LMRT Core Review 2025/ 2026 – Limited Scope
Radiography Study Guide with Key Concepts, Practice
Questions & ARRT-Aligned Answers||Latest Exam!!!
which of the following technical factors adjustments should
be made when negative contrast media agents are used?
A. decrease kilovoltage peak (kVp)
B. increase kilovoltage peak (kVp)
C. increased milliampere seconds (mAs)
D. decreased milliampere seconds (mAs) - Answer-A.
decrease kilovoltage peak (kVp)
a patient is seen in the emergency department with a
possible fracture of the 4th finger which of the following
would be proper positioning for this patient?
A. lateral projection with the arm resting on the ulnar
surface
B. anteriorpostier (AP) projection with the finger curled as
much as possible
C. oblique projection with the arm resting on the radial
surface
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D. posteroanterior (PA) projection with the hand curled
around a sponge - Answer-A. lateral projection with the
arm resting on the ulnar surface
which of the following characteristics describes x-ray
beams used in diagnostic radiography
A. polyenergetic
B. heterogeneous
C. homogeneous
D. monoenergetic - Answer-A. polyenergetic & B.
heterogeneous
a histogram in digital radiography refers to:
A. the number of brightness levels that can be assigned to
a pixel
B. the size of the digital matrix
C. the frequency of recored exposure values
D. the range of exposure values that can be detected by
the receptor - Answer-C. the frequency of recored
exposure values
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during a series of a mobile chest x-rays in the emergency
room department , the technologist fails to adjust
kilovoltage peak (kVp) for a hypersthenic patient after their
previous asthenic patient . this is likely to result in which of
the following?
A. saturation
B. excessive image receptor exposure
C. ghosting
D. quantum mottle - Answer-D. quantum mottle
what type of joint is a costotransverse joint?
A. slightly moveable
B. immoveable
C. synovial gliding
D. synovial condyloid - Answer-C. synovial gliding
whats the purpose of primary beam restriction?
A. keep the amount of tissue irradiation to a minimum
B. improve image quality
C. reduce patient exposure