LMRT Core Review 2025/2026 – Limited
Scope Radiography Study Guide with
Key Concepts, Practice Questions &
ARRT-Aligned Answers
restrict the XR beam to the clinical area of interest
Ans: As a professional radiographer, the practice of ALARA requires you to
Quiz prime
Ans: The factors that affect XR emission under the direct control of the radiographer are called_
factors
Quiz beam quality
Ans: Milliamperage-second (mAs) directly affects all of the following EXCEPT
Quiz mA & filtration
Ans: The factors that directly affect XR quantity are
,Quiz kVp & beam filtration
Ans: The factors that directly affect XR quality are
Quiz 6.3 x 10(18)
Ans: If 1 coulomb is equal to 6.3 x 10(18) electron charges, how many electrons flow from
cathode to anode 1 second
Quiz 6.3 x 10(15)
Ans: If 1 ampere equals a flow of 6.3 x 10(18) electrons per second, how many electrons flow
from cathode to anode in 1 milliampere?
Quiz increase 2-fold
Ans: As the mA doubles, the number of electrons flowing from cathode to anode
Quiz XR beam quantity
Ans: The product of tube current 7 exposure time is equal to
Quiz change the mAs from 15-21 mAs
Ans: In order to increase radiographic film density by 40% the radiographer would
, Quiz directly proportional
Ans: The relationship between mAs & exposure is
Quiz the reciprocity law
Ans: The reaction of a photographic film to light is equal to the product of the intensity of the
light and the duration of the light exposure.
Quiz cause the electrons to travel faster from cathode to anode
Ans: Increasing the kVp for an exposure will
Quiz greater energy
Ans: Increasing the energy of an incident electron will result in the production of an XR photon
with
Quiz radiographic film density
Ans: Kilovoltage is the primary controlling factor of
Quiz contrast
Scope Radiography Study Guide with
Key Concepts, Practice Questions &
ARRT-Aligned Answers
restrict the XR beam to the clinical area of interest
Ans: As a professional radiographer, the practice of ALARA requires you to
Quiz prime
Ans: The factors that affect XR emission under the direct control of the radiographer are called_
factors
Quiz beam quality
Ans: Milliamperage-second (mAs) directly affects all of the following EXCEPT
Quiz mA & filtration
Ans: The factors that directly affect XR quantity are
,Quiz kVp & beam filtration
Ans: The factors that directly affect XR quality are
Quiz 6.3 x 10(18)
Ans: If 1 coulomb is equal to 6.3 x 10(18) electron charges, how many electrons flow from
cathode to anode 1 second
Quiz 6.3 x 10(15)
Ans: If 1 ampere equals a flow of 6.3 x 10(18) electrons per second, how many electrons flow
from cathode to anode in 1 milliampere?
Quiz increase 2-fold
Ans: As the mA doubles, the number of electrons flowing from cathode to anode
Quiz XR beam quantity
Ans: The product of tube current 7 exposure time is equal to
Quiz change the mAs from 15-21 mAs
Ans: In order to increase radiographic film density by 40% the radiographer would
, Quiz directly proportional
Ans: The relationship between mAs & exposure is
Quiz the reciprocity law
Ans: The reaction of a photographic film to light is equal to the product of the intensity of the
light and the duration of the light exposure.
Quiz cause the electrons to travel faster from cathode to anode
Ans: Increasing the kVp for an exposure will
Quiz greater energy
Ans: Increasing the energy of an incident electron will result in the production of an XR photon
with
Quiz radiographic film density
Ans: Kilovoltage is the primary controlling factor of
Quiz contrast
