER Changes the exposed silver halide crystals into black, metallic silver
GRADED VERIFIED ANSWERS
What is the National Council on Radiation Protection and Measurements (NCRP)
recommendation for the amount of total filtration?
A.) 0.5mm aluminum equivalent ( AL Equiv)
B.) 1.5mm AL Equiv
C.) 2.5mm Al Equiv
D.) 3.5mm Al Equiv - ANSWER_2.5mm Al Equiv
What are the three principal methods used to protect limited operators from
unnecessary radiation exposure?
A. Time, Distance, and Shielding
B.) Time, Distance, and Collimation
C.) Distance, Collimation, and Shielding
D.) Time, Collimation, and Filtration - ANSWER_Time, Distance, and Shielding
An increase in object-image receptor distance (OID) will result in:
A.) Increased magnification
B.) Increased image sharpness
C.) Loss of contrast
D.) Increased radiographic density - ANSWER_Increased magnification
Which surface of the hand should be in contact with the IR for the posteroanterior
(PA) projection?
A.) Lateral
B.) Medial
C.) Posterior (dorsal)
D.) Anterior (Palmar) – ANSWER Anterior (Palmar)
, LMRT STATE REVIEW EXAM (ACTUAL 2024) WITH A+
GRADED VERIFIED ANSWERS
What is the center point of the central ray for the PA projection of the hand?
A.) Third metacarpophalangeal joint
B.) Second metacarpophalangeal joint
C.) Third proximal interphalangeal joint
D.) Base of the third metacarpal – ANSWER Third metacarpophalangeal joint
Which surface of the hand is in contact with the IR for the lateral projection of the
fifth digit (pinky)?
A.) The medial surface
B.) The lateral surface
C.) The anterior(palmar) surface
D.) The posterior (dorsal) surface – ANSWER The medial surface
What is the position of the wrist for the PA oblique projection in lateral rotation?
A.) Hand and wrist flat with the anterior surface in contact with the IR.
B.) Fingers flexed with the anterior surface of the wrist in contact with the IR
C.) Coronal plane of the wrist at a 45-degree angle to the IR with the anteromedial
surface on the IR.
D.) Medial surface of the wrist on the IR with the coronal plane perpendicular to
the IR – ANSWER Coronal plane of the wrist at a 45-degree angle to the IR with
the anteromedial surface on the IR.
What is the proper patient position for the AP projection of the forearm?
A.) Elbow extended, wrist and elbow parallel to the IR , hand supinated
B.) Elbow extended, wrist and elbow parallel to the IR, hand pronated.
, LMRT STATE REVIEW EXAM (ACTUAL 2024) WITH A+
GRADED VERIFIED ANSWERS
C.) Elbow flexed, wrist and elbow perpendicular to the IR, hand in the lateral
position
D.) Elbow flexed, wrist and elbow perpendicular to the IR, hand pronated –
ANSWER Elbow extended, wrist and elbow parallelMotion of the patient, the
tube, or the IR during the exposure will result in decreased:
A.) Contrast
B.) Distortion
C.) Receptor exposure
D.) Spatial Resolution – ANSWER Spatial Resolution
What does quantum mottle (noise) look like on a radiographic image?
A.) Large light and dark spots
B.) Finely speckled or grainy areas
C.) Alternating light and dark lines
D.) Overall greyness – ANSWER Finely speckled or grainy areas
Quantum mottle with a digital imaging system is caused by:
A.) The kvp being set too low
B.) The mas being set too low
C.) The use of a low ratio grid
D.) The collimation being set too wide – ANSWER The mas being set too low
Which of the following will increase spatial resolution?
1. Increase in SID
2. Increase in OID
3. Decrease in focal spot size
, LMRT STATE REVIEW EXAM (ACTUAL 2024) WITH A+
GRADED VERIFIED ANSWERS
A.) 1 and 2 only
B.) 1 and 3 only
C.) 2 and 3 only
D.) 1, 2, and 3 - ANSWER_1 and 3 only
What is the appearance of a high signal-to-noise ratio (SNR) image?
A.) Highly detailed, with very little quantum mottle
B.) Very grainy and poorly detailed
C.) High contrast and very grainy
D.) Very low contrast with few image details seen – ANSWER Highly detailed,
with very little quantum mottle
What is the proper method for storing unopened boxes of x-ray film?
A.) Stacked flat with the edges of the boxes aligned
B.) Stacked flat with the edges of the boxes staggered
C.) Standing on edge
D.) X-ray film cannot be safely stored – ANSWER Standing on edge
Which of the following describe the action of the developer in an automatic film
processor?
A.) Removes the unexposed silver halide crystals from the film emulsion
B.) Removes the exposed silver halide crystals from the film emulsion
C.) Changes the exposed silver halide crystals into black, metallic silver
D.) Changes the unexposed silver halide crystals into black, metallic silver –
ANSWER Changes the exposed silver halide crystals into black, metallic silver
